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annotate src/event/modules/ngx_devpoll_module.c @ 5820:3377f9459e99

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Events: removed broken thread support from posted events. It's mostly dead code. And the idea of thread support for this task has been deprecated.
author Valentin Bartenev <vbart@nginx.com>
date Mon, 01 Sep 2014 18:20:03 +0400
parents 6b479db5b52b
children 3f5f0ab59b35
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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1
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c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
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4 * Copyright (C) Nginx, Inc.
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c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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5 */
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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6
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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7
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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8 #include <ngx_config.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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9 #include <ngx_core.h>
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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10 #include <ngx_event.h>
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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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_DEVPOLL)
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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14
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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15 /* Solaris declarations */
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16
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17 #define POLLREMOVE 0x0800
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18 #define DP_POLL 0xD001
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19 #define DP_ISPOLLED 0xD002
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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21 struct dvpoll {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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22 struct pollfd *dp_fds;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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23 int dp_nfds;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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24 int dp_timeout;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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25 };
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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26
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27 #endif
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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30 typedef struct {
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31 ngx_uint_t changes;
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32 ngx_uint_t events;
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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33 } ngx_devpoll_conf_t;
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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35
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36 static ngx_int_t ngx_devpoll_init(ngx_cycle_t *cycle, ngx_msec_t timer);
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37 static void ngx_devpoll_done(ngx_cycle_t *cycle);
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38 static ngx_int_t ngx_devpoll_add_event(ngx_event_t *ev, ngx_int_t event,
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39 ngx_uint_t flags);
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40 static ngx_int_t ngx_devpoll_del_event(ngx_event_t *ev, ngx_int_t event,
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41 ngx_uint_t flags);
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42 static ngx_int_t ngx_devpoll_set_event(ngx_event_t *ev, ngx_int_t event,
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43 ngx_uint_t flags);
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44 static ngx_int_t ngx_devpoll_process_events(ngx_cycle_t *cycle,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
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45 ngx_msec_t timer, ngx_uint_t flags);
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47 static void *ngx_devpoll_create_conf(ngx_cycle_t *cycle);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
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48 static char *ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf);
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83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
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49
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50 static int dp = -1;
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51 static struct pollfd *change_list, *event_list;
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52 static ngx_uint_t nchanges, max_changes, nevents;
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53
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
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54 static ngx_event_t **change_index;
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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57 static ngx_str_t devpoll_name = ngx_string("/dev/poll");
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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59 static ngx_command_t ngx_devpoll_commands[] = {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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60
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61 { ngx_string("devpoll_changes"),
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62 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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63 ngx_conf_set_num_slot,
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64 0,
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65 offsetof(ngx_devpoll_conf_t, changes),
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66 NULL },
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67
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68 { ngx_string("devpoll_events"),
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69 NGX_EVENT_CONF|NGX_CONF_TAKE1,
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70 ngx_conf_set_num_slot,
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71 0,
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72 offsetof(ngx_devpoll_conf_t, events),
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73 NULL },
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74
499
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75 ngx_null_command
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76 };
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c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
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78
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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79 ngx_event_module_t ngx_devpoll_module_ctx = {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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80 &devpoll_name,
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81 ngx_devpoll_create_conf, /* create configuration */
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82 ngx_devpoll_init_conf, /* init configuration */
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83
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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84 {
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85 ngx_devpoll_add_event, /* add an event */
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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86 ngx_devpoll_del_event, /* delete an event */
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87 ngx_devpoll_add_event, /* enable an event */
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88 ngx_devpoll_del_event, /* disable an event */
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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89 NULL, /* add an connection */
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90 NULL, /* delete an connection */
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5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import
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91 NULL, /* process the changes */
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19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
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92 ngx_devpoll_process_events, /* process the events */
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93 ngx_devpoll_init, /* init the events */
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94 ngx_devpoll_done, /* done the events */
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95 }
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96
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97 };
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98
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99 ngx_module_t ngx_devpoll_module = {
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100 NGX_MODULE_V1,
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101 &ngx_devpoll_module_ctx, /* module context */
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102 ngx_devpoll_commands, /* module directives */
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a23d010f356d nginx-0.0.1-2003-05-27-16:18:54 import
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103 NGX_EVENT_MODULE, /* module type */
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104 NULL, /* init master */
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571bcbff82c5 nginx-0.0.1-2003-07-11-08:50:59 import
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105 NULL, /* init module */
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106 NULL, /* init process */
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107 NULL, /* init thread */
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108 NULL, /* exit thread */
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109 NULL, /* exit process */
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110 NULL, /* exit master */
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111 NGX_MODULE_V1_PADDING
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112 };
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113
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114
499
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115 static ngx_int_t
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116 ngx_devpoll_init(ngx_cycle_t *cycle, ngx_msec_t timer)
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117 {
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2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import
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118 size_t n;
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119 ngx_devpoll_conf_t *dpcf;
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120
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
121 dpcf = ngx_event_get_conf(cycle->conf_ctx, ngx_devpoll_module);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
122
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
123 if (dp == -1) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
124 dp = open("/dev/poll", O_RDWR);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
125
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
126 if (dp == -1) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
127 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
128 "open(/dev/poll) failed");
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
129 return NGX_ERROR;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
130 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
131 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
132
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
133 if (max_changes < dpcf->changes) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
134 if (nchanges) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
135 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
136 if (write(dp, change_list, n) != (ssize_t) n) {
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
137 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
138 "write(/dev/poll) failed");
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
139 return NGX_ERROR;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
140 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
141
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
142 nchanges = 0;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
143 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
144
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
145 if (change_list) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
146 ngx_free(change_list);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
147 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
148
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
149 change_list = ngx_alloc(sizeof(struct pollfd) * dpcf->changes,
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
150 cycle->log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
151 if (change_list == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
152 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
153 }
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
154
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
155 if (change_index) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
156 ngx_free(change_index);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
157 }
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
158
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
159 change_index = ngx_alloc(sizeof(ngx_event_t *) * dpcf->changes,
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
160 cycle->log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
161 if (change_index == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
162 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
163 }
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
164 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
165
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
166 max_changes = dpcf->changes;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
167
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
168 if (nevents < dpcf->events) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
169 if (event_list) {
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
170 ngx_free(event_list);
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
171 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
173 event_list = ngx_alloc(sizeof(struct pollfd) * dpcf->events,
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
174 cycle->log);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
175 if (event_list == NULL) {
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
176 return NGX_ERROR;
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
177 }
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
178 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
179
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
180 nevents = dpcf->events;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
181
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
182 ngx_io = ngx_os_io;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
183
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
184 ngx_event_actions = ngx_devpoll_module_ctx.actions;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
185
543
511a89da35ad nginx-0.2.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 541
diff changeset
186 ngx_event_flags = NGX_USE_LEVEL_EVENT|NGX_USE_FD_EVENT;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
187
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
188 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
189 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
190
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
191
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
192 static void
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
193 ngx_devpoll_done(ngx_cycle_t *cycle)
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
194 {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
195 if (close(dp) == -1) {
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
196 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
197 "close(/dev/poll) failed");
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
198 }
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
199
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
200 dp = -1;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
201
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
202 ngx_free(change_list);
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
203 ngx_free(event_list);
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
204 ngx_free(change_index);
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
205
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
206 change_list = NULL;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
207 event_list = NULL;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
208 change_index = NULL;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
209 max_changes = 0;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
210 nchanges = 0;
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
211 nevents = 0;
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
212 }
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
213
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
214
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
215 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
216 ngx_devpoll_add_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
217 {
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
218 #if (NGX_DEBUG)
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
219 ngx_connection_t *c;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
220 #endif
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
221
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
222 #if (NGX_READ_EVENT != POLLIN)
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
223 event = (event == NGX_READ_EVENT) ? POLLIN : POLLOUT;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
224 #endif
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
225
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
226 #if (NGX_DEBUG)
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
227 c = ev->data;
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
228 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
229 "devpoll add event: fd:%d ev:%04Xi", c->fd, event);
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
230 #endif
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
231
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
232 ev->active = 1;
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
233
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
234 return ngx_devpoll_set_event(ev, event, 0);
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
235 }
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
236
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
237
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
238 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
239 ngx_devpoll_del_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
240 {
109
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
241 ngx_event_t *e;
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
242 ngx_connection_t *c;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243
110
152567c11325 nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 109
diff changeset
244 c = ev->data;
152567c11325 nginx-0.0.1-2003-07-02-22:51:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 109
diff changeset
245
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
246 #if (NGX_READ_EVENT != POLLIN)
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
247 event = (event == NGX_READ_EVENT) ? POLLIN : POLLOUT;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
248 #endif
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
249
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
250 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0,
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
251 "devpoll del event: fd:%d ev:%04Xi", c->fd, event);
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
252
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
253 if (ngx_devpoll_set_event(ev, POLLREMOVE, flags) == NGX_ERROR) {
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
254 return NGX_ERROR;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
255 }
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
256
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
257 ev->active = 0;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
258
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
259 if (flags & NGX_CLOSE_EVENT) {
1431
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
260 e = (event == POLLIN) ? c->write : c->read;
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
261
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
262 if (e) {
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
263 e->active = 0;
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
264 }
ec3833f74cc2 disable pair event on POLLREMOVE
Igor Sysoev <igor@sysoev.ru>
parents: 1354
diff changeset
265
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
266 return NGX_OK;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
267 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
268
1432
f53e88c49563 fix comment
Igor Sysoev <igor@sysoev.ru>
parents: 1431
diff changeset
269 /* restore the pair event if it exists */
109
a9bc21d63fe4 nginx-0.0.1-2003-07-02-18:41:17 import
Igor Sysoev <igor@sysoev.ru>
parents: 96
diff changeset
270
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
271 if (event == POLLIN) {
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
272 e = c->write;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
273 event = POLLOUT;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
274
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
275 } else {
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
276 e = c->read;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
277 event = POLLIN;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
278 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
280 if (e && e->active) {
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
281 return ngx_devpoll_set_event(e, event, 0);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
282 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
284 return NGX_OK;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
285 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
286
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
287
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
288 static ngx_int_t
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
289 ngx_devpoll_set_event(ngx_event_t *ev, ngx_int_t event, ngx_uint_t flags)
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
290 {
194
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents: 179
diff changeset
291 size_t n;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
292 ngx_connection_t *c;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
294 c = ev->data;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
295
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
296 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, ev->log, 0,
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
297 "devpoll fd:%d ev:%04Xi fl:%04Xi", c->fd, event, flags);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
298
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
299 if (nchanges >= max_changes) {
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
300 ngx_log_error(NGX_LOG_WARN, ev->log, 0,
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
301 "/dev/pool change list is filled up");
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
302
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
304 if (write(dp, change_list, n) != (ssize_t) n) {
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
305 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
306 "write(/dev/poll) failed");
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
307 return NGX_ERROR;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
308 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
309
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
310 nchanges = 0;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
311 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
312
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
313 change_list[nchanges].fd = c->fd;
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
314 change_list[nchanges].events = (short) event;
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
315 change_list[nchanges].revents = 0;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
316
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
317 change_index[nchanges] = ev;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
318 ev->index = nchanges;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
319
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
320 nchanges++;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
321
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
322 if (flags & NGX_CLOSE_EVENT) {
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
323 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
324 if (write(dp, change_list, n) != (ssize_t) n) {
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
325 ngx_log_error(NGX_LOG_ALERT, ev->log, ngx_errno,
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
326 "write(/dev/poll) failed");
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
327 return NGX_ERROR;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
328 }
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
329
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
330 nchanges = 0;
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
331 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
332
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
333 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
334 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
335
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
336
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
337 ngx_int_t
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
338 ngx_devpoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
339 ngx_uint_t flags)
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
340 {
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
341 int events, revents, rc;
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
342 size_t n;
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
343 ngx_fd_t fd;
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
344 ngx_err_t err;
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
345 ngx_int_t i;
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
346 ngx_uint_t level, instance;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
347 ngx_event_t *rev, *wev, **queue;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
348 ngx_connection_t *c;
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
349 struct pollfd pfd;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
350 struct dvpoll dvp;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
351
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
352 /* NGX_TIMER_INFINITE == INFTIM */
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
353
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
354 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
557
ecd9c160f25b nginx-0.3.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 543
diff changeset
355 "devpoll timer: %M", timer);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
356
47
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
357 if (nchanges) {
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
358 n = nchanges * sizeof(struct pollfd);
245
e6c005b66b3a nginx-0.0.1-2004-01-30-00:45:01 import
Igor Sysoev <igor@sysoev.ru>
parents: 243
diff changeset
359 if (write(dp, change_list, n) != (ssize_t) n) {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
360 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
47
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
361 "write(/dev/poll) failed");
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
362 return NGX_ERROR;
d81326c3b21b nginx-0.0.1-2003-01-15-10:02:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 40
diff changeset
363 }
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
364
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
365 nchanges = 0;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
366 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
367
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 39
diff changeset
368 dvp.dp_fds = event_list;
1354
f69d1aab6a0f make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents: 1141
diff changeset
369 dvp.dp_nfds = (int) nevents;
40
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 39
diff changeset
370 dvp.dp_timeout = timer;
d5d4f3bba6f0 nginx-0.0.1-2002-12-26-10:24:21 import
Igor Sysoev <igor@sysoev.ru>
parents: 39
diff changeset
371 events = ioctl(dp, DP_POLL, &dvp);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
372
3043
a66d6dfd53f1 style fix
Igor Sysoev <igor@sysoev.ru>
parents: 2912
diff changeset
373 err = (events == -1) ? ngx_errno : 0;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
374
3473
0299cf5856fc do not update time in the timer signal handler,
Igor Sysoev <igor@sysoev.ru>
parents: 3043
diff changeset
375 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
376 ngx_time_update();
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
377 }
178
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents: 167
diff changeset
378
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
379 if (err) {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
380 if (err == NGX_EINTR) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
381
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
382 if (ngx_event_timer_alarm) {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
383 ngx_event_timer_alarm = 0;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
384 return NGX_OK;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
385 }
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
386
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
387 level = NGX_LOG_INFO;
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
388
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
389 } else {
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
390 level = NGX_LOG_ALERT;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
391 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
392
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
393 ngx_log_error(level, cycle->log, err, "ioctl(DP_POLL) failed");
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
394 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
395 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 245
diff changeset
396
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
397 if (events == 0) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
398 if (timer != NGX_TIMER_INFINITE) {
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
399 return NGX_OK;
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
400 }
114
ac69ab96328d nginx-0.0.1-2003-07-07-10:11:50 import
Igor Sysoev <igor@sysoev.ru>
parents: 110
diff changeset
401
567
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
402 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
403 "ioctl(DP_POLL) returned no events without timeout");
1af2fcb3be8a nginx-0.3.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 563
diff changeset
404 return NGX_ERROR;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
405 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
406
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
407 for (i = 0; i < events; i++) {
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
408
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
409 fd = event_list[i].fd;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
410 revents = event_list[i].revents;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
411
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
412 c = ngx_cycle->files[fd];
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
413
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
414 if (c == NULL || c->fd == -1) {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
415
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
416 pfd.fd = fd;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
417 pfd.events = 0;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
418 pfd.revents = 0;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
419
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
420 rc = ioctl(dp, DP_ISPOLLED, &pfd);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
421
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
422 switch (rc) {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
423
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
424 case -1:
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
425 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
5327
6b479db5b52b Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 5172
diff changeset
426 "ioctl(DP_ISPOLLED) failed for socket %d, event %04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
427 fd, revents);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
428 break;
115
be27f922b9a2 nginx-0.0.1-2003-07-10-20:26:57 import
Igor Sysoev <igor@sysoev.ru>
parents: 114
diff changeset
429
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
430 case 0:
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
431 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
432 "phantom event %04Xd for closed and removed socket %d",
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
433 revents, fd);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
434 break;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
435
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
436 default:
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
437 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
438 "unexpected event %04Xd for closed and removed socket %d, ",
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
439 "ioctl(DP_ISPOLLED) returned rc:%d, fd:%d, event %04Xd",
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
440 revents, fd, rc, pfd.fd, pfd.revents);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
441
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
442 pfd.fd = fd;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
443 pfd.events = POLLREMOVE;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
444 pfd.revents = 0;
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
445
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
446 if (write(dp, &pfd, sizeof(struct pollfd))
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
447 != (ssize_t) sizeof(struct pollfd))
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
448 {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
449 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
5327
6b479db5b52b Format specifier fixes in error logging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 5172
diff changeset
450 "write(/dev/poll) for %d failed", fd);
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
451 }
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
452
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
453 if (close(fd) == -1) {
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
454 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
455 "close(%d) failed", fd);
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
456 }
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
457
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
458 break;
473
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
459 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
460
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
461 continue;
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
462 }
8e8f3af115b5 nginx-0.1.11-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 469
diff changeset
463
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
464 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
465 "devpoll: fd:%d, ev:%04Xd, rev:%04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
466 fd, event_list[i].events, revents);
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
467
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
468 if (revents & (POLLERR|POLLHUP|POLLNVAL)) {
1141
2b16d3959c2b fix building without --with-debug on Solaris
Igor Sysoev <igor@sysoev.ru>
parents: 1128
diff changeset
469 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
470 "ioctl(DP_POLL) error fd:%d ev:%04Xd rev:%04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
471 fd, event_list[i].events, revents);
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
472 }
39
83fa61cd3d2f nginx-0.0.1-2002-12-24-20:30:59 import
Igor Sysoev <igor@sysoev.ru>
parents: 36
diff changeset
473
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
474 if (revents & ~(POLLIN|POLLOUT|POLLERR|POLLHUP|POLLNVAL)) {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
475 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
476 "strange ioctl(DP_POLL) events "
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
477 "fd:%d ev:%04Xd rev:%04Xd",
1433
8144200f6fa3 add guard code
Igor Sysoev <igor@sysoev.ru>
parents: 1432
diff changeset
478 fd, event_list[i].events, revents);
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
479 }
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
480
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
481 if ((revents & (POLLERR|POLLHUP|POLLNVAL))
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
482 && (revents & (POLLIN|POLLOUT)) == 0)
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
483 {
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
484 /*
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
485 * if the error events were returned without POLLIN or POLLOUT,
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
486 * then add these flags to handle the events at least in one
577
4d9ea73a627a nginx-0.3.10-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 567
diff changeset
487 * active handler
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
488 */
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
489
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
490 revents |= POLLIN|POLLOUT;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
491 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
492
381
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
493 rev = c->read;
02a511569afb nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 380
diff changeset
494
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
495 if ((revents & POLLIN) && rev->active) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
496 rev->ready = 1;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
497
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
498 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
499 queue = rev->accept ? &ngx_posted_accept_events
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
500 : &ngx_posted_events;
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
501
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
502 ngx_post_event(rev, queue);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
503
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
504 } else {
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
505 instance = rev->instance;
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
506
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
507 rev->handler(rev);
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
508
5172
a4d21534cbf4 Events: fixed typos in two previous commits.
Valentin Bartenev <vbart@nginx.com>
parents: 5170
diff changeset
509 if (c->fd == -1 || rev->instance != instance) {
5170
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
510 continue;
6362bd26e4b0 Events: protection from stale events in eventport and devpoll.
Valentin Bartenev <vbart@nginx.com>
parents: 4412
diff changeset
511 }
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
512 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
513 }
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
514
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
515 wev = c->write;
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
516
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
517 if ((revents & POLLOUT) && wev->active) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
518 wev->ready = 1;
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
519
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
520 if (flags & NGX_POST_EVENTS) {
5820
3377f9459e99 Events: removed broken thread support from posted events.
Valentin Bartenev <vbart@nginx.com>
parents: 5327
diff changeset
521 ngx_post_event(wev, &ngx_posted_events);
563
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
522
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
523 } else {
9c2f3ed7a247 nginx-0.3.3-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 557
diff changeset
524 wev->handler(wev);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
525 }
36
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
526 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
527 }
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
528
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
529 return NGX_OK;
c14d7232b11f nginx-0.0.1-2002-12-23-09:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
530 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
531
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
532
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
533 static void *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
534 ngx_devpoll_create_conf(ngx_cycle_t *cycle)
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
535 {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
536 ngx_devpoll_conf_t *dpcf;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
537
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
538 dpcf = ngx_palloc(cycle->pool, sizeof(ngx_devpoll_conf_t));
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
539 if (dpcf == NULL) {
2912
c7d57b539248 return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents: 1433
diff changeset
540 return NULL;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 499
diff changeset
541 }
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
542
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
543 dpcf->changes = NGX_CONF_UNSET;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
544 dpcf->events = NGX_CONF_UNSET;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
545
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
546 return dpcf;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
547 }
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
548
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
549
499
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
550 static char *
64d9afb209da nginx-0.1.24-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 487
diff changeset
551 ngx_devpoll_init_conf(ngx_cycle_t *cycle, void *conf)
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
552 {
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
553 ngx_devpoll_conf_t *dpcf = conf;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
554
663
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
555 ngx_conf_init_uint_value(dpcf->changes, 32);
6d5c1535bb9d nginx-0.3.53-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 577
diff changeset
556 ngx_conf_init_uint_value(dpcf->events, 32);
92
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
557
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
558 return NGX_CONF_OK;
19cc647ecd91 nginx-0.0.1-2003-05-20-19:37:55 import
Igor Sysoev <igor@sysoev.ru>
parents: 69
diff changeset
559 }