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annotate src/event/modules/ngx_epoll_module.c @ 6537:3ad1064a3aae

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Fixed an error log message about epoll_wait() timeout. The errno value is unset in case of epoll_wait() timeout.
author Valentin Bartenev <vbart@nginx.com>
date Mon, 16 May 2016 16:22:34 +0300
parents f7849bfb6d21
children a01e400dd4a1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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2 /*
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
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4 * Copyright (C) Nginx, Inc.
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5 */
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e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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8 #include <ngx_config.h>
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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9 #include <ngx_core.h>
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10 #include <ngx_event.h>
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12
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2ff194b74f1e nginx-0.1.9-RELEASE import
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13 #if (NGX_TEST_BUILD_EPOLL)
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e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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15 /* epoll declarations */
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17 #define EPOLLIN 0x001
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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18 #define EPOLLPRI 0x002
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19 #define EPOLLOUT 0x004
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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20 #define EPOLLRDNORM 0x040
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21 #define EPOLLRDBAND 0x080
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22 #define EPOLLWRNORM 0x100
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23 #define EPOLLWRBAND 0x200
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24 #define EPOLLMSG 0x400
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25 #define EPOLLERR 0x008
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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26 #define EPOLLHUP 0x010
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27
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28 #define EPOLLRDHUP 0x2000
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30 #define EPOLLET 0x80000000
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31 #define EPOLLONESHOT 0x40000000
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33 #define EPOLL_CTL_ADD 1
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34 #define EPOLL_CTL_DEL 2
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35 #define EPOLL_CTL_MOD 3
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37 typedef union epoll_data {
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38 void *ptr;
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39 int fd;
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40 uint32_t u32;
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41 uint64_t u64;
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42 } epoll_data_t;
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43
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44 struct epoll_event {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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45 uint32_t events;
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46 epoll_data_t data;
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47 };
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48
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49
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50 int epoll_create(int size);
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51
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52 int epoll_create(int size)
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53 {
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54 return -1;
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55 }
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56
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57
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58 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event);
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60 int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event)
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61 {
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62 return -1;
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63 }
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64
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65
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66 int epoll_wait(int epfd, struct epoll_event *events, int nevents, int timeout);
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67
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68 int epoll_wait(int epfd, struct epoll_event *events, int nevents, int timeout)
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69 {
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70 return -1;
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71 }
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72
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73 #if (NGX_HAVE_EVENTFD)
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74 #define SYS_eventfd 323
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75 #endif
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76
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77 #if (NGX_HAVE_FILE_AIO)
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78
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79 #define SYS_io_setup 245
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80 #define SYS_io_destroy 246
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81 #define SYS_io_getevents 247
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82
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83 typedef u_int aio_context_t;
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84
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85 struct io_event {
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86 uint64_t data; /* the data field from the iocb */
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87 uint64_t obj; /* what iocb this event came from */
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88 int64_t res; /* result code for this event */
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89 int64_t res2; /* secondary result */
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90 };
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91
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92
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93 #endif
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94 #endif /* NGX_TEST_BUILD_EPOLL */
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97 typedef struct {
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98 ngx_uint_t events;
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99 ngx_uint_t aio_requests;
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100 } ngx_epoll_conf_t;
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101
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102
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103 static ngx_int_t ngx_epoll_init(ngx_cycle_t *cycle, ngx_msec_t timer);
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104 #if (NGX_HAVE_EVENTFD)
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105 static ngx_int_t ngx_epoll_notify_init(ngx_log_t *log);
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106 static void ngx_epoll_notify_handler(ngx_event_t *ev);
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107 #endif
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108 static void ngx_epoll_done(ngx_cycle_t *cycle);
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109 static ngx_int_t ngx_epoll_add_event(ngx_event_t *ev, ngx_int_t event,
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110 ngx_uint_t flags);
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111 static ngx_int_t ngx_epoll_del_event(ngx_event_t *ev, ngx_int_t event,
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112 ngx_uint_t flags);
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113 static ngx_int_t ngx_epoll_add_connection(ngx_connection_t *c);
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114 static ngx_int_t ngx_epoll_del_connection(ngx_connection_t *c,
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115 ngx_uint_t flags);
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116 #if (NGX_HAVE_EVENTFD)
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117 static ngx_int_t ngx_epoll_notify(ngx_event_handler_pt handler);
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118 #endif
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119 static ngx_int_t ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
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120 ngx_uint_t flags);
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121
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122 #if (NGX_HAVE_FILE_AIO)
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123 static void ngx_epoll_eventfd_handler(ngx_event_t *ev);
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124 #endif
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diff changeset
125
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diff changeset
126 static ngx_int_t ngx_epoll_module_init(ngx_cycle_t *cycle);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 static void *ngx_epoll_create_conf(ngx_cycle_t *cycle);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
128 static char *ngx_epoll_init_conf(ngx_cycle_t *cycle, void *conf);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 static int ep = -1;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131 static struct epoll_event *event_list;
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
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parents: 663
diff changeset
132 static ngx_uint_t nevents;
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff changeset
133
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parents: 6018
diff changeset
134 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
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parents: 6018
diff changeset
135 static int notify_fd = -1;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
136 static ngx_event_t notify_event;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
137 static ngx_connection_t notify_conn;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
138 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
139
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diff changeset
140 #if (NGX_HAVE_FILE_AIO)
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parents: 3044
diff changeset
141
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parents: 3044
diff changeset
142 int ngx_eventfd = -1;
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parents: 3044
diff changeset
143 aio_context_t ngx_aio_ctx = 0;
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parents: 3044
diff changeset
144
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parents: 3044
diff changeset
145 static ngx_event_t ngx_eventfd_event;
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parents: 3044
diff changeset
146 static ngx_connection_t ngx_eventfd_conn;
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parents: 3044
diff changeset
147
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
148 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149
6536
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Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
150 #if (NGX_HAVE_EPOLLRDHUP)
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
151 ngx_uint_t ngx_use_epoll_rdhup;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
152 #endif
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
153
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154 static ngx_str_t epoll_name = ngx_string("epoll");
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 static ngx_command_t ngx_epoll_commands[] = {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
158 { ngx_string("epoll_events"),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
159 NGX_EVENT_CONF|NGX_CONF_TAKE1,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
160 ngx_conf_set_num_slot,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
161 0,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
162 offsetof(ngx_epoll_conf_t, events),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
163 NULL },
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
165 { ngx_string("worker_aio_requests"),
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
166 NGX_EVENT_CONF|NGX_CONF_TAKE1,
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
167 ngx_conf_set_num_slot,
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
168 0,
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
169 offsetof(ngx_epoll_conf_t, aio_requests),
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
170 NULL },
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
171
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
172 ngx_null_command
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 };
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
174
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
175
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 ngx_event_module_t ngx_epoll_module_ctx = {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
177 &epoll_name,
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
178 ngx_epoll_create_conf, /* create configuration */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179 ngx_epoll_init_conf, /* init configuration */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
180
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
181 {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
182 ngx_epoll_add_event, /* add an event */
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
183 ngx_epoll_del_event, /* delete an event */
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
184 ngx_epoll_add_event, /* enable an event */
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
185 ngx_epoll_del_event, /* disable an event */
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
186 ngx_epoll_add_connection, /* add an connection */
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
187 ngx_epoll_del_connection, /* delete an connection */
6019
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Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
188 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
189 ngx_epoll_notify, /* trigger a notify */
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
190 #else
6018
466bd63b63d1 Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents: 5821
diff changeset
191 NULL, /* trigger a notify */
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
192 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193 ngx_epoll_process_events, /* process the events */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 ngx_epoll_init, /* init the events */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
195 ngx_epoll_done, /* done the events */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
197 };
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
198
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
199 ngx_module_t ngx_epoll_module = {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
200 NGX_MODULE_V1,
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
201 &ngx_epoll_module_ctx, /* module context */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
202 ngx_epoll_commands, /* module directives */
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
203 NGX_EVENT_MODULE, /* module type */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
204 NULL, /* init master */
6536
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
205 ngx_epoll_module_init, /* init module */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
206 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
207 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
208 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
209 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
210 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
211 NGX_MODULE_V1_PADDING
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
212 };
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
213
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
214
3052
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parents: 3044
diff changeset
215 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
216
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
217 /*
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
218 * We call io_setup(), io_destroy() io_submit(), and io_getevents() directly
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
219 * as syscalls instead of libaio usage, because the library header file
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
220 * supports eventfd() since 0.3.107 version only.
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
221 */
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
222
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
223 static int
3052
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
224 io_setup(u_int nr_reqs, aio_context_t *ctx)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
225 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
226 return syscall(SYS_io_setup, nr_reqs, ctx);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
227 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
228
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
229
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
230 static int
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
231 io_destroy(aio_context_t ctx)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
232 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
233 return syscall(SYS_io_destroy, ctx);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
234 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
235
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
236
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
237 static int
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
238 io_getevents(aio_context_t ctx, long min_nr, long nr, struct io_event *events,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
239 struct timespec *tmo)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
240 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
241 return syscall(SYS_io_getevents, ctx, min_nr, nr, events, tmo);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
242 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
243
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
244
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
245 static void
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
246 ngx_epoll_aio_init(ngx_cycle_t *cycle, ngx_epoll_conf_t *epcf)
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
247 {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
248 int n;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
249 struct epoll_event ee;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
250
5707
31dd63dcb9ea Events: use eventfd() instead of syscall(SYS_eventfd) if possible.
Ruslan Ermilov <ru@nginx.com>
parents: 5372
diff changeset
251 #if (NGX_HAVE_SYS_EVENTFD_H)
31dd63dcb9ea Events: use eventfd() instead of syscall(SYS_eventfd) if possible.
Ruslan Ermilov <ru@nginx.com>
parents: 5372
diff changeset
252 ngx_eventfd = eventfd(0, 0);
31dd63dcb9ea Events: use eventfd() instead of syscall(SYS_eventfd) if possible.
Ruslan Ermilov <ru@nginx.com>
parents: 5372
diff changeset
253 #else
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
254 ngx_eventfd = syscall(SYS_eventfd, 0);
5707
31dd63dcb9ea Events: use eventfd() instead of syscall(SYS_eventfd) if possible.
Ruslan Ermilov <ru@nginx.com>
parents: 5372
diff changeset
255 #endif
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
256
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
257 if (ngx_eventfd == -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
258 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
259 "eventfd() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
260 ngx_file_aio = 0;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
261 return;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
262 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
263
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
264 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
265 "eventfd: %d", ngx_eventfd);
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
266
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
267 n = 1;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
268
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
269 if (ioctl(ngx_eventfd, FIONBIO, &n) == -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
270 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
271 "ioctl(eventfd, FIONBIO) failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
272 goto failed;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
273 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
274
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
275 if (io_setup(epcf->aio_requests, &ngx_aio_ctx) == -1) {
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
276 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
277 "io_setup() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
278 goto failed;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
279 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
280
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
281 ngx_eventfd_event.data = &ngx_eventfd_conn;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
282 ngx_eventfd_event.handler = ngx_epoll_eventfd_handler;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
283 ngx_eventfd_event.log = cycle->log;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
284 ngx_eventfd_event.active = 1;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
285 ngx_eventfd_conn.fd = ngx_eventfd;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
286 ngx_eventfd_conn.read = &ngx_eventfd_event;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
287 ngx_eventfd_conn.log = cycle->log;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
288
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
289 ee.events = EPOLLIN|EPOLLET;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
290 ee.data.ptr = &ngx_eventfd_conn;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
291
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
292 if (epoll_ctl(ep, EPOLL_CTL_ADD, ngx_eventfd, &ee) != -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
293 return;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
294 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
295
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
296 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
297 "epoll_ctl(EPOLL_CTL_ADD, eventfd) failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
298
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
299 if (io_destroy(ngx_aio_ctx) == -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
300 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
301 "io_destroy() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
302 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
303
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
304 failed:
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
305
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
306 if (close(ngx_eventfd) == -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
307 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
308 "eventfd close() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
309 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
310
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
311 ngx_eventfd = -1;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
312 ngx_aio_ctx = 0;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
313 ngx_file_aio = 0;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
314 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
315
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
316 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
317
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
318
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
319 static ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
320 ngx_epoll_init(ngx_cycle_t *cycle, ngx_msec_t timer)
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
321 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
322 ngx_epoll_conf_t *epcf;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
323
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
324 epcf = ngx_event_get_conf(cycle->conf_ctx, ngx_epoll_module);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
325
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
326 if (ep == -1) {
2062
90312b616162 prepare to allow various number of connections in child processes
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
327 ep = epoll_create(cycle->connection_n / 2);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
328
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
329 if (ep == -1) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
330 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
331 "epoll_create() failed");
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
332 return NGX_ERROR;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
333 }
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
334
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
335 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
336 if (ngx_epoll_notify_init(cycle->log) != NGX_OK) {
6144
d0a84ae2fb48 Events: made a failure to create a notification channel non-fatal.
Ruslan Ermilov <ru@nginx.com>
parents: 6061
diff changeset
337 ngx_epoll_module_ctx.actions.notify = NULL;
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
338 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
339 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
340
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
341 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
342
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
343 ngx_epoll_aio_init(cycle, epcf);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
344
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
345 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
346 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
347
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
348 if (nevents < epcf->events) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
349 if (event_list) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
350 ngx_free(event_list);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
351 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
352
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
353 event_list = ngx_alloc(sizeof(struct epoll_event) * epcf->events,
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
354 cycle->log);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
355 if (event_list == NULL) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
356 return NGX_ERROR;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
357 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
358 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
359
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
360 nevents = epcf->events;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
361
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
362 ngx_io = ngx_os_io;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
363
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
364 ngx_event_actions = ngx_epoll_module_ctx.actions;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
365
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
366 #if (NGX_HAVE_CLEAR_EVENT)
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
367 ngx_event_flags = NGX_USE_CLEAR_EVENT
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
368 #else
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
369 ngx_event_flags = NGX_USE_LEVEL_EVENT
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
370 #endif
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
371 |NGX_USE_GREEDY_EVENT
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
372 |NGX_USE_EPOLL_EVENT;
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
373
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
374 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
375 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
376
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
377
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
378 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
379
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
380 static ngx_int_t
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
381 ngx_epoll_notify_init(ngx_log_t *log)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
382 {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
383 struct epoll_event ee;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
384
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
385 #if (NGX_HAVE_SYS_EVENTFD_H)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
386 notify_fd = eventfd(0, 0);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
387 #else
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
388 notify_fd = syscall(SYS_eventfd, 0);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
389 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
390
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
391 if (notify_fd == -1) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
392 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "eventfd() failed");
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
393 return NGX_ERROR;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
394 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
395
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
396 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
397 "notify eventfd: %d", notify_fd);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
398
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
399 notify_event.handler = ngx_epoll_notify_handler;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
400 notify_event.log = log;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
401 notify_event.active = 1;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
402
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
403 notify_conn.fd = notify_fd;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
404 notify_conn.read = &notify_event;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
405 notify_conn.log = log;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
406
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
407 ee.events = EPOLLIN|EPOLLET;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
408 ee.data.ptr = &notify_conn;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
409
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
410 if (epoll_ctl(ep, EPOLL_CTL_ADD, notify_fd, &ee) == -1) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
411 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
412 "epoll_ctl(EPOLL_CTL_ADD, eventfd) failed");
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
413
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
414 if (close(notify_fd) == -1) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
415 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
416 "eventfd close() failed");
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
417 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
418
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
419 return NGX_ERROR;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
420 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
421
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
422 return NGX_OK;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
423 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
424
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
425
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
426 static void
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
427 ngx_epoll_notify_handler(ngx_event_t *ev)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
428 {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
429 ssize_t n;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
430 uint64_t count;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
431 ngx_err_t err;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
432 ngx_event_handler_pt handler;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
433
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
434 if (++ev->index == NGX_MAX_UINT32_VALUE) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
435 ev->index = 0;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
436
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
437 n = read(notify_fd, &count, sizeof(uint64_t));
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
438
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
439 err = ngx_errno;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
440
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
441 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
442 "read() eventfd %d: %z count:%uL", notify_fd, n, count);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
443
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
444 if ((size_t) n != sizeof(uint64_t)) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
445 ngx_log_error(NGX_LOG_ALERT, ev->log, err,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
446 "read() eventfd %d failed", notify_fd);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
447 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
448 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
449
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
450 handler = ev->data;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
451 handler(ev);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
452 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
453
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
454 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
455
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
456
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
457 static void
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
458 ngx_epoll_done(ngx_cycle_t *cycle)
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
459 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
460 if (close(ep) == -1) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
461 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
462 "epoll close() failed");
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
463 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
464
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
465 ep = -1;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
466
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
467 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
468
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
469 if (close(notify_fd) == -1) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
470 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
471 "eventfd close() failed");
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
472 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
473
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
474 notify_fd = -1;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
475
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
476 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
477
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
478 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
479
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
480 if (ngx_eventfd != -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
481
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
482 if (io_destroy(ngx_aio_ctx) == -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
483 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
484 "io_destroy() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
485 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
486
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
487 if (close(ngx_eventfd) == -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
488 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
489 "eventfd close() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
490 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
491
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
492 ngx_eventfd = -1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
493 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
494
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
495 ngx_aio_ctx = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
496
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
497 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
498
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
499 ngx_free(event_list);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
500
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
501 event_list = NULL;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
502 nevents = 0;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
503 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
504
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
505
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
506 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
507 ngx_epoll_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
508 {
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
509 int op;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
510 uint32_t events, prev;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
511 ngx_event_t *e;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
512 ngx_connection_t *c;
258
733dffa1fe97 nginx-0.0.2-2004-02-11-10:19:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
513 struct epoll_event ee;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
514
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
515 c = ev->data;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
516
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
517 events = (uint32_t) event;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
518
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
519 if (event == NGX_READ_EVENT) {
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
520 e = c->write;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
521 prev = EPOLLOUT;
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
522 #if (NGX_READ_EVENT != EPOLLIN|EPOLLRDHUP)
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
523 events = EPOLLIN|EPOLLRDHUP;
257
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 256
diff changeset
524 #endif
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 256
diff changeset
525
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
526 } else {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
527 e = c->read;
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
528 prev = EPOLLIN|EPOLLRDHUP;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
529 #if (NGX_WRITE_EVENT != EPOLLOUT)
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
530 events = EPOLLOUT;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
531 #endif
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
532 }
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
533
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
534 if (e->active) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
535 op = EPOLL_CTL_MOD;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
536 events |= prev;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
537
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
538 } else {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
539 op = EPOLL_CTL_ADD;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
540 }
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
541
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
542 ee.events = events | (uint32_t) flags;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
543 ee.data.ptr = (void *) ((uintptr_t) c | ev->instance);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
544
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
545 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
546 "epoll add event: fd:%d op:%d ev:%08XD",
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
547 c->fd, op, ee.events);
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
548
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
549 if (epoll_ctl(ep, op, c->fd, &ee) == -1) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
550 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
551 "epoll_ctl(%d, %d) failed", op, c->fd);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
552 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
553 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
554
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
555 ev->active = 1;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
556 #if 0
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
557 ev->oneshot = (flags & NGX_ONESHOT_EVENT) ? 1 : 0;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
558 #endif
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
559
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
560 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
561 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
562
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
563
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
564 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
565 ngx_epoll_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
566 {
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
567 int op;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
568 uint32_t prev;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
569 ngx_event_t *e;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
570 ngx_connection_t *c;
258
733dffa1fe97 nginx-0.0.2-2004-02-11-10:19:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 257
diff changeset
571 struct epoll_event ee;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
572
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
573 /*
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
574 * when the file descriptor is closed, the epoll automatically deletes
4572
67653855682e Fixed spelling in multiline C comments.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
575 * it from its queue, so we do not need to delete explicitly the event
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
576 * before the closing the file descriptor
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
577 */
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
578
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
579 if (flags & NGX_CLOSE_EVENT) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
580 ev->active = 0;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
581 return NGX_OK;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
582 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
583
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
584 c = ev->data;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
585
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
586 if (event == NGX_READ_EVENT) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
587 e = c->write;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
588 prev = EPOLLOUT;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
589
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
590 } else {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
591 e = c->read;
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
592 prev = EPOLLIN|EPOLLRDHUP;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
593 }
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
594
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
595 if (e->active) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
596 op = EPOLL_CTL_MOD;
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
597 ee.events = prev | (uint32_t) flags;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
598 ee.data.ptr = (void *) ((uintptr_t) c | ev->instance);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
599
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
600 } else {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
601 op = EPOLL_CTL_DEL;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
602 ee.events = 0;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
603 ee.data.ptr = NULL;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
604 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
605
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
606 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
607 "epoll del event: fd:%d op:%d ev:%08XD",
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
608 c->fd, op, ee.events);
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
609
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
610 if (epoll_ctl(ep, op, c->fd, &ee) == -1) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
611 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
612 "epoll_ctl(%d, %d) failed", op, c->fd);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
613 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
614 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
615
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
616 ev->active = 0;
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
617
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
618 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
619 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
620
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
621
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
622 static ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
623 ngx_epoll_add_connection(ngx_connection_t *c)
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
624 {
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
625 struct epoll_event ee;
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
626
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
627 ee.events = EPOLLIN|EPOLLOUT|EPOLLET|EPOLLRDHUP;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
628 ee.data.ptr = (void *) ((uintptr_t) c | c->read->instance);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
629
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
630 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
631 "epoll add connection: fd:%d ev:%08XD", c->fd, ee.events);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
632
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
633 if (epoll_ctl(ep, EPOLL_CTL_ADD, c->fd, &ee) == -1) {
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
634 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
635 "epoll_ctl(EPOLL_CTL_ADD, %d) failed", c->fd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
636 return NGX_ERROR;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
637 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
638
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
639 c->read->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
640 c->write->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
641
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
642 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
643 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
644
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
645
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
646 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
647 ngx_epoll_del_connection(ngx_connection_t *c, ngx_uint_t flags)
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
648 {
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
649 int op;
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
650 struct epoll_event ee;
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
651
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
652 /*
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
653 * when the file descriptor is closed the epoll automatically deletes
4572
67653855682e Fixed spelling in multiline C comments.
Ruslan Ermilov <ru@nginx.com>
parents: 4412
diff changeset
654 * it from its queue so we do not need to delete explicitly the event
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
655 * before the closing the file descriptor
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
656 */
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
657
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
658 if (flags & NGX_CLOSE_EVENT) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
659 c->read->active = 0;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
660 c->write->active = 0;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
661 return NGX_OK;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
662 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
663
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
664 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
665 "epoll del connection: fd:%d", c->fd);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
666
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
667 op = EPOLL_CTL_DEL;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
668 ee.events = 0;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
669 ee.data.ptr = NULL;
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
670
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
671 if (epoll_ctl(ep, op, c->fd, &ee) == -1) {
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
672 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
673 "epoll_ctl(%d, %d) failed", op, c->fd);
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
674 return NGX_ERROR;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
675 }
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
676
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
677 c->read->active = 0;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
678 c->write->active = 0;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
679
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
680 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
681 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
682
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
683
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
684 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
685
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
686 static ngx_int_t
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
687 ngx_epoll_notify(ngx_event_handler_pt handler)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
688 {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
689 static uint64_t inc = 1;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
690
6061
953ef81705e1 Events: fixed possible crash on start or reload.
Valentin Bartenev <vbart@nginx.com>
parents: 6030
diff changeset
691 notify_event.data = handler;
953ef81705e1 Events: fixed possible crash on start or reload.
Valentin Bartenev <vbart@nginx.com>
parents: 6030
diff changeset
692
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
693 if ((size_t) write(notify_fd, &inc, sizeof(uint64_t)) != sizeof(uint64_t)) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
694 ngx_log_error(NGX_LOG_ALERT, notify_event.log, ngx_errno,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
695 "write() to eventfd %d failed", notify_fd);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
696 return NGX_ERROR;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
697 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
698
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
699 return NGX_OK;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
700 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
701
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
702 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
703
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
704
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
705 static ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
706 ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags)
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
707 {
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
708 int events;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
709 uint32_t revents;
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
710 ngx_int_t instance, i;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
711 ngx_uint_t level;
309
2e899477243a nginx-0.0.3-2004-04-09-20:03:04 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
712 ngx_err_t err;
5821
3f5f0ab59b35 Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents: 5820
diff changeset
713 ngx_event_t *rev, *wev;
3f5f0ab59b35 Events: processing of posted events changed from LIFO to FIFO.
Valentin Bartenev <vbart@nginx.com>
parents: 5820
diff changeset
714 ngx_queue_t *queue;
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
715 ngx_connection_t *c;
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
716
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
717 /* NGX_TIMER_INFINITE == INFTIM */
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
718
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 259
diff changeset
719 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
720 "epoll timer: %M", timer);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
721
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
722 events = epoll_wait(ep, event_list, (int) nevents, timer);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
723
3043
a66d6dfd53f1 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
724 err = (events == -1) ? ngx_errno : 0;
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
725
3473
0299cf5856fc do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
726 if (flags & NGX_UPDATE_TIME || ngx_event_timer_alarm) {
3475
ab353d7dc182 *) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents: 3474
diff changeset
727 ngx_time_update();
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
728 }
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
729
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
730 if (err) {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
731 if (err == NGX_EINTR) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
732
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
733 if (ngx_event_timer_alarm) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
734 ngx_event_timer_alarm = 0;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
735 return NGX_OK;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
736 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
737
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
738 level = NGX_LOG_INFO;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
739
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
740 } else {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
741 level = NGX_LOG_ALERT;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
742 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
743
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
744 ngx_log_error(level, cycle->log, err, "epoll_wait() failed");
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
745 return NGX_ERROR;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
746 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
747
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
748 if (events == 0) {
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
749 if (timer != NGX_TIMER_INFINITE) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
750 return NGX_OK;
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
751 }
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
752
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
753 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
754 "epoll_wait() returned no events without timeout");
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
755 return NGX_ERROR;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
756 }
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
757
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
758 for (i = 0; i < events; i++) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
759 c = event_list[i].data.ptr;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
760
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
761 instance = (uintptr_t) c & 1;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
762 c = (ngx_connection_t *) ((uintptr_t) c & (uintptr_t) ~1);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
763
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
764 rev = c->read;
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 259
diff changeset
765
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
766 if (c->fd == -1 || rev->instance != instance) {
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
767
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
768 /*
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
769 * the stale event from a file descriptor
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
770 * that was just closed in this iteration
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
771 */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
772
312
f5431a4bbc7d nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 311
diff changeset
773 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
774 "epoll: stale event %p", c);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
775 continue;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
776 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
777
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
778 revents = event_list[i].events;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
779
3902
159b58f9c0bd fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
780 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
781 "epoll: fd:%d ev:%04XD d:%p",
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
782 c->fd, revents, event_list[i].data.ptr);
311
11ff50a35d6d nginx-0.0.3-2004-04-12-20:38:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 309
diff changeset
783
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
784 if (revents & (EPOLLERR|EPOLLHUP)) {
3902
159b58f9c0bd fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
785 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
786 "epoll_wait() error on fd:%d ev:%04XD",
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
787 c->fd, revents);
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
788 }
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
789
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
790 #if 0
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
791 if (revents & ~(EPOLLIN|EPOLLOUT|EPOLLERR|EPOLLHUP)) {
3902
159b58f9c0bd fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
792 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
793 "strange epoll_wait() events fd:%d ev:%04XD",
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
794 c->fd, revents);
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
795 }
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
796 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
797
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
798 if ((revents & (EPOLLERR|EPOLLHUP))
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
799 && (revents & (EPOLLIN|EPOLLOUT)) == 0)
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
800 {
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
801 /*
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
802 * if the error events were returned without EPOLLIN or EPOLLOUT,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
803 * then add these flags to handle the events at least in one
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
804 * active handler
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
805 */
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
806
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
807 revents |= EPOLLIN|EPOLLOUT;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
808 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
809
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
810 if ((revents & EPOLLIN) && rev->active) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
811
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
812 #if (NGX_HAVE_EPOLLRDHUP)
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
813 if (revents & EPOLLRDHUP) {
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
814 rev->pending_eof = 1;
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
815 }
6536
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
816
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
817 rev->available = 1;
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
818 #endif
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
819
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
820 rev->ready = 1;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
821
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
822 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
823 queue = rev->accept ? &ngx_posted_accept_events
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
824 : &ngx_posted_events;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
825
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
826 ngx_post_event(rev, queue);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
827
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
828 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
829 rev->handler(rev);
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
830 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
831 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
832
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
833 wev = c->write;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
834
4319
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
835 if ((revents & EPOLLOUT) && wev->active) {
4305
f68047884e83 Protection from stale write events in epoll.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4134
diff changeset
836
4319
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
837 if (c->fd == -1 || wev->instance != instance) {
4305
f68047884e83 Protection from stale write events in epoll.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4134
diff changeset
838
4319
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
839 /*
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
840 * the stale event from a file descriptor
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
841 * that was just closed in this iteration
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
842 */
4305
f68047884e83 Protection from stale write events in epoll.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4134
diff changeset
843
4319
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
844 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
845 "epoll: stale event %p", c);
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
846 continue;
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
847 }
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
848
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
849 wev->ready = 1;
6440
248aa2757332 Fixed timeouts with threaded sendfile() and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6144
diff changeset
850 #if (NGX_THREADS)
248aa2757332 Fixed timeouts with threaded sendfile() and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6144
diff changeset
851 wev->complete = 1;
248aa2757332 Fixed timeouts with threaded sendfile() and subrequests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6144
diff changeset
852 #endif
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
853
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
854 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
855 ngx_post_event(wev, &ngx_posted_events);
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
856
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
857 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
858 wev->handler(wev);
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
859 }
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
860 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
861 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
862
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
863 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
864 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
865
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
866
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
867 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
868
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
869 static void
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
870 ngx_epoll_eventfd_handler(ngx_event_t *ev)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
871 {
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
872 int n, events;
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
873 long i;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
874 uint64_t ready;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
875 ngx_err_t err;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
876 ngx_event_t *e;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
877 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
878 struct io_event event[64];
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
879 struct timespec ts;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
880
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
881 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, 0, "eventfd handler");
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
882
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
883 n = read(ngx_eventfd, &ready, 8);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
884
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
885 err = ngx_errno;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
886
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
887 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0, "eventfd: %d", n);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
888
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
889 if (n != 8) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
890 if (n == -1) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
891 if (err == NGX_EAGAIN) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
892 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
893 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
894
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
895 ngx_log_error(NGX_LOG_ALERT, ev->log, err, "read(eventfd) failed");
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
896 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
897 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
898
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
899 ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
900 "read(eventfd) returned only %d bytes", n);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
901 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
902 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
903
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
904 ts.tv_sec = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
905 ts.tv_nsec = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
906
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
907 while (ready) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
908
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
909 events = io_getevents(ngx_aio_ctx, 1, 64, event, &ts);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
910
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
911 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
6480
f01ab2dbcfdc Fixed logging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6440
diff changeset
912 "io_getevents: %d", events);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
913
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
914 if (events > 0) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
915 ready -= events;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
916
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
917 for (i = 0; i < events; i++) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
918
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
919 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, ev->log, 0,
6509
7640d6c213e1 Removed redundant "u" format specifier.
Ruslan Ermilov <ru@nginx.com>
parents: 6480
diff changeset
920 "io_event: %XL %XL %L %L",
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
921 event[i].data, event[i].obj,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
922 event[i].res, event[i].res2);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
923
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
924 e = (ngx_event_t *) (uintptr_t) event[i].data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
925
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
926 e->complete = 1;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
927 e->active = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
928 e->ready = 1;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
929
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
930 aio = e->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
931 aio->res = event[i].res;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
932
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
933 ngx_post_event(e, &ngx_posted_events);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
934 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
935
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
936 continue;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
937 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
938
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
939 if (events == 0) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
940 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
941 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
942
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
943 /* events == -1 */
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
944 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
945 "io_getevents() failed");
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
946 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
947 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
948 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
949
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
950 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
951
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
952
6536
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
953 static ngx_int_t
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
954 ngx_epoll_module_init(ngx_cycle_t *cycle)
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
955 {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
956 #if (NGX_HAVE_EPOLLRDHUP)
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
957 int epfd, s[2], events;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
958 struct epoll_event ee;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
959
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
960 epfd = epoll_create(1);
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
961
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
962 if (epfd == -1) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
963 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
964 "epoll_create() failed");
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
965 return NGX_ERROR;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
966 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
967
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
968 if (socketpair(AF_UNIX, SOCK_STREAM, 0, s) == -1) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
969 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
970 "socketpair() failed");
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
971 return NGX_ERROR;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
972 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
973
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
974 ee.events = EPOLLET|EPOLLIN|EPOLLRDHUP;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
975
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
976 if (epoll_ctl(epfd, EPOLL_CTL_ADD, s[0], &ee) == -1) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
977 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
978 "epoll_ctl() failed");
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
979 return NGX_ERROR;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
980 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
981
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
982 if (close(s[1]) == -1) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
983 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
984 "close() failed");
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
985 return NGX_ERROR;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
986 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
987
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
988 events = epoll_wait(epfd, &ee, 1, 5000);
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
989
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
990 if (events == -1) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
991 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
992 "epoll_wait() failed");
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
993 return NGX_ERROR;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
994 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
995
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
996 (void) close(s[0]);
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
997 (void) close(epfd);
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
998
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
999 if (events) {
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1000 ngx_use_epoll_rdhup = ee.events & EPOLLRDHUP;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1001
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1002 } else {
6537
3ad1064a3aae Fixed an error log message about epoll_wait() timeout.
Valentin Bartenev <vbart@nginx.com>
parents: 6536
diff changeset
1003 ngx_log_error(NGX_LOG_ALERT, cycle->log, NGX_ETIMEDOUT,
3ad1064a3aae Fixed an error log message about epoll_wait() timeout.
Valentin Bartenev <vbart@nginx.com>
parents: 6536
diff changeset
1004 "epoll_wait() timed out");
6536
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1005 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1006
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1007 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1008 "testing the EPOLLRDHUP flag: %s",
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1009 ngx_use_epoll_rdhup ? "success" : "fail");
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1010 #endif
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1011
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1012 return NGX_OK;
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1013 }
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1014
f7849bfb6d21 Improved EPOLLRDHUP handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6509
diff changeset
1015
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
1016 static void *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
1017 ngx_epoll_create_conf(ngx_cycle_t *cycle)
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1018 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1019 ngx_epoll_conf_t *epcf;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1020
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
1021 epcf = ngx_palloc(cycle->pool, sizeof(ngx_epoll_conf_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
1022 if (epcf == NULL) {
2912
c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents: 2062
diff changeset
1023 return NULL;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
1024 }
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1025
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1026 epcf->events = NGX_CONF_UNSET;
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
1027 epcf->aio_requests = NGX_CONF_UNSET;
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1028
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1029 return epcf;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1030 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1031
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1032
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
1033 static char *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
1034 ngx_epoll_init_conf(ngx_cycle_t *cycle, void *conf)
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1035 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1036 ngx_epoll_conf_t *epcf = conf;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1037
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
1038 ngx_conf_init_uint_value(epcf->events, 512);
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
1039 ngx_conf_init_uint_value(epcf->aio_requests, 32);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1040
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1041 return NGX_CONF_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
1042 }