Mercurial > hg > nginx-quic
annotate src/event/modules/ngx_rtsig_module.c @ 1699:976db8c6fb64
return NGX_ERROR instead of NGX_HTTP_INTERNAL_SERVER_ERROR in u->parse_header()
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 09 Dec 2007 08:22:35 +0000 |
parents | f69d1aab6a0f |
children | a62fb6c156c5 0ba9a893dd1a |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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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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11 |
469 | 12 #if (NGX_TEST_BUILD_RTSIG) |
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14 #define F_SETSIG 10 |
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15 #define SIGRTMIN 33 |
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16 #define si_fd __spare__[0] |
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17 #define KERN_RTSIGNR 30 |
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18 #define KERN_RTSIGMAX 31 |
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20 int sigtimedwait(const sigset_t *set, siginfo_t *info, |
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21 const struct timespec *timeout) |
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22 { |
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23 return -1; |
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24 } |
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26 int ngx_linux_rtsig_max; |
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28 #endif |
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30 |
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31 typedef struct { |
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32 ngx_uint_t signo; |
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33 ngx_uint_t overflow_events; |
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34 ngx_uint_t overflow_test; |
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35 ngx_uint_t overflow_threshold; |
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36 } ngx_rtsig_conf_t; |
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37 |
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39 extern ngx_event_module_t ngx_poll_module_ctx; |
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40 |
563 | 41 static ngx_int_t ngx_rtsig_init(ngx_cycle_t *cycle, ngx_msec_t timer); |
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42 static void ngx_rtsig_done(ngx_cycle_t *cycle); |
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43 static ngx_int_t ngx_rtsig_add_connection(ngx_connection_t *c); |
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44 static ngx_int_t ngx_rtsig_del_connection(ngx_connection_t *c, |
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45 ngx_uint_t flags); |
563 | 46 static ngx_int_t ngx_rtsig_process_events(ngx_cycle_t *cycle, |
47 ngx_msec_t timer, ngx_uint_t flags); | |
48 static ngx_int_t ngx_rtsig_process_overflow(ngx_cycle_t *cycle, | |
49 ngx_msec_t timer, ngx_uint_t flags); | |
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50 |
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51 static void *ngx_rtsig_create_conf(ngx_cycle_t *cycle); |
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52 static char *ngx_rtsig_init_conf(ngx_cycle_t *cycle, void *conf); |
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53 static char *ngx_check_ngx_overflow_threshold_bounds(ngx_conf_t *cf, |
499 | 54 void *post, void *data); |
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55 |
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56 |
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57 static sigset_t set; |
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58 static ngx_uint_t overflow, overflow_current; |
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59 static struct pollfd *overflow_list; |
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60 |
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61 |
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62 static ngx_str_t rtsig_name = ngx_string("rtsig"); |
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63 |
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64 static ngx_conf_num_bounds_t ngx_overflow_threshold_bounds = { |
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65 ngx_check_ngx_overflow_threshold_bounds, 2, 10 |
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66 }; |
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67 |
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68 |
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69 static ngx_command_t ngx_rtsig_commands[] = { |
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70 |
499 | 71 { ngx_string("rtsig_signo"), |
72 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
73 ngx_conf_set_num_slot, | |
74 0, | |
75 offsetof(ngx_rtsig_conf_t, signo), | |
76 NULL }, | |
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77 |
499 | 78 { ngx_string("rtsig_overflow_events"), |
79 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
80 ngx_conf_set_num_slot, | |
81 0, | |
82 offsetof(ngx_rtsig_conf_t, overflow_events), | |
83 NULL }, | |
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84 |
499 | 85 { ngx_string("rtsig_overflow_test"), |
86 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
87 ngx_conf_set_num_slot, | |
88 0, | |
89 offsetof(ngx_rtsig_conf_t, overflow_test), | |
90 NULL }, | |
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91 |
499 | 92 { ngx_string("rtsig_overflow_threshold"), |
93 NGX_EVENT_CONF|NGX_CONF_TAKE1, | |
94 ngx_conf_set_num_slot, | |
95 0, | |
96 offsetof(ngx_rtsig_conf_t, overflow_threshold), | |
97 &ngx_overflow_threshold_bounds }, | |
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98 |
499 | 99 ngx_null_command |
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100 }; |
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101 |
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102 |
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103 ngx_event_module_t ngx_rtsig_module_ctx = { |
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104 &rtsig_name, |
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105 ngx_rtsig_create_conf, /* create configuration */ |
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106 ngx_rtsig_init_conf, /* init configuration */ |
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107 |
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108 { |
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109 NULL, /* add an event */ |
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110 NULL, /* delete an event */ |
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111 NULL, /* enable an event */ |
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112 NULL, /* disable an event */ |
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113 ngx_rtsig_add_connection, /* add an connection */ |
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114 ngx_rtsig_del_connection, /* delete an connection */ |
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115 NULL, /* process the changes */ |
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116 ngx_rtsig_process_events, /* process the events */ |
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117 ngx_rtsig_init, /* init the events */ |
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118 ngx_rtsig_done, /* done the events */ |
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119 } |
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120 |
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121 }; |
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122 |
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123 ngx_module_t ngx_rtsig_module = { |
509 | 124 NGX_MODULE_V1, |
260
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125 &ngx_rtsig_module_ctx, /* module context */ |
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126 ngx_rtsig_commands, /* module directives */ |
499 | 127 NGX_EVENT_MODULE, /* module type */ |
541 | 128 NULL, /* init master */ |
499 | 129 NULL, /* init module */ |
541 | 130 NULL, /* init process */ |
131 NULL, /* init thread */ | |
132 NULL, /* exit thread */ | |
133 NULL, /* exit process */ | |
134 NULL, /* exit master */ | |
135 NGX_MODULE_V1_PADDING | |
246
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136 }; |
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diff
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137 |
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diff
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138 |
499 | 139 static ngx_int_t |
563 | 140 ngx_rtsig_init(ngx_cycle_t *cycle, ngx_msec_t timer) |
60
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141 { |
260
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diff
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142 ngx_rtsig_conf_t *rtscf; |
246
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143 |
260
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144 rtscf = ngx_event_get_conf(cycle->conf_ctx, ngx_rtsig_module); |
246
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diff
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145 |
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146 sigemptyset(&set); |
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147 sigaddset(&set, (int) rtscf->signo); |
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148 sigaddset(&set, (int) rtscf->signo + 1); |
246
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149 sigaddset(&set, SIGIO); |
563 | 150 sigaddset(&set, SIGALRM); |
246
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151 |
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152 if (sigprocmask(SIG_BLOCK, &set, NULL) == -1) { |
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153 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno, |
6753e8cdaa2c
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154 "sigprocmask() failed"); |
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155 return NGX_ERROR; |
6753e8cdaa2c
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parents:
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diff
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156 } |
6753e8cdaa2c
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parents:
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diff
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|
157 |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
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parents:
350
diff
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|
158 if (overflow_list) { |
af4c6b45a687
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159 ngx_free(overflow_list); |
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diff
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160 } |
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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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|
161 |
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162 overflow_list = ngx_alloc(sizeof(struct pollfd) * rtscf->overflow_events, |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
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diff
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|
163 cycle->log); |
af4c6b45a687
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parents:
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diff
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|
164 if (overflow_list == NULL) { |
af4c6b45a687
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165 return NGX_ERROR; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
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parents:
350
diff
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|
166 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
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diff
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|
167 |
246
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nginx-0.0.1-2004-01-30-20:39:00 import
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|
168 ngx_io = ngx_os_io; |
6753e8cdaa2c
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169 |
260
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170 ngx_event_actions = ngx_rtsig_module_ctx.actions; |
246
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diff
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|
171 |
543 | 172 ngx_event_flags = NGX_USE_RTSIG_EVENT |
173 |NGX_USE_GREEDY_EVENT | |
174 |NGX_USE_FD_EVENT; | |
246
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parents:
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diff
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|
175 |
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176 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
60
diff
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|
177 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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parents:
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diff
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|
178 |
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parents:
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diff
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|
179 |
499 | 180 static void |
181 ngx_rtsig_done(ngx_cycle_t *cycle) | |
246
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|
182 { |
452 | 183 ngx_free(overflow_list); |
184 | |
185 overflow_list = NULL; | |
246
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|
186 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
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60
diff
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|
187 |
60
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parents:
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|
188 |
499 | 189 static ngx_int_t |
190 ngx_rtsig_add_connection(ngx_connection_t *c) | |
246
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191 { |
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192 ngx_uint_t signo; |
260
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diff
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|
193 ngx_rtsig_conf_t *rtscf; |
246
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diff
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|
194 |
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
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|
195 if (c->read->accept && c->read->disabled) { |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
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|
196 |
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352
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197 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
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parents:
352
diff
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|
198 "rtsig enable 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
|
199 |
349
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nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
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|
200 if (fcntl(c->fd, F_SETOWN, ngx_pid) == -1) { |
a958aa92f9a5
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Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
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|
201 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
|
202 "fcntl(F_SETOWN) failed"); |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
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|
203 return NGX_ERROR; |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
204 } |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
205 |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
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|
206 c->read->active = 1; |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
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parents:
348
diff
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|
207 c->read->disabled = 0; |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
208 } |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
209 |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
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|
210 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module); |
246
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parents:
60
diff
changeset
|
211 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
212 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
|
213 |
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
|
214 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, |
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changeset
|
215 "rtsig add connection: fd:%d signo:%ui", c->fd, signo); |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
216 |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
217 if (fcntl(c->fd, F_SETFL, O_RDWR|O_NONBLOCK|O_ASYNC) == -1) { |
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
|
218 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
|
219 "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
|
220 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
221 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
222 |
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diff
changeset
|
223 if (fcntl(c->fd, F_SETSIG, (int) signo) == -1) { |
246
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Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
224 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
|
225 "fcntl(F_SETSIG) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
226 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
227 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
229 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
|
230 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
|
231 "fcntl(F_SETOWN) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
232 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
233 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
234 |
469 | 235 #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
|
236 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
|
237 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
|
238 "fcntl(F_SETAUXFL) failed"); |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
239 return NGX_ERROR; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
240 } |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
241 #endif |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
242 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
243 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
|
244 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
|
245 |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
246 return NGX_OK; |
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
247 } |
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 |
499 | 250 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
|
251 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
|
252 { |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
253 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
|
254 "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
|
255 |
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
256 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
|
257 |
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
258 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
|
259 "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
|
260 |
349
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
261 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
|
262 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
|
263 return NGX_OK; |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
264 } |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
265 |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
266 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
|
267 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
|
268 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
|
269 return NGX_OK; |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
270 } |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
271 |
a958aa92f9a5
nginx-0.0.4-2004-06-09-20:36:55 import
Igor Sysoev <igor@sysoev.ru>
parents:
348
diff
changeset
|
272 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
|
273 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
|
274 "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
|
275 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
|
276 } |
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
277 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
278 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
|
279 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
|
280 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
281 return NGX_OK; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
282 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
283 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
284 |
499 | 285 static ngx_int_t |
563 | 286 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
|
287 { |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
288 int signo; |
501 | 289 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
|
290 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
|
291 siginfo_t si; |
573 | 292 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
|
293 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
|
294 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
|
295 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
|
296 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
|
297 |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
298 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
|
299 tp = NULL; |
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
300 |
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
301 } else { |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
302 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
|
303 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
|
304 tp = &ts; |
316
a0beefedaf94
nginx-0.0.3-2004-04-15-00:34:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
306
diff
changeset
|
305 } |
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
306 |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
307 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
557 | 308 "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
|
309 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
310 /* 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
|
311 |
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
312 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
|
313 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
314 if (signo == -1) { |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
315 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
|
316 |
382
449c4885dcd1
nginx-0.0.7-2004-07-07-23:48:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
381
diff
changeset
|
317 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
|
318 "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
|
319 |
567 | 320 if (flags & NGX_UPDATE_TIME) { |
321 ngx_time_update(0, 0); | |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
322 } |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
323 |
567 | 324 if (err == NGX_EAGAIN) { |
325 | |
326 /* timeout */ | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
327 |
567 | 328 if (timer != NGX_TIMER_INFINITE) { |
329 return NGX_AGAIN; | |
330 } | |
577 | 331 |
567 | 332 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, |
333 "sigtimedwait() returned EAGAIN without timeout"); | |
334 return NGX_ERROR; | |
335 } | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
336 |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
337 ngx_log_error((err == NGX_EINTR) ? NGX_LOG_INFO : NGX_LOG_ALERT, |
305
4b1a3a4acc60
nginx-0.0.3-2004-04-02-19:13:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
262
diff
changeset
|
338 cycle->log, err, "sigtimedwait() failed"); |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
339 return NGX_ERROR; |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
340 } |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
341 |
567 | 342 ngx_log_debug3(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
343 "rtsig signo:%d fd:%d band:%04Xd", | |
344 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
|
345 |
567 | 346 if (flags & NGX_UPDATE_TIME) { |
347 ngx_time_update(0, 0); | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
348 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
349 |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
350 rtscf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_rtsig_module); |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
351 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
352 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
|
353 |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
354 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
|
355 return NGX_OK; |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
356 } |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
357 |
551 | 358 c = ngx_cycle->files[si.si_fd]; |
359 | |
360 if (c == NULL) { | |
563 | 361 |
551 | 362 /* 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
|
363 |
551 | 364 return NGX_OK; |
365 } | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
366 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
367 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
|
368 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
369 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
|
370 |
563 | 371 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
|
372 |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
373 /* |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
374 * 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
|
375 * 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
|
376 */ |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
377 |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
378 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
461 | 379 "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
|
380 |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
381 return NGX_OK; |
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
328
diff
changeset
|
382 } |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
383 |
563 | 384 if ((si.si_band & (POLLIN|POLLHUP|POLLERR)) && rev->active) { |
573 | 385 |
563 | 386 rev->ready = 1; |
573 | 387 |
388 if (flags & NGX_POST_EVENTS) { | |
389 queue = (ngx_event_t **) (rev->accept ? | |
390 &ngx_posted_accept_events : &ngx_posted_events); | |
391 | |
392 ngx_locked_post_event(rev, queue); | |
393 | |
577 | 394 } else { |
573 | 395 rev->handler(rev); |
396 } | |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
397 } |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
398 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
399 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
|
400 |
563 | 401 if ((si.si_band & (POLLOUT|POLLHUP|POLLERR)) && wev->active) { |
573 | 402 |
563 | 403 wev->ready = 1; |
573 | 404 |
405 if (flags & NGX_POST_EVENTS) { | |
406 ngx_locked_post_event(wev, &ngx_posted_events); | |
407 | |
408 } else { | |
409 wev->handler(wev); | |
410 } | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
411 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
412 |
567 | 413 return NGX_OK; |
414 | |
563 | 415 } else if (signo == SIGALRM) { |
416 | |
567 | 417 ngx_time_update(0, 0); |
418 | |
563 | 419 return NGX_OK; |
420 | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
421 } 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
|
422 |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
423 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
|
424 "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
|
425 |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
426 /* 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
|
427 |
247
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
428 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
|
429 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
|
430 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
|
431 |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
432 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
|
433 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
|
434 "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
|
435 } |
008276b9e061
nginx-0.0.1-2004-02-01-11:10:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
246
diff
changeset
|
436 |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
437 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
|
438 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
|
439 "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
|
440 } |
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
441 |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
442 overflow = 1; |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
443 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
|
444 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
|
445 |
352
694d7ddc3599
nginx-0.0.4-2004-06-11-10:15:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
351
diff
changeset
|
446 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
|
447 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
448 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
449 |
567 | 450 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
451 "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
|
452 |
567 | 453 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
|
454 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
455 |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
456 |
499 | 457 static ngx_int_t |
563 | 458 ngx_rtsig_process_overflow(ngx_cycle_t *cycle, ngx_msec_t timer, |
459 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
|
460 { |
354
eaf1f651cf86
nginx-0.0.7-2004-06-15-11:55:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
352
diff
changeset
|
461 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
|
462 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
|
463 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
|
464 ngx_uint_t tested, n, i; |
563 | 465 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
|
466 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
|
467 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
|
468 |
563 | 469 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
470 "rtsig process overflow"); | |
471 | |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
472 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
|
473 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
474 tested = 0; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
475 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
476 for ( ;; ) { |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
477 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
478 n = 0; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
479 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
|
480 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
481 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
|
482 break; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
483 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
484 |
543 | 485 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
|
486 |
559 | 487 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
|
488 continue; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
489 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
490 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
491 events = 0; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
492 |
509 | 493 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
|
494 events |= POLLIN; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
495 } |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
496 |
509 | 497 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
|
498 events |= POLLOUT; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
499 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
500 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
501 if (events == 0) { |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
502 continue; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
503 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
504 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
505 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
|
506 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
|
507 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
|
508 n++; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
509 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
510 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
511 if (n == 0) { |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
512 break; |
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 |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
515 for ( ;; ) { |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
516 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
|
517 |
563 | 518 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, cycle->log, 0, |
519 "rtsig overflow poll:%d", ready); | |
520 | |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
521 if (ready == -1) { |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
522 err = ngx_errno; |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
523 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
|
524 cycle->log, 0, |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
525 "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
|
526 |
402
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
527 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
|
528 continue; |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
529 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
530 } |
402
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
531 |
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
532 break; |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
533 } |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
534 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
535 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
|
536 continue; |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
537 } |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
538 |
563 | 539 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
|
540 |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
541 for (i = 0; i < n; i++) { |
543 | 542 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
|
543 |
559 | 544 if (c == NULL) { |
545 continue; | |
546 } | |
547 | |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
548 rev = c->read; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
549 |
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
550 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
|
551 && !rev->closed |
509 | 552 && rev->handler |
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
553 && (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
|
554 & (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
|
555 { |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
556 tested++; |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
557 |
563 | 558 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
|
559 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
|
560 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
561 } else { |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
562 rev->ready = 1; |
563 | 563 } |
564 | |
565 if (flags & NGX_POST_EVENTS) { | |
566 queue = (ngx_event_t **) (rev->accept ? | |
567 &ngx_posted_accept_events : &ngx_posted_events); | |
568 | |
569 ngx_locked_post_event(rev, queue); | |
570 | |
571 } else { | |
572 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
|
573 } |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
574 } |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
575 |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
576 wev = c->write; |
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
577 |
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
578 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
|
579 && !wev->closed |
509 | 580 && wev->handler |
390
1471c6fb108a
nginx-0.0.7-2004-07-14-00:24:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
581 && (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
|
582 & (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
|
583 { |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
584 tested++; |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
585 |
563 | 586 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
|
587 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
|
588 |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
589 } else { |
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
380
diff
changeset
|
590 wev->ready = 1; |
563 | 591 } |
592 | |
593 if (flags & NGX_POST_EVENTS) { | |
594 ngx_locked_post_event(wev, &ngx_posted_events); | |
595 | |
596 } else { | |
597 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
|
598 } |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
599 } |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
600 } |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
601 |
402
f209f3391020
nginx-0.0.9-2004-07-28-20:16:50 import
Igor Sysoev <igor@sysoev.ru>
parents:
391
diff
changeset
|
602 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
|
603 |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
604 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
|
605 |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
606 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
|
607 |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
608 /* |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
609 * 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
|
610 * the new overflow. |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
611 * |
563 | 612 * learn the "/proc/sys/kernel/rtsig-max" value because |
613 * 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
|
614 */ |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
615 |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
616 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
|
617 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
|
618 len = sizeof(rtsig_max); |
493 | 619 |
620 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
|
621 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
|
622 "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
|
623 return NGX_ERROR; |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
624 } |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
625 |
493 | 626 /* 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
|
627 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
|
628 len = sizeof(rtsig_nr); |
493 | 629 |
630 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
|
631 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
|
632 "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
|
633 return NGX_ERROR; |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
634 } |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
635 |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
636 /* |
563 | 637 * 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
|
638 * is bigger than |
563 | 639 * "/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
|
640 */ |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
641 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
642 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
|
643 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
|
644 "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
|
645 rtsig_nr, rtsig_max); |
563 | 646 while (ngx_rtsig_process_events(cycle, 0, flags) == NGX_OK) |
647 { | |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
648 /* void */ |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
649 } |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
650 } |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
651 |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
652 } else { |
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 /* |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
655 * 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
|
656 * 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
|
657 */ |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
658 |
563 | 659 while (ngx_rtsig_process_events(cycle, 0, flags) == NGX_OK) { |
660 /* void */ | |
661 } | |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
662 } |
351
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
663 |
af4c6b45a687
nginx-0.0.4-2004-06-10-22:36:57 import
Igor Sysoev <igor@sysoev.ru>
parents:
350
diff
changeset
|
664 tested = 0; |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
665 } |
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
666 } |
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
667 |
563 | 668 if (flags & NGX_UPDATE_TIME) { |
669 ngx_time_update(0, 0); | |
348
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
670 } |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
671 |
527 | 672 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
|
673 "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
|
674 |
68ff8000a974
nginx-0.0.3-2004-06-09-11:45:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
675 overflow = 0; |
380
5ce6561246a5
nginx-0.0.7-2004-07-07-10:15:04 import
Igor Sysoev <igor@sysoev.ru>
parents:
375
diff
changeset
|
676 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
|
677 |
261
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
678 return NGX_OK; |
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
679 } |
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
680 |
bdd631bf1a1c
nginx-0.0.2-2004-02-18-00:11:27 import
Igor Sysoev <igor@sysoev.ru>
parents:
260
diff
changeset
|
681 |
499 | 682 static void * |
683 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
|
684 { |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
685 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
|
686 |
501 | 687 rtscf = ngx_palloc(cycle->pool, sizeof(ngx_rtsig_conf_t)); |
688 if (rtscf == NULL) { | |
689 return NGX_CONF_ERROR; | |
690 } | |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
691 |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
692 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
|
693 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
|
694 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
|
695 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
|
696 |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
697 return rtscf; |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
698 } |
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
699 |
60
50186b49f2ad
nginx-0.0.1-2003-02-11-10:14:40 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
700 |
499 | 701 static char * |
702 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
|
703 { |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
704 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
|
705 |
260
5dacbb4daaf6
nginx-0.0.2-2004-02-17-20:53:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
247
diff
changeset
|
706 /* 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
|
707 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
|
708 |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
709 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
|
710 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
|
711 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
|
712 |
246
6753e8cdaa2c
nginx-0.0.1-2004-01-30-20:39:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
60
diff
changeset
|
713 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
|
714 } |
391
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
715 |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
716 |
499 | 717 static char * |
1354
f69d1aab6a0f
make 64-bit ngx_int_t on 64-bit platforms
Igor Sysoev <igor@sysoev.ru>
parents:
577
diff
changeset
|
718 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
|
719 { |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
720 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
|
721 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
|
722 } |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
723 |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
724 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
|
725 "\"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
|
726 "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
|
727 |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
728 return NGX_CONF_OK; |
b670db10cbbd
nginx-0.0.7-2004-07-14-20:01:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
390
diff
changeset
|
729 } |