Mercurial > hg > nginx-quic
annotate src/event/modules/ngx_sigio_module.c @ 246:6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 30 Jan 2004 17:39:00 +0000 |
parents | 50186b49f2ad |
children | 008276b9e061 |
rev | line source |
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246
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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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15 |
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16 #endif |
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17 |
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18 |
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19 typedef struct { |
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20 int signal; |
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21 } ngx_sigio_conf_t; |
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22 |
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23 |
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24 static int ngx_sigio_init(ngx_cycle_t *cycle); |
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25 static void ngx_sigio_done(ngx_cycle_t *cycle); |
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26 static int ngx_sigio_add_event(ngx_event_t *ev, int event, u_int flags); |
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27 static int ngx_sigio_del_event(ngx_event_t *ev, int event, u_int flags); |
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28 static int ngx_sigio_add_connection(ngx_connection_t *c); |
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29 static int ngx_sigio_del_connection(ngx_connection_t *c); |
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30 static int ngx_sigio_process_events(ngx_log_t *log); |
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31 |
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32 static void *ngx_sigio_create_conf(ngx_cycle_t *cycle); |
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33 static char *ngx_sigio_init_conf(ngx_cycle_t *cycle, void *conf); |
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34 |
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35 |
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36 static sigset_t set; |
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37 |
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38 |
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39 static ngx_str_t sigio_name = ngx_string("sigio"); |
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40 |
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41 static ngx_command_t ngx_sigio_commands[] = { |
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42 |
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43 {ngx_string("sigio_signal"), |
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44 NGX_EVENT_CONF|NGX_CONF_TAKE1, |
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45 ngx_conf_set_num_slot, |
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46 0, |
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47 offsetof(ngx_sigio_conf_t, signal), |
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48 NULL}, |
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49 |
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50 ngx_null_command |
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51 }; |
60
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52 |
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53 |
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54 ngx_event_module_t ngx_sigio_module_ctx = { |
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55 &sigio_name, |
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56 ngx_sigio_create_conf, /* create configuration */ |
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57 ngx_sigio_init_conf, /* init configuration */ |
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58 |
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59 { |
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60 ngx_sigio_add_event, /* add an event */ |
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61 ngx_sigio_del_event, /* delete an event */ |
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62 ngx_sigio_add_event, /* enable an event */ |
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63 ngx_sigio_del_event, /* disable an event */ |
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64 ngx_sigio_add_connection, /* add an connection */ |
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65 ngx_sigio_del_connection, /* delete an connection */ |
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66 ngx_sigio_process_events, /* process the events */ |
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67 ngx_sigio_init, /* init the events */ |
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68 ngx_sigio_done, /* done the events */ |
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69 } |
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70 |
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71 }; |
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72 |
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73 ngx_module_t ngx_sigio_module = { |
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74 NGX_MODULE, |
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75 &ngx_sigio_module_ctx, /* module context */ |
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76 ngx_sigio_commands, /* module directives */ |
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77 NGX_EVENT_MODULE, /* module type */ |
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78 NULL, /* init module */ |
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79 NULL /* init child */ |
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80 }; |
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81 |
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82 |
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83 static int ngx_sigio_init(ngx_cycle_t *cycle) |
60
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84 { |
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85 ngx_sigio_conf_t *sgcf; |
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86 |
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87 sgcf = ngx_event_get_conf(cycle->conf_ctx, ngx_sigio_module); |
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88 |
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89 sigemptyset(&set); |
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90 sigaddset(&set, sgcf->signal); |
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91 sigaddset(&set, SIGIO); |
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92 |
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93 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { |
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94 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
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95 "sigprocmask() failed"); |
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96 return NGX_ERROR; |
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97 } |
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98 |
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99 ngx_io = ngx_os_io; |
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100 |
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101 ngx_event_actions = ngx_sigio_module_ctx.actions; |
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102 |
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103 ngx_event_flags = NGX_USE_SIGIO_EVENT; |
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104 |
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105 return NGX_OK; |
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106 } |
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107 |
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108 |
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109 static void ngx_sigio_done(ngx_cycle_t *cycle) |
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110 { |
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111 } |
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112 |
60
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113 |
246
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114 static int ngx_sigio_add_event(ngx_event_t *ev, int event, u_int flags) |
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115 { |
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116 ngx_connection_t *c; |
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117 |
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118 c = ev->data; |
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119 |
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120 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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121 "sigio add event: fd:%d ev:%04X", c->fd, event); |
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122 |
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123 return NGX_OK; |
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124 } |
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125 |
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126 |
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127 static int ngx_sigio_del_event(ngx_event_t *ev, int event, u_int flags) |
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128 { |
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129 ngx_connection_t *c; |
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130 |
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131 c = ev->data; |
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132 |
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133 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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134 "sigio del event: fd:%d ev:%04X", c->fd, event); |
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135 |
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136 return NGX_OK; |
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
137 } |
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|
138 |
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139 |
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140 static int ngx_sigio_add_connection(ngx_connection_t *c) |
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|
141 { |
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|
142 ngx_sigio_conf_t *sgcf; |
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|
143 |
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144 sgcf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_sigio_module); |
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|
145 |
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146 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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147 "sigio add connection: fd:%d signo:%d", c->fd, sgcf->signal); |
60
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|
148 |
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149 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) { |
246
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150 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
60
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|
151 "fcntl(O_RDWR|O_NONBLOCK|O_ASYNC) failed"); |
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152 return NGX_ERROR; |
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|
153 } |
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|
154 |
246
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|
155 if (fcntl(c->fd, F_SETSIG, sgcf->signal) == -1) { |
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|
156 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
60
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|
157 "fcntl(F_SETSIG) failed"); |
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|
158 return NGX_ERROR; |
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|
159 } |
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|
160 |
246
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60
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|
161 if (fcntl(c->fd, F_SETOWN, ngx_getpid()) == -1) { |
6753e8cdaa2c
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|
162 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
60
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|
163 "fcntl(F_SETOWN) failed"); |
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|
164 return NGX_ERROR; |
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|
165 } |
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|
166 |
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|
167 #if (HAVE_ONESIGFD) |
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|
168 if (fcntl(c->fd, F_SETAUXFL, O_ONESIGFD) == -1) { |
246
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60
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|
169 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
60
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|
170 "fcntl(F_SETAUXFL) failed"); |
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|
171 return NGX_ERROR; |
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parents:
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|
172 } |
50186b49f2ad
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|
173 #endif |
50186b49f2ad
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|
174 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
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60
diff
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|
175 c->read->active = 1; |
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60
diff
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|
176 c->write->active = 1; |
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60
diff
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|
177 |
60
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|
178 return NGX_OK; |
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|
179 } |
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|
180 |
246
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60
diff
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|
181 |
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60
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|
182 static int ngx_sigio_del_connection(ngx_connection_t *c) |
6753e8cdaa2c
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diff
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|
183 { |
6753e8cdaa2c
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diff
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|
184 c->read->active = 0; |
6753e8cdaa2c
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diff
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|
185 c->write->active = 0; |
6753e8cdaa2c
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parents:
60
diff
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|
186 |
6753e8cdaa2c
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|
187 return NGX_OK; |
6753e8cdaa2c
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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 |
60
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nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 int ngx_sigio_process_events(ngx_log_t *log) |
50186b49f2ad
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|
192 { |
246
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60
diff
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|
193 int signo; |
6753e8cdaa2c
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60
diff
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|
194 ngx_int_t instance, i; |
6753e8cdaa2c
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60
diff
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|
195 size_t n; |
6753e8cdaa2c
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60
diff
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|
196 ngx_msec_t timer; |
6753e8cdaa2c
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60
diff
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|
197 ngx_err_t err; |
6753e8cdaa2c
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60
diff
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|
198 ngx_cycle_t **cycle; |
6753e8cdaa2c
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60
diff
changeset
|
199 siginfo_t si; |
6753e8cdaa2c
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60
diff
changeset
|
200 struct timeval tv; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
changeset
|
201 struct timespec ts; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
202 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
|
203 ngx_epoch_msec_t delta; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
204 ngx_sigio_conf_t *sgcf; |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
diff
changeset
|
205 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
changeset
|
206 timer = ngx_event_find_timer(); |
6753e8cdaa2c
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parents:
60
diff
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|
207 ngx_old_elapsed_msec = ngx_elapsed_msec; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
208 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
209 if (timer) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
changeset
|
210 ts.tv_sec = timer / 1000; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
changeset
|
211 ts.tv_nsec = (timer % 1000) * 1000000; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
212 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
214 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, "sigio timer: %d", timer); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
215 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
216 if (timer) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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217 signo = sigtimedwait(&set, &si, &ts); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
218 } else { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
219 signo = sigwaitinfo(&set, &si); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
220 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
222 if (signo == -1) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
223 err = ngx_errno; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
224 } else { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
225 err = 0; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
226 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
227 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
228 ngx_gettimeofday(&tv); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
229 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
|
230 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
231 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
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232 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
|
233 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
234 if (err == -1) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
235 ngx_log_error(NGX_LOG_ALERT, c->log, err, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
236 timer ? "sigtimedwait() failed" : "sigwaitinfo() failed"); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
237 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
238 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
240 if (timer) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
241 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
|
242 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
243 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
244 "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
changeset
|
245 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
246 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
247 sgcf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_sigio_module); |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
248 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
249 if (signo == sgcf->signal) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
250 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
251 /* STUB: old_cycles */ |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
252 c = &ngx_connections[si.si_fd]; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
253 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
254 if (si.si_band & EPOLLIN) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
255 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
|
256 continue; |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
258 |
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
|
259 c->read->ready = 1; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
260 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
|
261 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
262 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
263 } else if (signo == SIGIO) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
264 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
|
265 "signal queue overflowed: " |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
266 "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
|
267 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
268 } else { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
269 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
|
270 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
|
271 "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
|
272 signo); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
273 return NGX_ERROR; |
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
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
276 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
277 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
278 |
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 |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
281 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
282 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
|
283 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
|
284 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
285 instance = (uintptr_t) c & 1; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
286 c = (ngx_connection_t *) ((uintptr_t) c & (uintptr_t) ~1); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
287 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
288 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
289 "sigio: fd:%d ev:%04X d:" PTR_FMT, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
290 c->fd, event_list[i].events, event_list[i].data); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
291 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
292 if (c->read->instance != instance) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
293 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
294 /* |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
295 * it's a stale event from a file descriptor |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
296 * that was just closed in this iteration |
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 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, log, 0, |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
300 "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
changeset
|
301 continue; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
302 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
303 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
304 if (event_list[i].events & EPOLLOUT) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
305 if (!c->write->active) { |
6753e8cdaa2c
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306 continue; |
60
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307 } |
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308 |
246
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309 c->write->ready = 1; |
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310 c->write->event_handler(c->write); |
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311 } |
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312 |
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313 if (event_list[i].events & (EPOLLERR|EPOLLHUP)) { |
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314 ngx_log_error(NGX_LOG_ALERT, log, 0, |
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315 "sigio_wait() error on fd:%d ev:%d", |
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316 c->fd, event_list[i].events); |
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317 continue; |
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318 } |
60
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319 |
246
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320 if (event_list[i].events & ~(EPOLLIN|EPOLLOUT)) { |
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321 ngx_log_error(NGX_LOG_ALERT, log, 0, |
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322 "sigio_wait() returned strange events on fd:%d ev:%d", |
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323 c->fd, event_list[i].events); |
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324 } |
60
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325 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
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326 } |
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nginx-0.0.1-2004-01-30-20:39:00 import
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327 |
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328 if (timer != (ngx_msec_t) -1 && delta) { |
6753e8cdaa2c
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329 ngx_event_expire_timers((ngx_msec_t) delta); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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330 } |
60
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331 |
246
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332 return NGX_OK; |
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nginx-0.0.1-2004-01-30-20:39:00 import
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diff
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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 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
335 |
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336 static void *ngx_sigio_create_conf(ngx_cycle_t *cycle) |
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337 { |
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338 ngx_sigio_conf_t *sgcf; |
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nginx-0.0.1-2004-01-30-20:39:00 import
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339 |
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340 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
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341 NGX_CONF_ERROR); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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diff
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342 |
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nginx-0.0.1-2004-01-30-20:39:00 import
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diff
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343 sgcf->events = NGX_CONF_UNSET; |
60
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344 |
246
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345 return epcf; |
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346 } |
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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347 |
60
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Igor Sysoev <igor@sysoev.ru>
parents:
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|
348 |
246
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349 static char *ngx_sigio_init_conf(ngx_cycle_t *cycle, void *conf) |
6753e8cdaa2c
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350 { |
6753e8cdaa2c
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60
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351 ngx_sigio_conf_t *sgcf = conf; |
60
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|
352 |
246
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353 ngx_conf_init_unsigned_value(sgcf->signal, SIGRTMIN); |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
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|
354 |
6753e8cdaa2c
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Igor Sysoev <igor@sysoev.ru>
parents:
60
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355 return NGX_CONF_OK; |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
diff
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356 } |