Mercurial > hg > nginx
annotate src/event/modules/ngx_rtsig_module.c @ 5106:afee87b8190a
SSL: Next Protocol Negotiation extension support.
Not only this is useful for the upcoming SPDY support, but it can
also help to improve HTTPS performance by enabling TLS False Start
in Chrome/Chromium browsers [1]. So, we always enable NPN for HTTPS
if it is supported by OpenSSL.
[1] http://www.imperialviolet.org/2012/04/11/falsestart.html
| author | Valentin Bartenev <vbart@nginx.com> |
|---|---|
| date | Thu, 07 Mar 2013 18:21:28 +0000 |
| parents | 4c36e15651f7 |
| children | 3377f9459e99 |
| rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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| 469 | 13 #if (NGX_TEST_BUILD_RTSIG) |
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15 #if (NGX_DARWIN) |
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16 |
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17 #define SIGRTMIN 33 |
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18 #define si_fd __pad[0] |
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19 |
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20 #else |
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21 |
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22 #ifdef SIGRTMIN |
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23 #define si_fd _reason.__spare__.__spare2__[0] |
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24 #else |
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25 #define SIGRTMIN 33 |
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26 #define si_fd __spare__[0] |
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27 #endif |
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28 |
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29 #endif |
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31 #define F_SETSIG 10 |
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32 #define KERN_RTSIGNR 30 |
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33 #define KERN_RTSIGMAX 31 |
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35 int sigtimedwait(const sigset_t *set, siginfo_t *info, |
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36 const struct timespec *timeout); |
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37 |
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38 int sigtimedwait(const sigset_t *set, siginfo_t *info, |
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39 const struct timespec *timeout) |
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40 { |
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41 return -1; |
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42 } |
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44 int ngx_linux_rtsig_max; |
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45 |
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46 #endif |
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49 typedef struct { |
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50 ngx_uint_t signo; |
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51 ngx_uint_t overflow_events; |
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52 ngx_uint_t overflow_test; |
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53 ngx_uint_t overflow_threshold; |
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54 } ngx_rtsig_conf_t; |
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57 extern ngx_event_module_t ngx_poll_module_ctx; |
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| 563 | 59 static ngx_int_t ngx_rtsig_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
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60 static void ngx_rtsig_done(ngx_cycle_t *cycle); |
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61 static ngx_int_t ngx_rtsig_add_connection(ngx_connection_t *c); |
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62 static ngx_int_t ngx_rtsig_del_connection(ngx_connection_t *c, |
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63 ngx_uint_t flags); |
| 563 | 64 static ngx_int_t ngx_rtsig_process_events(ngx_cycle_t *cycle, |
| 65 ngx_msec_t timer, ngx_uint_t flags); | |
| 66 static ngx_int_t ngx_rtsig_process_overflow(ngx_cycle_t *cycle, | |
| 67 ngx_msec_t timer, ngx_uint_t flags); | |
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68 |
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69 static void *ngx_rtsig_create_conf(ngx_cycle_t *cycle); |
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70 static char *ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf); |
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71 static char *ngx_check_ngx_overflow_threshold_bounds(ngx_conf_t *cf, |
| 499 | 72 void *post, void *data); |
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73 |
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74 |
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75 static sigset_t set; |
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76 static ngx_uint_t overflow, overflow_current; |
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77 static struct pollfd *overflow_list; |
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78 |
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80 static ngx_str_t rtsig_name = ngx_string("rtsig"); |
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81 |
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82 static ngx_conf_num_bounds_t ngx_overflow_threshold_bounds = { |
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83 ngx_check_ngx_overflow_threshold_bounds, 2, 10 |
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84 }; |
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85 |
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86 |
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87 static ngx_command_t ngx_rtsig_commands[] = { |
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88 |
| 499 | 89 { ngx_string("rtsig_signo"), |
| 90 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| 91 ngx_conf_set_num_slot, | |
| 92 0, | |
| 93 offsetof(ngx_rtsig_conf_t, signo), | |
| 94 NULL }, | |
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| 499 | 96 { ngx_string("rtsig_overflow_events"), |
| 97 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| 98 ngx_conf_set_num_slot, | |
| 99 0, | |
| 100 offsetof(ngx_rtsig_conf_t, overflow_events), | |
| 101 NULL }, | |
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102 |
| 499 | 103 { ngx_string("rtsig_overflow_test"), |
| 104 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| 105 ngx_conf_set_num_slot, | |
| 106 0, | |
| 107 offsetof(ngx_rtsig_conf_t, overflow_test), | |
| 108 NULL }, | |
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109 |
| 499 | 110 { ngx_string("rtsig_overflow_threshold"), |
| 111 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
| 112 ngx_conf_set_num_slot, | |
| 113 0, | |
| 114 offsetof(ngx_rtsig_conf_t, overflow_threshold), | |
| 115 &ngx_overflow_threshold_bounds }, | |
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116 |
| 499 | 117 ngx_null_command |
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118 }; |
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119 |
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120 |
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121 ngx_event_module_t ngx_rtsig_module_ctx = { |
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122 &rtsig_name, |
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123 ngx_rtsig_create_conf, /* create configuration */ |
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124 ngx_rtsig_init_conf, /* init configuration */ |
|
246
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125 |
|
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diff
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126 { |
|
260
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127 NULL, /* add an event */ |
|
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128 NULL, /* delete an event */ |
|
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129 NULL, /* enable an event */ |
|
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130 NULL, /* disable an event */ |
|
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131 ngx_rtsig_add_connection, /* add an connection */ |
|
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132 ngx_rtsig_del_connection, /* delete an connection */ |
|
380
5ce6561246a5
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parents:
375
diff
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133 NULL, /* process the changes */ |
|
260
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134 ngx_rtsig_process_events, /* process the events */ |
|
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135 ngx_rtsig_init, /* init the events */ |
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136 ngx_rtsig_done, /* done the events */ |
|
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137 } |
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138 |
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139 }; |
|
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140 |
|
260
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141 ngx_module_t ngx_rtsig_module = { |
| 509 | 142 NGX_MODULE_V1, |
|
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143 &ngx_rtsig_module_ctx, /* module context */ |
|
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144 ngx_rtsig_commands, /* module directives */ |
| 499 | 145 NGX_EVENT_MODULE, /* module type */ |
| 541 | 146 NULL, /* init master */ |
| 499 | 147 NULL, /* init module */ |
| 541 | 148 NULL, /* init process */ |
| 149 NULL, /* init thread */ | |
| 150 NULL, /* exit thread */ | |
| 151 NULL, /* exit process */ | |
| 152 NULL, /* exit master */ | |
| 153 NGX_MODULE_V1_PADDING | |
|
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154 }; |
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155 |
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156 |
| 499 | 157 static ngx_int_t |
| 563 | 158 ngx_rtsig_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
|
60
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159 { |
|
260
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160 ngx_rtsig_conf_t *rtscf; |
|
246
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161 |
|
260
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162 rtscf = ngx_event_get_conf(cycle->conf_ctx, ngx_rtsig_module); |
|
246
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163 |
|
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164 sigemptyset(&set); |
|
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165 sigaddset(&set, (int) rtscf->signo); |
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166 sigaddset(&set, (int) rtscf->signo + 1); |
|
246
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|
167 sigaddset(&set, SIGIO); |
| 563 | 168 sigaddset(&set, SIGALRM); |
|
246
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|
169 |
|
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170 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { |
|
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171 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
|
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172 "sigprocmask() failed"); |
|
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173 return NGX_ERROR; |
|
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|
174 } |
|
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60
diff
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|
175 |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
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parents:
350
diff
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|
176 if (overflow_list) { |
|
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350
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|
177 ngx_free(overflow_list); |
|
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parents:
350
diff
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|
178 } |
|
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350
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|
179 |
|
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180 overflow_list = ngx_alloc(sizeof(struct pollfd) * rtscf->overflow_events, |
|
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nginx-0.0.4-2004-06-10-22:36:57 import
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parents:
350
diff
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|
181 cycle->log); |
|
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diff
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|
182 if (overflow_list == NULL) { |
|
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183 return NGX_ERROR; |
|
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nginx-0.0.4-2004-06-10-22:36:57 import
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parents:
350
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|
184 } |
|
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350
diff
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|
185 |
|
246
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|
186 ngx_io = ngx_os_io; |
|
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|
187 |
|
260
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188 ngx_event_actions = ngx_rtsig_module_ctx.actions; |
|
246
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|
189 |
| 543 | 190 ngx_event_flags = NGX_USE_RTSIG_EVENT |
| 191 |NGX_USE_GREEDY_EVENT | |
| 192 |NGX_USE_FD_EVENT; | |
|
246
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|
193 |
|
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|
194 return NGX_OK; |
|
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60
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|
195 } |
|
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60
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|
196 |
|
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|
197 |
| 499 | 198 static void |
| 199 ngx_rtsig_done(ngx_cycle_t *cycle) | |
|
246
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|
200 { |
| 452 | 201 ngx_free(overflow_list); |
| 202 | |
| 203 overflow_list = NULL; | |
|
246
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|
204 } |
|
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60
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|
205 |
|
60
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|
206 |
| 499 | 207 static ngx_int_t |
| 208 ngx_rtsig_add_connection(ngx_connection_t *c) | |
|
246
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|
209 { |
|
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210 ngx_uint_t signo; |
|
260
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211 ngx_rtsig_conf_t *rtscf; |
|
246
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60
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|
212 |
|
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
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parents:
348
diff
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|
213 if (c->read->accept && c->read->disabled) { |
|
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
352
diff
changeset
|
214 |
|
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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352
diff
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|
215 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
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nginx-0.0.7-2004-06-15-11:55:11 import
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352
diff
changeset
|
216 "rtsig enable connection: fd:%d", c->fd); |
|
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
352
diff
changeset
|
217 |
|
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
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parents:
348
diff
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|
218 if (fcntl(c->fd, F_SETOWN, ngx_pid) == -1) { |
|
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348
diff
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|
219 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
|
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348
diff
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|
220 "fcntl(F_SETOWN) failed"); |
|
a958aa92f9a5
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348
diff
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|
221 return NGX_ERROR; |
|
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nginx-0.0.4-2004-06-09-20:36:55 import
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parents:
348
diff
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|
222 } |
|
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348
diff
changeset
|
223 |
|
a958aa92f9a5
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348
diff
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|
224 c->read->active = 1; |
|
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diff
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|
225 c->read->disabled = 0; |
|
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348
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|
226 } |
|
a958aa92f9a5
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parents:
348
diff
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|
227 |
|
260
5dacbb4daaf6
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247
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|
228 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module); |
|
246
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60
diff
changeset
|
229 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
230 signo = rtscf->signo + c->read->instance; |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
231 |
|
246
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diff
changeset
|
232 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
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233 "rtsig add connection: fd:%d signo:%ui", c->fd, signo); |
|
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
diff
changeset
|
234 |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
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parents:
diff
changeset
|
235 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) { |
|
246
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parents:
60
diff
changeset
|
236 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
|
237 "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
|
238 return NGX_ERROR; |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 } |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
240 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
241 if (fcntl(c->fd, F_SETSIG, (int) signo) == -1) { |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
242 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
|
243 "fcntl(F_SETSIG) failed"); |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
244 return NGX_ERROR; |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
245 } |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
246 |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
247 if (fcntl(c->fd, F_SETOWN, ngx_pid) == -1) { |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
248 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
|
249 "fcntl(F_SETOWN) failed"); |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
250 return NGX_ERROR; |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
251 } |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
252 |
| 469 | 253 #if (NGX_HAVE_ONESIGFD) |
|
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
254 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
|
255 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
|
256 "fcntl(F_SETAUXFL) failed"); |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
257 return NGX_ERROR; |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
258 } |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
259 #endif |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
260 |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
261 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
|
262 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
|
263 |
|
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
264 return NGX_OK; |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
265 } |
|
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
266 |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
267 |
| 499 | 268 static ngx_int_t |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
269 ngx_rtsig_del_connection(ngx_connection_t *c, ngx_uint_t flags) |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
270 { |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
271 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
272 "rtsig del connection: fd:%d", c->fd); |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
273 |
|
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
274 if ((flags & NGX_DISABLE_EVENT) && c->read->accept) { |
|
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
275 |
|
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
276 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
|
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
277 "rtsig disable connection: fd:%d", c->fd); |
|
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
278 |
|
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
279 c->read->active = 0; |
|
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
280 c->read->disabled = 1; |
|
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
281 return NGX_OK; |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
282 } |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
283 |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
284 if (flags & NGX_CLOSE_EVENT) { |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
285 c->read->active = 0; |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
286 c->write->active = 0; |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
287 return NGX_OK; |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
288 } |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
289 |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
290 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK) == -1) { |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
291 ngx_log_error(NGX_LOG_ALERT, c->log, ngx_errno, |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
292 "fcntl(O_RDWR|O_NONBLOCK) failed"); |
|
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
293 return NGX_ERROR; |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
294 } |
|
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
295 |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
296 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
|
297 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
|
298 |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
299 return NGX_OK; |
|
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 |
| 499 | 303 static ngx_int_t |
| 563 | 304 ngx_rtsig_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags) |
|
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
305 { |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
306 int signo; |
| 501 | 307 ngx_int_t instance; |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
308 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
|
309 siginfo_t si; |
| 573 | 310 ngx_event_t *rev, *wev, **queue; |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
311 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
|
312 struct sigaction sa; |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
313 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
|
314 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
|
315 |
|
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
316 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
|
317 tp = NULL; |
|
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
318 |
|
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
319 } else { |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
320 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
|
321 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
|
322 tp = &ts; |
|
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
323 } |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
324 |
|
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
325 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
| 557 | 326 "rtsig timer: %M", timer); |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
327 |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
328 /* Linux's sigwaitinfo() is sigtimedwait() with the NULL timeout pointer */ |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
329 |
|
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
330 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
|
331 |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
332 if (signo == -1) { |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
333 err = ngx_errno; |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
334 |
|
382
449c4885dcd1
nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
335 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, err, |
|
449c4885dcd1
nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
336 "rtsig signo:%d", signo); |
|
449c4885dcd1
nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
337 |
| 567 | 338 if (flags & NGX_UPDATE_TIME) { |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
339 ngx_time_update(); |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
340 } |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
341 |
| 567 | 342 if (err == NGX_EAGAIN) { |
| 343 | |
| 344 /* timeout */ | |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
345 |
| 567 | 346 if (timer != NGX_TIMER_INFINITE) { |
| 347 return NGX_AGAIN; | |
| 348 } | |
| 577 | 349 |
| 567 | 350 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
| 351 "sigtimedwait() returned EAGAIN without timeout"); | |
| 352 return NGX_ERROR; | |
| 353 } | |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
354 |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
355 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT, |
|
305
4b1a3a4acc60
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Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
356 cycle->log, err, "sigtimedwait() failed"); |
|
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
|
357 return NGX_ERROR; |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
358 } |
|
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
359 |
| 567 | 360 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
| 361 "rtsig signo:%d fd:%d band:%04Xd", | |
| 362 signo, 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
|
363 |
| 567 | 364 if (flags & NGX_UPDATE_TIME) { |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
365 ngx_time_update(); |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
366 } |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
367 |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
368 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module); |
|
246
6753e8cdaa2c
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Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
369 |
|
1354
f69d1aab6a0f
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parents:
577
diff
changeset
|
370 if (signo == (int) rtscf->signo || signo == (int) rtscf->signo + 1) { |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
371 |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
372 if (overflow && (ngx_uint_t) si.si_fd > overflow_current) { |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
373 return NGX_OK; |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
374 } |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
375 |
| 551 | 376 c = ngx_cycle->files[si.si_fd]; |
| 377 | |
| 378 if (c == NULL) { | |
| 563 | 379 |
| 551 | 380 /* the stale event */ |
|
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
381 |
| 551 | 382 return NGX_OK; |
| 383 } | |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
384 |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
385 instance = signo - (int) rtscf->signo; |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
386 |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
387 rev = c->read; |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
388 |
| 563 | 389 if (rev->instance != instance) { |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
390 |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
391 /* |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
392 * the stale event from a file descriptor |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
393 * that was just closed in this iteration |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
394 */ |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
395 |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
396 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
| 461 | 397 "rtsig: stale event %p", c); |
|
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
398 |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
399 return NGX_OK; |
|
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
400 } |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
401 |
| 563 | 402 if ((si.si_band & (POLLIN|POLLHUP|POLLERR)) && rev->active) { |
| 573 | 403 |
| 563 | 404 rev->ready = 1; |
| 573 | 405 |
| 406 if (flags & NGX_POST_EVENTS) { | |
| 407 queue = (ngx_event_t **) (rev->accept ? | |
| 408 &ngx_posted_accept_events : &ngx_posted_events); | |
| 409 | |
| 410 ngx_locked_post_event(rev, queue); | |
| 411 | |
| 577 | 412 } else { |
| 573 | 413 rev->handler(rev); |
| 414 } | |
|
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
415 } |
|
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
416 |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
417 wev = c->write; |
|
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
418 |
| 563 | 419 if ((si.si_band & (POLLOUT|POLLHUP|POLLERR)) && wev->active) { |
| 573 | 420 |
| 563 | 421 wev->ready = 1; |
| 573 | 422 |
| 423 if (flags & NGX_POST_EVENTS) { | |
| 424 ngx_locked_post_event(wev, &ngx_posted_events); | |
| 425 | |
| 426 } else { | |
| 427 wev->handler(wev); | |
| 428 } | |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
429 } |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
430 |
| 567 | 431 return NGX_OK; |
| 432 | |
| 563 | 433 } else if (signo == SIGALRM) { |
| 434 | |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
435 ngx_time_update(); |
| 567 | 436 |
| 563 | 437 return NGX_OK; |
| 438 | |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
439 } 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
|
440 |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
441 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
442 "rt signal queue overflowed"); |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
443 |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
444 /* flush the RT signal queue */ |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
445 |
|
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
446 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
|
447 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
|
448 sigemptyset(&sa.sa_mask); |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
449 |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
450 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
|
451 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
|
452 "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
|
453 } |
|
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
454 |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
455 if (sigaction(rtscf->signo + 1, &sa, NULL) == -1) { |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
456 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
457 "sigaction(%d, SIG_DFL) failed", rtscf->signo + 1); |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
458 } |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
459 |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
460 overflow = 1; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
461 overflow_current = 0; |
|
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
462 ngx_event_actions.process_events = ngx_rtsig_process_overflow; |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
463 |
|
352
694d7ddc3599
nginx-0.0.4-2004-06-11-10:15:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
351
diff
changeset
|
464 return NGX_ERROR; |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
465 |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
466 } |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
467 |
| 567 | 468 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
| 469 "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
|
470 |
| 567 | 471 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
|
472 } |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
473 |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
474 |
| 499 | 475 static ngx_int_t |
| 563 | 476 ngx_rtsig_process_overflow(ngx_cycle_t *cycle, ngx_msec_t timer, |
| 477 ngx_uint_t flags) | |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
478 { |
|
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
479 int name[2], rtsig_max, rtsig_nr, events, ready; |
|
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
480 size_t len; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
481 ngx_err_t err; |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
482 ngx_uint_t tested, n, i; |
| 563 | 483 ngx_event_t *rev, *wev, **queue; |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
484 ngx_connection_t *c; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
485 ngx_rtsig_conf_t *rtscf; |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
486 |
| 563 | 487 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
| 488 "rtsig process overflow"); | |
| 489 | |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
490 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module); |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
491 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
492 tested = 0; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
493 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
494 for ( ;; ) { |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
495 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
496 n = 0; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
497 while (n < rtscf->overflow_events) { |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
498 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
499 if (overflow_current == cycle->connection_n) { |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
500 break; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
501 } |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
502 |
| 543 | 503 c = cycle->files[overflow_current++]; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
504 |
| 559 | 505 if (c == NULL || c->fd == -1) { |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
506 continue; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
507 } |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
508 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
509 events = 0; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
510 |
| 509 | 511 if (c->read->active && c->read->handler) { |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
512 events |= POLLIN; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
513 } |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
514 |
| 509 | 515 if (c->write->active && c->write->handler) { |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
516 events |= POLLOUT; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
517 } |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
518 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
519 if (events == 0) { |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
520 continue; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
521 } |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
522 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
523 overflow_list[n].fd = c->fd; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
524 overflow_list[n].events = events; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
525 overflow_list[n].revents = 0; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
526 n++; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
527 } |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
528 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
529 if (n == 0) { |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
530 break; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
531 } |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
532 |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
533 for ( ;; ) { |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
534 ready = poll(overflow_list, n, 0); |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
535 |
| 563 | 536 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
| 537 "rtsig overflow poll:%d", ready); | |
| 538 | |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
539 if (ready == -1) { |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
540 err = ngx_errno; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
541 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT, |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
542 cycle->log, 0, |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
543 "poll() failed while the overflow recover"); |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
544 |
|
402
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
545 if (err == NGX_EINTR) { |
|
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
546 continue; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
547 } |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
548 } |
|
402
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
549 |
|
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
550 break; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
551 } |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
552 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
553 if (ready <= 0) { |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
554 continue; |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
555 } |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
556 |
| 563 | 557 ngx_mutex_lock(ngx_posted_events_mutex); |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
558 |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
559 for (i = 0; i < n; i++) { |
| 543 | 560 c = cycle->files[overflow_list[i].fd]; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
561 |
| 559 | 562 if (c == NULL) { |
| 563 continue; | |
| 564 } | |
| 565 | |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
566 rev = c->read; |
|
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
567 |
|
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
568 if (rev->active |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
569 && !rev->closed |
| 509 | 570 && rev->handler |
|
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
571 && (overflow_list[i].revents |
|
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
572 & (POLLIN|POLLERR|POLLHUP|POLLNVAL))) |
|
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
573 { |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
574 tested++; |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
575 |
| 563 | 576 if ((flags & NGX_POST_THREAD_EVENTS) && !rev->accept) { |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
577 rev->posted_ready = 1; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
578 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
579 } else { |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
580 rev->ready = 1; |
| 563 | 581 } |
| 582 | |
| 583 if (flags & NGX_POST_EVENTS) { | |
| 584 queue = (ngx_event_t **) (rev->accept ? | |
| 585 &ngx_posted_accept_events : &ngx_posted_events); | |
| 586 | |
| 587 ngx_locked_post_event(rev, queue); | |
| 588 | |
| 589 } else { | |
| 590 rev->handler(rev); | |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
591 } |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
592 } |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
593 |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
594 wev = c->write; |
|
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
595 |
|
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
596 if (wev->active |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
597 && !wev->closed |
| 509 | 598 && wev->handler |
|
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
599 && (overflow_list[i].revents |
|
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
600 & (POLLOUT|POLLERR|POLLHUP|POLLNVAL))) |
|
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
601 { |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
602 tested++; |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
603 |
| 563 | 604 if (flags & NGX_POST_THREAD_EVENTS) { |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
605 wev->posted_ready = 1; |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
606 |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
607 } else { |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
608 wev->ready = 1; |
| 563 | 609 } |
| 610 | |
| 611 if (flags & NGX_POST_EVENTS) { | |
| 612 ngx_locked_post_event(wev, &ngx_posted_events); | |
| 613 | |
| 614 } else { | |
| 615 wev->handler(wev); | |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
616 } |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
617 } |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
618 } |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
619 |
|
402
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
620 ngx_mutex_unlock(ngx_posted_events_mutex); |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
621 |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
622 if (tested >= rtscf->overflow_test) { |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
623 |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
624 if (ngx_linux_rtsig_max) { |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
625 |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
626 /* |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
627 * Check the current rt queue length to prevent |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
628 * the new overflow. |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
629 * |
| 563 | 630 * learn the "/proc/sys/kernel/rtsig-max" value because |
| 631 * it can be changed since the last checking | |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
632 */ |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
633 |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
634 name[0] = CTL_KERN; |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
635 name[1] = KERN_RTSIGMAX; |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
636 len = sizeof(rtsig_max); |
| 493 | 637 |
| 638 if (sysctl(name, 2, &rtsig_max, &len, NULL, 0) == -1) { | |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
639 ngx_log_error(NGX_LOG_ALERT, cycle->log, errno, |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
640 "sysctl(KERN_RTSIGMAX) failed"); |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
641 return NGX_ERROR; |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
642 } |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
643 |
| 493 | 644 /* name[0] = CTL_KERN; */ |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
645 name[1] = KERN_RTSIGNR; |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
646 len = sizeof(rtsig_nr); |
| 493 | 647 |
| 648 if (sysctl(name, 2, &rtsig_nr, &len, NULL, 0) == -1) { | |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
649 ngx_log_error(NGX_LOG_ALERT, cycle->log, errno, |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
650 "sysctl(KERN_RTSIGNR) failed"); |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
651 return NGX_ERROR; |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
652 } |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
653 |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
654 /* |
| 563 | 655 * drain the rt signal queue if the /"proc/sys/kernel/rtsig-nr" |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
656 * is bigger than |
| 563 | 657 * "/proc/sys/kernel/rtsig-max" / "rtsig_overflow_threshold" |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
658 */ |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
659 |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
660 if (rtsig_max / (int) rtscf->overflow_threshold < rtsig_nr) { |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
661 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
662 "rtsig queue state: %d/%d", |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
663 rtsig_nr, rtsig_max); |
| 563 | 664 while (ngx_rtsig_process_events(cycle, 0, flags) == NGX_OK) |
| 665 { | |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
666 /* void */ |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
667 } |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
668 } |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
669 |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
670 } else { |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
671 |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
672 /* |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
673 * Linux has not KERN_RTSIGMAX since 2.6.6-mm2 |
|
402
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
674 * so drain the rt signal queue unconditionally |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
675 */ |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
676 |
| 563 | 677 while (ngx_rtsig_process_events(cycle, 0, flags) == NGX_OK) { |
| 678 /* void */ | |
| 679 } | |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
680 } |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
681 |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
682 tested = 0; |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
683 } |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
684 } |
|
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
685 |
| 563 | 686 if (flags & NGX_UPDATE_TIME) { |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
687 ngx_time_update(); |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
688 } |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
689 |
| 527 | 690 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
691 "rt signal queue overflow recovered"); |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
692 |
|
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
693 overflow = 0; |
|
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
694 ngx_event_actions.process_events = ngx_rtsig_process_events; |
|
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
695 |
|
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
696 return NGX_OK; |
|
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
697 } |
|
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
698 |
|
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
699 |
| 499 | 700 static void * |
| 701 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
|
702 { |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
703 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
|
704 |
| 501 | 705 rtscf = ngx_palloc(cycle->pool, sizeof(ngx_rtsig_conf_t)); |
| 706 if (rtscf == NULL) { | |
|
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
1939
diff
changeset
|
707 return NULL; |
| 501 | 708 } |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
709 |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
710 rtscf->signo = NGX_CONF_UNSET; |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
711 rtscf->overflow_events = NGX_CONF_UNSET; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
712 rtscf->overflow_test = NGX_CONF_UNSET; |
|
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
713 rtscf->overflow_threshold = NGX_CONF_UNSET; |
|
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
714 |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
715 return rtscf; |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
716 } |
|
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
717 |
|
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
718 |
| 499 | 719 static char * |
| 720 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
|
721 { |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
722 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
|
723 |
|
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
724 /* LinuxThreads use the first 3 RT signals */ |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
725 ngx_conf_init_uint_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
|
726 |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
727 ngx_conf_init_uint_value(rtscf->overflow_events, 16); |
|
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
728 ngx_conf_init_uint_value(rtscf->overflow_test, 32); |
|
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
729 ngx_conf_init_uint_value(rtscf->overflow_threshold, 10); |
|
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
730 |
|
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
731 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
|
732 } |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
733 |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
734 |
| 499 | 735 static char * |
|
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
736 ngx_check_ngx_overflow_threshold_bounds(ngx_conf_t *cf, void *post, void *data) |
|
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
737 { |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
738 if (ngx_linux_rtsig_max) { |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
739 return ngx_conf_check_num_bounds(cf, post, data); |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
740 } |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
741 |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
742 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
743 "\"rtsig_overflow_threshold\" is not supported " |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
744 "since Linux 2.6.6-mm2, ignored"); |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
745 |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
746 return NGX_CONF_OK; |
|
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
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