Mercurial > hg > nginx
annotate src/event/modules/ngx_sigio_module.c @ 247:008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 01 Feb 2004 08:10:52 +0000 |
parents | 6753e8cdaa2c |
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1 |
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2 /* |
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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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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
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10 |
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11 |
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12 #if (TEST_BUILD_SIGIO) |
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13 |
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14 #define F_SETSIG 10 |
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16 #define POLL_IN POLLIN |
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17 #define POLL_OUT POLLOUT |
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19 #endif |
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22 typedef struct { |
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23 int signo; |
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24 } ngx_sigio_conf_t; |
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25 |
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27 static int ngx_sigio_init(ngx_cycle_t *cycle); |
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28 static void ngx_sigio_done(ngx_cycle_t *cycle); |
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29 static int ngx_sigio_add_event(ngx_event_t *ev, int event, u_int flags); |
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30 static int ngx_sigio_del_event(ngx_event_t *ev, int event, u_int flags); |
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31 static int ngx_sigio_add_connection(ngx_connection_t *c); |
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32 static int ngx_sigio_del_connection(ngx_connection_t *c); |
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33 static int ngx_sigio_process_events(ngx_log_t *log); |
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34 |
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35 static void *ngx_sigio_create_conf(ngx_cycle_t *cycle); |
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36 static char *ngx_sigio_init_conf(ngx_cycle_t *cycle, void *conf); |
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37 |
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38 |
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39 static sigset_t set; |
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40 |
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41 |
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42 static ngx_str_t sigio_name = ngx_string("sigio"); |
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43 |
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44 static ngx_command_t ngx_sigio_commands[] = { |
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45 |
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46 {ngx_string("sigio_signal"), |
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47 NGX_EVENT_CONF|NGX_CONF_TAKE1, |
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48 ngx_conf_set_num_slot, |
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49 0, |
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50 offsetof(ngx_sigio_conf_t, signo), |
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51 NULL}, |
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52 |
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53 ngx_null_command |
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54 }; |
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55 |
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56 |
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57 ngx_event_module_t ngx_sigio_module_ctx = { |
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58 &sigio_name, |
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59 ngx_sigio_create_conf, /* create configuration */ |
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60 ngx_sigio_init_conf, /* init configuration */ |
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61 |
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62 { |
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63 ngx_sigio_add_event, /* add an event */ |
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64 ngx_sigio_del_event, /* delete an event */ |
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65 ngx_sigio_add_event, /* enable an event */ |
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66 ngx_sigio_del_event, /* disable an event */ |
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67 ngx_sigio_add_connection, /* add an connection */ |
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68 ngx_sigio_del_connection, /* delete an connection */ |
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69 ngx_sigio_process_events, /* process the events */ |
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70 ngx_sigio_init, /* init the events */ |
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71 ngx_sigio_done, /* done the events */ |
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72 } |
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73 |
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74 }; |
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75 |
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76 ngx_module_t ngx_sigio_module = { |
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77 NGX_MODULE, |
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78 &ngx_sigio_module_ctx, /* module context */ |
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79 ngx_sigio_commands, /* module directives */ |
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80 NGX_EVENT_MODULE, /* module type */ |
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81 NULL, /* init module */ |
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82 NULL /* init child */ |
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83 }; |
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84 |
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85 |
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86 static int ngx_sigio_init(ngx_cycle_t *cycle) |
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87 { |
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88 ngx_sigio_conf_t *sgcf; |
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89 |
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90 sgcf = ngx_event_get_conf(cycle->conf_ctx, ngx_sigio_module); |
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91 |
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92 sigemptyset(&set); |
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93 sigaddset(&set, sgcf->signo); |
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94 sigaddset(&set, SIGIO); |
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95 |
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96 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { |
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97 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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98 "sigprocmask() failed"); |
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99 return NGX_ERROR; |
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100 } |
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parents:
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diff
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|
101 |
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102 ngx_io = ngx_os_io; |
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parents:
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diff
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|
103 |
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diff
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104 ngx_event_actions = ngx_sigio_module_ctx.actions; |
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diff
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|
105 |
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106 ngx_event_flags = NGX_USE_SIGIO_EVENT; |
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diff
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107 |
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108 return NGX_OK; |
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diff
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109 } |
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110 |
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diff
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111 |
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112 static void ngx_sigio_done(ngx_cycle_t *cycle) |
6753e8cdaa2c
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113 { |
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diff
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114 } |
6753e8cdaa2c
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parents:
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diff
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115 |
60
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parents:
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116 |
246
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117 static int ngx_sigio_add_event(ngx_event_t *ev, int event, u_int flags) |
6753e8cdaa2c
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diff
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118 { |
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119 ngx_connection_t *c; |
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120 |
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121 c = ev->data; |
6753e8cdaa2c
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122 |
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123 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
6753e8cdaa2c
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124 "sigio add event: fd:%d ev:%04X", c->fd, event); |
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diff
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125 |
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126 return NGX_OK; |
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nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
127 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
128 |
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129 |
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130 static int ngx_sigio_del_event(ngx_event_t *ev, int event, u_int flags) |
6753e8cdaa2c
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diff
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131 { |
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nginx-0.0.1-2004-01-30-20:39:00 import
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132 ngx_connection_t *c; |
6753e8cdaa2c
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Igor Sysoev <igor@sysoev.ru>
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diff
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|
133 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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134 c = ev->data; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
135 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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136 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
137 "sigio del event: fd:%d ev:%04X", c->fd, event); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
138 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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139 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
140 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
141 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
142 |
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nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
143 static int ngx_sigio_add_connection(ngx_connection_t *c) |
6753e8cdaa2c
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parents:
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diff
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|
144 { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
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|
145 ngx_sigio_conf_t *sgcf; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
146 |
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|
147 sgcf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_sigio_module); |
6753e8cdaa2c
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|
148 |
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|
149 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
150 "sigio add connection: fd:%d signo:%d", c->fd, sgcf->signo); |
60
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 |
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|
152 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) { |
246
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parents:
60
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|
153 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
60
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
154 "fcntl(O_RDWR|O_NONBLOCK|O_ASYNC) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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|
155 return NGX_ERROR; |
50186b49f2ad
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 } |
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
157 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
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|
158 if (fcntl(c->fd, F_SETSIG, sgcf->signo) == -1) { |
246
6753e8cdaa2c
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Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
159 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
60
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
160 "fcntl(F_SETSIG) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
161 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
162 } |
50186b49f2ad
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
163 |
246
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parents:
60
diff
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|
164 if (fcntl(c->fd, F_SETOWN, ngx_getpid()) == -1) { |
6753e8cdaa2c
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Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
165 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
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|
166 "fcntl(F_SETOWN) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
167 return NGX_ERROR; |
50186b49f2ad
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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|
170 #if (HAVE_ONESIGFD) |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
171 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
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|
172 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
|
173 "fcntl(F_SETAUXFL) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
174 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 #endif |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
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|
177 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
178 c->read->active = 1; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
179 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
|
180 |
60
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
181 return NGX_OK; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
185 static int ngx_sigio_del_connection(ngx_connection_t *c) |
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 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
|
188 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
|
189 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
190 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
191 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
192 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
193 |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 int ngx_sigio_process_events(ngx_log_t *log) |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 { |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
196 int signo; |
6753e8cdaa2c
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Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
197 ngx_int_t instance, i; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
198 size_t n; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
199 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
|
200 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
|
201 ngx_cycle_t **cycle; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
202 siginfo_t si; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
203 struct timeval tv; |
6753e8cdaa2c
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204 struct timespec ts; |
247
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diff
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205 struct sigaction sa; |
246
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diff
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206 ngx_connection_t *c; |
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207 ngx_epoch_msec_t delta; |
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208 ngx_sigio_conf_t *sgcf; |
60
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209 |
246
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210 timer = ngx_event_find_timer(); |
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211 ngx_old_elapsed_msec = ngx_elapsed_msec; |
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diff
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212 |
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213 if (timer) { |
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214 ts.tv_sec = timer / 1000; |
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215 ts.tv_nsec = (timer % 1000) * 1000000; |
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|
216 } |
60
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parents:
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217 |
246
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218 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, "sigio timer: %d", timer); |
6753e8cdaa2c
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parents:
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219 |
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220 if (timer) { |
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221 signo = sigtimedwait(&set, &si, &ts); |
6753e8cdaa2c
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222 } else { |
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223 signo = sigwaitinfo(&set, &si); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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|
224 } |
60
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225 |
246
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226 if (signo == -1) { |
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parents:
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227 err = ngx_errno; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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228 } else { |
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229 err = 0; |
6753e8cdaa2c
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parents:
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230 } |
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nginx-0.0.1-2004-01-30-20:39:00 import
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|
231 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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232 ngx_gettimeofday(&tv); |
6753e8cdaa2c
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parents:
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233 ngx_time_update(tv.tv_sec); |
60
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parents:
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234 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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235 delta = ngx_elapsed_msec; |
6753e8cdaa2c
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236 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
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parents:
60
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|
237 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
238 if (err == -1) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
239 ngx_log_error(NGX_LOG_ALERT, c->log, err, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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240 timer ? "sigtimedwait() failed" : "sigwaitinfo() failed"); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
241 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
242 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
243 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
244 if (timer) { |
6753e8cdaa2c
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parents:
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|
245 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
|
246 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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|
247 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0, |
6753e8cdaa2c
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248 "sigio timer: %d, delta: %d", timer, (int) delta); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
249 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
250 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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251 sgcf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_sigio_module); |
60
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parents:
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|
252 |
247
008276b9e061
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parents:
246
diff
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|
253 if (signo == sgcf->signo) { |
246
6753e8cdaa2c
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parents:
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diff
changeset
|
254 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
255 /* STUB: old_cycles */ |
247
008276b9e061
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parents:
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|
256 c = &ngx_cycle->connections[si.si_fd]; |
246
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parents:
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|
257 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
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|
258 if (si.si_band & POLL_IN) { |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
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|
259 if (!c->read->active) { |
008276b9e061
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|
260 continue; |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
261 } |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
262 |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
263 c->read->ready = 1; |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
264 c->read->event_handler(c->read); |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
265 } |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
266 |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
267 if (si.si_band & POLL_OUT) { |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
268 if (!c->read->active) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
269 continue; |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
270 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
271 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
272 c->read->ready = 1; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
changeset
|
273 c->read->event_handler(c->read); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
274 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
275 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
changeset
|
276 } else if (signo == SIGIO) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
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changeset
|
277 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
278 "signal queue overflowed: " |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
changeset
|
279 "SIGIO, fd:%d, band:%d", si.si_fd, si.si_band); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
280 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
281 ngx_memzero(&sa, sizeof(struct sigaction)); |
008276b9e061
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parents:
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diff
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|
282 sa.sa_sigaction = SIG_DFL; |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
283 sigemptyset(&sa.sa_mask); |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
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|
284 if (sigaction(sgcf->signo, &sa, NULL) == -1) { |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
changeset
|
285 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
286 "sigaction queue overflowed: " |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
changeset
|
287 "SIGIO, fd:%d, band:%d", si.si_fd, si.si_band); |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
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parents:
246
diff
changeset
|
288 } |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
289 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
290 } else { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
291 ngx_log_error(NGX_LOG_ALERT, log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
292 timer ? "sigtimedwait() returned unexpected signal: %d": |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
293 "sigwaitinfo() returned unexpected signal: %d", |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
294 signo); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
295 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
296 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
297 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
298 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
299 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
300 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
301 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
302 |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
303 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
304 for (i = 0; i < events; i++) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
305 c = event_list[i].data.ptr; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
306 |
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307 instance = (uintptr_t) c & 1; |
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308 c = (ngx_connection_t *) ((uintptr_t) c & (uintptr_t) ~1); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
309 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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310 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0, |
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311 "sigio: fd:%d ev:%04X d:" PTR_FMT, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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312 c->fd, event_list[i].events, event_list[i].data); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
313 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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314 if (c->read->instance != instance) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
315 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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316 /* |
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317 * it's a stale event from a file descriptor |
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nginx-0.0.1-2004-01-30-20:39:00 import
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318 * that was just closed in this iteration |
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nginx-0.0.1-2004-01-30-20:39:00 import
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319 */ |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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320 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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321 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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322 "sigio: stale event " PTR_FMT, c); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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323 continue; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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324 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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325 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
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326 if (event_list[i].events & EPOLLOUT) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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327 if (!c->write->active) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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328 continue; |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
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329 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
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changeset
|
330 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
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331 c->write->ready = 1; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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332 c->write->event_handler(c->write); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
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|
333 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
334 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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335 if (event_list[i].events & (EPOLLERR|EPOLLHUP)) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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336 ngx_log_error(NGX_LOG_ALERT, log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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337 "sigio_wait() error on fd:%d ev:%d", |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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338 c->fd, event_list[i].events); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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339 continue; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
340 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
341 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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342 if (event_list[i].events & ~(EPOLLIN|EPOLLOUT)) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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343 ngx_log_error(NGX_LOG_ALERT, log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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344 "sigio_wait() returned strange events on fd:%d ev:%d", |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
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345 c->fd, event_list[i].events); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
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346 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
347 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
348 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
349 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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350 if (timer != (ngx_msec_t) -1 && delta) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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351 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
|
352 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
353 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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354 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
355 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
356 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
357 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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358 static void *ngx_sigio_create_conf(ngx_cycle_t *cycle) |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
359 { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
360 ngx_sigio_conf_t *sgcf; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
361 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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362 ngx_test_null(sgcf, ngx_palloc(cycle->pool, sizeof(ngx_sigio_conf_t)), |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
363 NGX_CONF_ERROR); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
364 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
365 sgcf->events = NGX_CONF_UNSET; |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
366 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
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|
367 return epcf; |
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 |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
370 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
371 static char *ngx_sigio_init_conf(ngx_cycle_t *cycle, void *conf) |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
372 { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
373 ngx_sigio_conf_t *sgcf = conf; |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
374 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
375 /* LinuxThreads uses the first 3 RT signals */ |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
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|
376 ngx_conf_init_unsigned_value(sgcf->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
|
377 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
378 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
|
379 } |