Mercurial > hg > nginx

annotate src/event/modules/ngx_rtsig_module.c @ 318:56496082668b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.3-2004-04-16-09:14:16 import
author Igor Sysoev <igor@sysoev.ru>
date Fri, 16 Apr 2004 05:14:16 +0000
parents 1308b98496a2
children ba876b26b76d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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1
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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2 /*
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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3 * Copyright (C) 2002-2004 Igor Sysoev, http://sysoev.ru/en/
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4 */
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5
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6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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7 #include <ngx_config.h>
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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8 #include <ngx_core.h>
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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9 #include <ngx_event.h>
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10
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11
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5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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12 #if (TEST_BUILD_RTSIG)
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14 #define F_SETSIG 10
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15 #define SIGRTMIN 33
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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16 #define si_fd __spare__[0]
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17
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5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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18 int sigtimedwait(const sigset_t *set, siginfo_t *info,
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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19 const struct timespec *timeout);
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22 int sigtimedwait(const sigset_t *set, siginfo_t *info,
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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23 const struct timespec *timeout)
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24 {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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25 return -1;
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26 }
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008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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27
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6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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28 #endif
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31 typedef struct {
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008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
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32 int signo;
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33 } ngx_rtsig_conf_t;
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34
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36 extern ngx_event_module_t ngx_poll_module_ctx;
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37
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38 static int ngx_rtsig_init(ngx_cycle_t *cycle);
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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39 static void ngx_rtsig_done(ngx_cycle_t *cycle);
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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40 static int ngx_rtsig_add_connection(ngx_connection_t *c);
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bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
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41 static int ngx_rtsig_del_connection(ngx_connection_t *c, u_int flags);
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4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
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42 static int ngx_rtsig_process_events(ngx_cycle_t *cycle);
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
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43 static int ngx_rtsig_process_overflow(ngx_cycle_t *cycle);
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44
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45 static void *ngx_rtsig_create_conf(ngx_cycle_t *cycle);
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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46 static char *ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf);
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47
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48
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49 static sigset_t set;
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50
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51
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5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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52 static ngx_str_t rtsig_name = ngx_string("rtsig");
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53
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54 static ngx_command_t ngx_rtsig_commands[] = {
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55
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56 {ngx_string("rtsig_signo"),
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6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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57 NGX_EVENT_CONF|NGX_CONF_TAKE1,
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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58 ngx_conf_set_num_slot,
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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59 0,
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5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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60 offsetof(ngx_rtsig_conf_t, signo),
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61 NULL},
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62
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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63 ngx_null_command
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64 };
60
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65
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66
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67 ngx_event_module_t ngx_rtsig_module_ctx = {
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68 &rtsig_name,
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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69 ngx_rtsig_create_conf, /* create configuration */
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70 ngx_rtsig_init_conf, /* init configuration */
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71
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72 {
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73 NULL, /* add an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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74 NULL, /* delete an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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75 NULL, /* enable an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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76 NULL, /* disable an event */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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77 ngx_rtsig_add_connection, /* add an connection */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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78 ngx_rtsig_del_connection, /* delete an connection */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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79 ngx_rtsig_process_events, /* process the events */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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80 ngx_rtsig_init, /* init the events */
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81 ngx_rtsig_done, /* done the events */
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82 }
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83
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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84 };
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85
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5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
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86 ngx_module_t ngx_rtsig_module = {
246
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87 NGX_MODULE,
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88 &ngx_rtsig_module_ctx, /* module context */
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89 ngx_rtsig_commands, /* module directives */
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90 NGX_EVENT_MODULE, /* module type */
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91 NULL, /* init module */
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92 NULL /* init child */
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93 };
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94
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95
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96 static int ngx_rtsig_init(ngx_cycle_t *cycle)
60
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97 {
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98 ngx_rtsig_conf_t *rtscf;
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99
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100 if (ngx_poll_module_ctx.actions.init(cycle) == NGX_ERROR) {
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
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101 return NGX_ERROR;
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102 }
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103
260
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104 rtscf = ngx_event_get_conf(cycle->conf_ctx, ngx_rtsig_module);
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105
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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106 sigemptyset(&set);
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107 sigaddset(&set, rtscf->signo);
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108 sigaddset(&set, SIGIO);
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109
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110 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) {
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111 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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112 "sigprocmask() failed");
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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113 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
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parents: 60
diff changeset
114 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
115
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
116 ngx_io = ngx_os_io;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
117
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
118 ngx_event_actions = ngx_rtsig_module_ctx.actions;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
119
306
6b91bfbc4123 nginx-0.0.3-2004-04-05-00:32:09 import
Igor Sysoev <igor@sysoev.ru>
parents: 305
diff changeset
120 ngx_event_flags = NGX_USE_SIGIO_EVENT|NGX_HAVE_INSTANCE_EVENT;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
121
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
122 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
123 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
124
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
125
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
126 static void ngx_rtsig_done(ngx_cycle_t *cycle)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
127 {
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
128 ngx_poll_module_ctx.actions.done(cycle);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
129 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
130
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
131
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
132 static int ngx_rtsig_add_connection(ngx_connection_t *c)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
133 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
134 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
135
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
136 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
137
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
138 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
139 "rtsig add connection: fd:%d signo:%d", c->fd, rtscf->signo);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
141 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
142 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
143 "fcntl(O_RDWR|O_NONBLOCK|O_ASYNC) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
145 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
146
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
147 if (fcntl(c->fd, F_SETSIG, rtscf->signo) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
148 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 "fcntl(F_SETSIG) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
152
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
153 if (fcntl(c->fd, F_SETOWN, ngx_getpid()) == -1) {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
154 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
155 "fcntl(F_SETOWN) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
156 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
159 #if (HAVE_ONESIGFD)
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
160 if (fcntl(c->fd, F_SETAUXFL, O_ONESIGFD) == -1) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
161 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
162 "fcntl(F_SETAUXFL) failed");
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
163 return NGX_ERROR;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
164 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
165 #endif
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
166
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
167 c->read->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
168 c->write->active = 1;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
169
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
170 return NGX_OK;
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
171 }
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
172
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
173
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
174 static int ngx_rtsig_del_connection(ngx_connection_t *c, u_int flags)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
175 {
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
176 if (!(flags & NGX_CLOSE_EVENT)) {
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
177 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK) == -1) {
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
178 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno,
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
179 "fcntl(O_RDWR|O_NONBLOCK) failed");
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
180 return NGX_ERROR;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
181 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
182 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
183
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
184 c->read->active = 0;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
185 c->write->active = 0;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
186
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
187 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
188 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
189
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
190
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
191 int ngx_rtsig_process_events(ngx_cycle_t *cycle)
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
192 {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
193 int signo;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
194 ngx_int_t instance, i;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
195 ngx_uint_t expire;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
196 size_t n;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
197 ngx_msec_t timer;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
198 ngx_err_t err;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
199 siginfo_t si;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
200 struct timeval tv;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
201 struct timespec ts, *tp;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
202 struct sigaction sa;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
203 ngx_epoch_msec_t delta;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
204 ngx_connection_t *c;
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
205 ngx_rtsig_conf_t *rtscf;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
207 for ( ;; ) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
208 timer = ngx_event_find_timer();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
209
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
210 if (timer != 0) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
211 break;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
212 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
213
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
214 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
215 "rtsig expired timer");
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
216
318
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 317
diff changeset
217 ngx_event_expire_timers((ngx_msec_t)
56496082668b nginx-0.0.3-2004-04-16-09:14:16 import
Igor Sysoev <igor@sysoev.ru>
parents: 317
diff changeset
218 (ngx_elapsed_msec - ngx_old_elapsed_msec));
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
219 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
220
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
221 expire = 1;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
222
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
223 if (ngx_accept_mutex) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
224 if (ngx_trylock_accept_mutex(cycle) == NGX_ERROR) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
225 return NGX_ERROR;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
226 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
227
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
228 if (ngx_accept_mutex_held == 0
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
229 && (timer == NGX_TIMER_INFINITE || timer > ngx_accept_mutex_delay))
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
230 {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
231 timer = ngx_accept_mutex_delay;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
232 expire = 0;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
233 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
234 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
235
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
236 if (timer == NGX_TIMER_INFINITE) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
237 tp = NULL;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
238 expire = 0;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
239
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
240 } else {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
241 ts.tv_sec = timer / 1000;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
242 ts.tv_nsec = (timer % 1000) * 1000000;
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
243 tp = &ts;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
244 }
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
245
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
246 ngx_old_elapsed_msec = ngx_elapsed_msec;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
247
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
248 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
249 "rtsig timer: %d", timer);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
250
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
251 /* Linux sigwaitinfo() is sigtimedwait() with the NULL timeout pointer */
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
252
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
253 signo = sigtimedwait(&set, &si, tp);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
254
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
255 if (signo == -1) {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
256 err = ngx_errno;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
257 } else {
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
258 err = 0;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
259 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
260
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
261 ngx_gettimeofday(&tv);
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
262 ngx_time_update(tv.tv_sec);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
263
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
264 delta = ngx_elapsed_msec;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
265 ngx_elapsed_msec = tv.tv_sec * 1000 + tv.tv_usec / 1000 - ngx_start_msec;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
266
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
267 if (err) {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
268 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT,
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
269 cycle->log, err, "sigtimedwait() failed");
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
270 ngx_accept_mutex_unlock();
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
271 return NGX_ERROR;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
272 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
273
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
274 if (timer != NGX_TIMER_INFINITE) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
275 delta = ngx_elapsed_msec - delta;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
276
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
277 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
278 "rtsig timer: %d, delta: %d", timer, (int) delta);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
279 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
280
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
281 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
282 "signo:%d fd:%d band:%X", signo, si.si_fd, si.si_band);
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
284 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
285
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
286 if (signo == rtscf->signo) {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
287
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
288 /* TODO: old_cycles */
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
289
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
290 c = &ngx_cycle->connections[si.si_fd];
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
291
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
292 /* TODO: stale signals */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
293
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
294 if (si.si_band & (POLLIN|POLLHUP|POLLERR)) {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
295 if (c->read->active) {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
296 c->read->ready = 1;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
297
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
298 if (!ngx_threaded && !ngx_accept_mutex_held) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
299 c->read->event_handler(c->read);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
300
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
301 } else if (c->read->accept) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
302 c->read->event_handler(c->read);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
303
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
304 } else {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
305 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
306 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
307 return NGX_ERROR;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
308 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
309
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
310 ngx_post_event(c->read);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
311
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
312 ngx_mutex_unlock(ngx_posted_events_mutex);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
313 }
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
314 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
315 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
316
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
317 if (si.si_band & (POLLOUT|POLLHUP|POLLERR)) {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
318 if (c->write->active) {
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
319 c->write->ready = 1;
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
320
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
321 if (!ngx_threaded && !ngx_accept_mutex_held) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
322 c->write->event_handler(c->write);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
323
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
324 } else {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
325
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
326 if (ngx_mutex_lock(ngx_posted_events_mutex) == NGX_ERROR) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
327 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
328 return NGX_ERROR;
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
329 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
330
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
331 ngx_post_event(c->write);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
332
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
333 ngx_mutex_unlock(ngx_posted_events_mutex);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
334 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
335 }
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
336 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
337
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
338 } else if (signo == SIGIO) {
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
339 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
340
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
341 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
342 "signal queue overflowed: "
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
343 "SIGIO, fd:%d, band:%X", si.si_fd, si.si_band);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
344
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
345 /* TODO: flush all the used RT signals */
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
346
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
347 ngx_memzero(&sa, sizeof(struct sigaction));
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
348 sa.sa_handler = SIG_DFL;
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
349 sigemptyset(&sa.sa_mask);
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
350 if (sigaction(rtscf->signo, &sa, NULL) == -1) {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
351 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
352 "sigaction(%d, SIG_DFL) failed", rtscf->signo);
247
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
353 }
008276b9e061 nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents: 246
diff changeset
354
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
355 ngx_event_actions = ngx_poll_module_ctx.actions;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
356 ngx_event_actions.process = ngx_rtsig_process_overflow;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
357 ngx_event_flags = NGX_OVERFLOW_EVENT
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
358 |NGX_USE_LEVEL_EVENT|NGX_USE_ONESHOT_EVENT;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
359
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
360 /* STUB: add events. WHAT to do with fcntl()s ? */
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
361
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
362
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
363 } else {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
364 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0,
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
365 "sigtimedwait() returned unexpected signal: %d", signo);
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
366 ngx_accept_mutex_unlock();
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
367 return NGX_ERROR;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
368 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
369
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
370
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
371 ngx_accept_mutex_unlock();
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
372
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
373 if (expire && delta) {
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
374 ngx_event_expire_timers((ngx_msec_t) delta);
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
375 }
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
376
316
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
377 if (!ngx_threaded) {
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
378 ngx_event_process_posted(cycle);
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
379 }
a0beefedaf94 nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents: 306
diff changeset
380
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
381 return NGX_OK;
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
382 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
383
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
384
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
385 static int ngx_rtsig_process_overflow(ngx_cycle_t *cycle)
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
386 {
305
4b1a3a4acc60 nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents: 262
diff changeset
387 if (ngx_poll_module_ctx.actions.process(cycle) == NGX_OK) {
261
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
388 ngx_event_actions = ngx_rtsig_module_ctx.actions;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
389 ngx_event_flags = NGX_USE_SIGIO_EVENT;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
390 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
391
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
392 return NGX_OK;
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
393 }
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
394
bdd631bf1a1c nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents: 260
diff changeset
395
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
396 static void *ngx_rtsig_create_conf(ngx_cycle_t *cycle)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
397 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
398 ngx_rtsig_conf_t *rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
399
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
400 ngx_test_null(rtscf, ngx_palloc(cycle->pool, sizeof(ngx_rtsig_conf_t)),
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
401 NGX_CONF_ERROR);
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
402
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
403 rtscf->signo = NGX_CONF_UNSET;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
404
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
405 return rtscf;
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
406 }
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
407
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
408
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
409 static char *ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf)
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
410 {
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
411 ngx_rtsig_conf_t *rtscf = conf;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
412
260
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
413 /* LinuxThreads use the first 3 RT signals */
5dacbb4daaf6 nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents: 247
diff changeset
414 ngx_conf_init_value(rtscf->signo, SIGRTMIN + 10);
246
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
415
6753e8cdaa2c nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents: 60
diff changeset
416 return NGX_CONF_OK;
60
50186b49f2ad nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
417 }