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annotate src/event/modules/ngx_epoll_module.c @ 6061:953ef81705e1

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Events: fixed possible crash on start or reload. The main thread could wake up and start processing the notify event before the handler was set.
author Valentin Bartenev <vbart@nginx.com>
date Fri, 27 Mar 2015 21:19:20 +0300
parents 4652f8f26b12
children d0a84ae2fb48
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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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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6
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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7
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>
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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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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14
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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15 /* epoll declarations */
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16
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008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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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
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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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
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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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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36
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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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125
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126 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
127 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
128
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 static int ep = -1;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
130 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
131 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
132
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diff changeset
133 #if (NGX_HAVE_EVENTFD)
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parents: 6018
diff changeset
134 static int notify_fd = -1;
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Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
135 static ngx_event_t notify_event;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
136 static ngx_connection_t notify_conn;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
137 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
138
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diff changeset
139 #if (NGX_HAVE_FILE_AIO)
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diff changeset
140
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diff changeset
141 int ngx_eventfd = -1;
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diff changeset
142 aio_context_t ngx_aio_ctx = 0;
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diff changeset
143
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diff changeset
144 static ngx_event_t ngx_eventfd_event;
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diff changeset
145 static ngx_connection_t ngx_eventfd_conn;
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parents: 3044
diff changeset
146
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
147 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 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
150
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 static ngx_command_t ngx_epoll_commands[] = {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
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parents:
diff changeset
152
499
64d9afb209da nginx-0.1.24-RELEASE import
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parents: 483
diff changeset
153 { ngx_string("epoll_events"),
64d9afb209da nginx-0.1.24-RELEASE import
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parents: 483
diff changeset
154 NGX_EVENT_CONF|NGX_CONF_TAKE1,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
155 ngx_conf_set_num_slot,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
156 0,
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
157 offsetof(ngx_epoll_conf_t, events),
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
158 NULL },
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
160 { ngx_string("worker_aio_requests"),
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
161 NGX_EVENT_CONF|NGX_CONF_TAKE1,
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
162 ngx_conf_set_num_slot,
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
163 0,
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
164 offsetof(ngx_epoll_conf_t, aio_requests),
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
165 NULL },
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
166
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
167 ngx_null_command
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
168 };
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
169
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 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
172 &epoll_name,
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
173 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
174 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
175
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
176 {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
177 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
178 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
179 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
180 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
181 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
182 ngx_epoll_del_connection, /* delete an connection */
6019
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Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
183 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
184 ngx_epoll_notify, /* trigger a notify */
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
185 #else
6018
466bd63b63d1 Thread pools implementation.
Valentin Bartenev <vbart@nginx.com>
parents: 5821
diff changeset
186 NULL, /* trigger a notify */
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
187 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 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
189 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
190 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
191 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 };
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
193
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
194 ngx_module_t ngx_epoll_module = {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
195 NGX_MODULE_V1,
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
196 &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
197 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
198 NGX_EVENT_MODULE, /* module type */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
199 NULL, /* init master */
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
200 NULL, /* init module */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
201 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
202 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
203 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
204 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
205 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
206 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
207 };
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
208
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
209
3052
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diff changeset
210 #if (NGX_HAVE_FILE_AIO)
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diff changeset
211
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
212 /*
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diff changeset
213 * We call io_setup(), io_destroy() io_submit(), and io_getevents() directly
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parents: 3044
diff changeset
214 * as syscalls instead of libaio usage, because the library header file
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
215 * supports eventfd() since 0.3.107 version only.
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
216 */
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
217
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
218 static int
3052
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diff changeset
219 io_setup(u_int nr_reqs, aio_context_t *ctx)
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
220 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
221 return syscall(SYS_io_setup, nr_reqs, ctx);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
222 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
223
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
224
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
225 static int
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
226 io_destroy(aio_context_t ctx)
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
227 {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
228 return syscall(SYS_io_destroy, ctx);
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
229 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
230
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
231
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
232 static int
3052
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parents: 3044
diff changeset
233 io_getevents(aio_context_t ctx, long min_nr, long nr, struct io_event *events,
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
234 struct timespec *tmo)
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parents: 3044
diff changeset
235 {
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
236 return syscall(SYS_io_getevents, ctx, min_nr, nr, events, tmo);
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
237 }
6060225e9261 FreeBSD and Linux AIO support
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parents: 3044
diff changeset
238
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
239
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
240 static void
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
241 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
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parents: 4129
diff changeset
242 {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
243 int n;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
244 struct epoll_event ee;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
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parents: 4129
diff changeset
245
5707
31dd63dcb9ea Events: use eventfd() instead of syscall(SYS_eventfd) if possible.
Ruslan Ermilov <ru@nginx.com>
parents: 5372
diff changeset
246 #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
247 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
248 #else
4130
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parents: 4129
diff changeset
249 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
250 #endif
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
251
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
252 if (ngx_eventfd == -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
253 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
254 "eventfd() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
255 ngx_file_aio = 0;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
256 return;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
257 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
258
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
259 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
260 "eventfd: %d", ngx_eventfd);
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
261
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
262 n = 1;
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 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
265 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
266 "ioctl(eventfd, FIONBIO) failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
267 goto failed;
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
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
270 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
271 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
272 "io_setup() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
273 goto failed;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
274 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
275
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
276 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
277 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
278 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
279 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
280 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
281 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
282 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
283
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
284 ee.events = EPOLLIN|EPOLLET;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
285 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
286
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
287 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
288 return;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
289 }
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
290
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
291 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
292 "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
293
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
294 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
295 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
296 "io_destroy() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
297 }
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 failed:
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
300
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
301 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
302 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
303 "eventfd close() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
304 }
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 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_aio_ctx = 0;
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
308 ngx_file_aio = 0;
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
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
311 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
312
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
313
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
314 static ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
315 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
316 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
317 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
318
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
319 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
320
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
321 if (ep == -1) {
2062
90312b616162 prepare to allow various number of connections in child processes
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
322 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
323
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
324 if (ep == -1) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
325 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
326 "epoll_create() failed");
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
327 return NGX_ERROR;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
328 }
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
329
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
330 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
331 if (ngx_epoll_notify_init(cycle->log) != NGX_OK) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
332 return NGX_ERROR;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
333 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
334 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
335
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
336 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
337
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
338 ngx_epoll_aio_init(cycle, epcf);
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
339
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
340 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
341 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
342
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
343 if (nevents < epcf->events) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
344 if (event_list) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
345 ngx_free(event_list);
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 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
349 cycle->log);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
350 if (event_list == NULL) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
351 return NGX_ERROR;
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 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
354
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
355 nevents = epcf->events;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
356
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
357 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
358
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
359 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
360
469
2ff194b74f1e nginx-0.1.9-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 461
diff changeset
361 #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
362 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
363 #else
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
364 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
365 #endif
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
366 |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
367 |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
368
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
369 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
370 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
371
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
372
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
373 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
374
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
375 static ngx_int_t
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
376 ngx_epoll_notify_init(ngx_log_t *log)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
377 {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
378 struct epoll_event ee;
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 #if (NGX_HAVE_SYS_EVENTFD_H)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
381 notify_fd = eventfd(0, 0);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
382 #else
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
383 notify_fd = syscall(SYS_eventfd, 0);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
384 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
385
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
386 if (notify_fd == -1) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
387 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
388 return NGX_ERROR;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
389 }
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 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
392 "notify eventfd: %d", notify_fd);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
393
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
394 notify_event.handler = ngx_epoll_notify_handler;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
395 notify_event.log = log;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
396 notify_event.active = 1;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
397
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
398 notify_conn.fd = notify_fd;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
399 notify_conn.read = &notify_event;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
400 notify_conn.log = log;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
401
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
402 ee.events = EPOLLIN|EPOLLET;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
403 ee.data.ptr = &notify_conn;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
404
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
405 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
406 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
407 "epoll_ctl(EPOLL_CTL_ADD, eventfd) failed");
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
408
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
409 if (close(notify_fd) == -1) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
410 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
411 "eventfd close() failed");
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
412 }
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 return NGX_ERROR;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
415 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
416
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
417 return NGX_OK;
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
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 static void
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
422 ngx_epoll_notify_handler(ngx_event_t *ev)
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 ssize_t n;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
425 uint64_t count;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
426 ngx_err_t err;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
427 ngx_event_handler_pt handler;
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 if (++ev->index == NGX_MAX_UINT32_VALUE) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
430 ev->index = 0;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
431
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
432 n = read(notify_fd, &count, sizeof(uint64_t));
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 err = ngx_errno;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
435
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
436 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
437 "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
438
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
439 if ((size_t) n != sizeof(uint64_t)) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
440 ngx_log_error(NGX_LOG_ALERT, ev->log, err,
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
441 "read() eventfd %d failed", notify_fd);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
442 }
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
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
445 handler = ev->data;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
446 handler(ev);
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 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
450
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
451
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
452 static void
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
453 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
454 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
455 if (close(ep) == -1) {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
456 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
457 "epoll close() failed");
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
458 }
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 ep = -1;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
461
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
462 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
463
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
464 if (close(notify_fd) == -1) {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
465 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
466 "eventfd close() failed");
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
467 }
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 notify_fd = -1;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
470
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
471 #endif
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
472
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
473 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
474
4130
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
475 if (ngx_eventfd != -1) {
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
476
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
477 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
478 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
479 "io_destroy() failed");
04751572f900 Fixing Linux AIO initiatialization: AIO operations are disabled if kernel
Igor Sysoev <igor@sysoev.ru>
parents: 4129
diff changeset
480 }
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 (close(ngx_eventfd) == -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 "eventfd close() 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 ngx_eventfd = -1;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
488 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
489
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
490 ngx_aio_ctx = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
491
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
492 #endif
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
493
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
494 ngx_free(event_list);
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
495
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
496 event_list = NULL;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
497 nevents = 0;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
498 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
499
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
500
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
501 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
502 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
503 {
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
504 int op;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
505 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
506 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
507 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
508 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
509
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
510 c = ev->data;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
511
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
512 events = (uint32_t) event;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
513
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
514 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
515 e = c->write;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
516 prev = EPOLLOUT;
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
517 #if (NGX_READ_EVENT != EPOLLIN|EPOLLRDHUP)
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
518 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
519 #endif
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 256
diff changeset
520
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
521 } else {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
522 e = c->read;
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
523 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
524 #if (NGX_WRITE_EVENT != EPOLLOUT)
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
525 events = EPOLLOUT;
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
526 #endif
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
527 }
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
528
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
529 if (e->active) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
530 op = EPOLL_CTL_MOD;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
531 events |= prev;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
532
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
533 } else {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
534 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
535 }
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
536
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
537 ee.events = events | (uint32_t) flags;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
538 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
539
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
540 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
541 "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
542 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
543
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
544 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
545 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
546 "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
547 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
548 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
549
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
550 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
551 #if 0
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
552 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
553 #endif
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
554
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
555 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
556 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
557
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
558
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
559 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
560 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
561 {
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
562 int op;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
563 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
564 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
565 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
566 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
567
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
568 /*
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
569 * 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
570 * 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
571 * 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
572 */
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
573
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
574 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
575 ev->active = 0;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
576 return NGX_OK;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
577 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
578
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
579 c = ev->data;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
580
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
581 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
582 e = c->write;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
583 prev = EPOLLOUT;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
584
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
585 } else {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
586 e = c->read;
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
587 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
588 }
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 if (e->active) {
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
591 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
592 ee.events = prev | (uint32_t) flags;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
593 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
594
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
595 } else {
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_DEL;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
597 ee.events = 0;
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
598 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
599 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
600
259
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
601 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
602 "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
603 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
604
d30f2c39caae nginx-0.0.2-2004-02-12-23:57:10 import
Igor Sysoev <igor@sysoev.ru>
parents: 258
diff changeset
605 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
606 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
607 "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
608 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
609 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
610
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
611 ev->active = 0;
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
612
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_OK;
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
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
616
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
617 static ngx_int_t
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
618 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
619 {
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
620 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
621
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
622 ee.events = EPOLLIN|EPOLLOUT|EPOLLET|EPOLLRDHUP;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
623 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
624
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
625 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
626 "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
627
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
628 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
629 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
630 "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
631 return NGX_ERROR;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
632 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
633
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
634 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
635 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
636
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
637 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
638 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
639
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
640
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
641 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
642 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
643 {
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
644 int op;
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
645 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
646
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
647 /*
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
648 * 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
649 * 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
650 * 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
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 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
654 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
655 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
656 return NGX_OK;
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
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
659 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
660 "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
661
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
662 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
663 ee.events = 0;
581
326634fb9d47 nginx-0.3.12-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
664 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
665
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
666 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
667 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
668 "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
669 return NGX_ERROR;
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
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
672 c->read->active = 0;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
673 c->write->active = 0;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
674
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
675 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
676 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
677
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
678
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
679 #if (NGX_HAVE_EVENTFD)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
680
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
681 static ngx_int_t
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
682 ngx_epoll_notify(ngx_event_handler_pt handler)
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
683 {
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
684 static uint64_t inc = 1;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
685
6061
953ef81705e1 Events: fixed possible crash on start or reload.
Valentin Bartenev <vbart@nginx.com>
parents: 6030
diff changeset
686 notify_event.data = handler;
953ef81705e1 Events: fixed possible crash on start or reload.
Valentin Bartenev <vbart@nginx.com>
parents: 6030
diff changeset
687
6019
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
688 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
689 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
690 "write() to eventfd %d failed", notify_fd);
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
691 return NGX_ERROR;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
692 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
693
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
694 return NGX_OK;
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
695 }
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
696
40e244e042a7 Events: implemented epoll notification mechanism.
Valentin Bartenev <vbart@nginx.com>
parents: 6018
diff changeset
697 #endif
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
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
700 static ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
701 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
702 {
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
703 int events;
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
704 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
705 ngx_int_t instance, i;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
706 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
707 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
708 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
709 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
710 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
711
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 315
diff changeset
712 /* 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
713
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 259
diff changeset
714 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
715 "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
716
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 663
diff changeset
717 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
718
3043
a66d6dfd53f1 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
719 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
720
3473
0299cf5856fc do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents: 3052
diff changeset
721 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
722 ngx_time_update();
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
723 }
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
724
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
725 if (err) {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
726 if (err == NGX_EINTR) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
727
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
728 if (ngx_event_timer_alarm) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
729 ngx_event_timer_alarm = 0;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
730 return NGX_OK;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
731 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
732
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
733 level = NGX_LOG_INFO;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
734
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
735 } else {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
736 level = NGX_LOG_ALERT;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
737 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
738
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
739 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
740 return NGX_ERROR;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
741 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
742
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
743 if (events == 0) {
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
744 if (timer != NGX_TIMER_INFINITE) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
745 return NGX_OK;
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
746 }
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
747
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
748 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
749 "epoll_wait() returned no events without timeout");
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
750 return NGX_ERROR;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
751 }
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
752
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
753 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
754 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
755
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
756 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
757 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
758
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
759 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
760
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
761 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
762
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
763 /*
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
764 * 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
765 * 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
766 */
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
767
312
f5431a4bbc7d nginx-0.0.3-2004-04-13-09:27:03 import
Igor Sysoev <igor@sysoev.ru>
parents: 311
diff changeset
768 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
769 "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
770 continue;
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
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
773 revents = event_list[i].events;
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
774
3902
159b58f9c0bd fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
775 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
776 "epoll: fd:%d ev:%04XD d:%p",
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
777 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
778
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
779 if (revents & (EPOLLERR|EPOLLHUP)) {
3902
159b58f9c0bd fix building by gcc 4.6 without --with-debug
Igor Sysoev <igor@sysoev.ru>
parents: 3475
diff changeset
780 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
781 "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
782 c->fd, revents);
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
783 }
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
784
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
785 #if 0
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
786 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
787 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
788 "strange epoll_wait() events fd:%d ev:%04XD",
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
789 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
790 }
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
791 #endif
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
792
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
793 if ((revents & (EPOLLERR|EPOLLHUP))
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
794 && (revents & (EPOLLIN|EPOLLOUT)) == 0)
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
795 {
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
796 /*
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
797 * 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
798 * 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
799 * active handler
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 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
803 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
804
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
805 if ((revents & EPOLLIN) && rev->active) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
806
5372
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
807 #if (NGX_HAVE_EPOLLRDHUP)
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
808 if (revents & EPOLLRDHUP) {
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
809 rev->pending_eof = 1;
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
810 }
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
811 #endif
36b58ddb566d Events: support for EPOLLRDHUP (ticket #320).
Valentin Bartenev <vbart@nginx.com>
parents: 4759
diff changeset
812
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
813 rev->ready = 1;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
814
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
815 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
816 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
817 : &ngx_posted_events;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
818
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
819 ngx_post_event(rev, queue);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
820
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
821 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
822 rev->handler(rev);
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
823 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
824 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
825
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
826 wev = c->write;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
827
4319
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
828 if ((revents & EPOLLOUT) && wev->active) {
4305
f68047884e83 Protection from stale write events in epoll.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4134
diff changeset
829
4319
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
830 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
831
4319
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
832 /*
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
833 * the stale event from a file descriptor
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
834 * that was just closed in this iteration
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
835 */
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 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
838 "epoll: stale event %p", c);
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
839 continue;
f40541f7afb5 Fixed AIO on Linux, broken in r4306.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4305
diff changeset
840 }
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 481
diff changeset
841
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
842 wev->ready = 1;
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
843
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
844 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5707
diff changeset
845 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
846
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
847 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 559
diff changeset
848 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
849 }
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
850 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
851 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
852
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
853 return NGX_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
854 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
855
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
856
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
857 #if (NGX_HAVE_FILE_AIO)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
858
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
859 static void
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
860 ngx_epoll_eventfd_handler(ngx_event_t *ev)
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
861 {
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
862 int n, events;
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
863 long i;
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
864 uint64_t ready;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
865 ngx_err_t err;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
866 ngx_event_t *e;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
867 ngx_event_aio_t *aio;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
868 struct io_event event[64];
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
869 struct timespec ts;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
870
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
871 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
872
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
873 n = read(ngx_eventfd, &ready, 8);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
874
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
875 err = ngx_errno;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
876
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
877 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
878
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
879 if (n != 8) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
880 if (n == -1) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
881 if (err == NGX_EAGAIN) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
882 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
883 }
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 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
886 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
887 }
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 ngx_log_error(NGX_LOG_ALERT, ev->log, 0,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
890 "read(eventfd) returned only %d bytes", n);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
891 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
892 }
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 ts.tv_sec = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
895 ts.tv_nsec = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
896
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
897 while (ready) {
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 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
900
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
901 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, ev->log, 0,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
902 "io_getevents: %l", events);
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 if (events > 0) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
905 ready -= events;
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 for (i = 0; i < events; i++) {
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 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, ev->log, 0,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
910 "io_event: %uXL %uXL %L %L",
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
911 event[i].data, event[i].obj,
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
912 event[i].res, event[i].res2);
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 e = (ngx_event_t *) (uintptr_t) event[i].data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
915
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
916 e->complete = 1;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
917 e->active = 0;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
918 e->ready = 1;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
919
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
920 aio = e->data;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
921 aio->res = event[i].res;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
922
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
923 ngx_post_event(e, &ngx_posted_events);
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
924 }
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 continue;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
927 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
928
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
929 if (events == 0) {
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
930 return;
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
931 }
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
932
4129
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
933 /* events == -1 */
6903dac6ad19 Fixing Linux AIO syscalls return value handling:
Igor Sysoev <igor@sysoev.ru>
parents: 3902
diff changeset
934 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
935 "io_getevents() failed");
3052
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
936 return;
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
6060225e9261 FreeBSD and Linux AIO support
Igor Sysoev <igor@sysoev.ru>
parents: 3044
diff changeset
940 #endif
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
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
943 static void *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
944 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
945 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
946 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
947
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
948 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
949 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
950 return NULL;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
951 }
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
952
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
953 epcf->events = NGX_CONF_UNSET;
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
954 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
955
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
956 return epcf;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
957 }
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
958
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
959
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
960 static char *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
961 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
962 {
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
963 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
964
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 581
diff changeset
965 ngx_conf_init_uint_value(epcf->events, 512);
4134
a3203c4521c6 The "worker_aio_requests" directive.
Igor Sysoev <igor@sysoev.ru>
parents: 4130
diff changeset
966 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
967
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
968 return NGX_CONF_OK;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
969 }