Mercurial > hg > nginx
annotate src/os/win32/ngx_process_cycle.c @ 6110:16c51e80128c
Removed unused thread-local-storage code.
author | Ruslan Ermilov <ru@nginx.com> |
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date | Thu, 26 Mar 2015 14:15:15 +0300 |
parents | d588dda5ec31 |
children | 537259db5af4 |
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. |
441
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5 */ |
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6 |
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7 |
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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> |
461 | 11 #include <nginx.h> |
278
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12 |
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13 |
2725 | 14 static void ngx_process_init(ngx_cycle_t *cycle); |
15 static void ngx_console_init(ngx_cycle_t *cycle); | |
16 static int __stdcall ngx_console_handler(u_long type); | |
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17 static ngx_int_t ngx_create_signal_events(ngx_cycle_t *cycle); |
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18 static ngx_int_t ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type); |
2725 | 19 static void ngx_reopen_worker_processes(ngx_cycle_t *cycle); |
20 static void ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old); | |
21 static void ngx_terminate_worker_processes(ngx_cycle_t *cycle); | |
22 static ngx_uint_t ngx_reap_worker(ngx_cycle_t *cycle, HANDLE h); | |
23 static void ngx_master_process_exit(ngx_cycle_t *cycle); | |
24 static void ngx_worker_process_cycle(ngx_cycle_t *cycle, char *mevn); | |
25 static void ngx_worker_process_exit(ngx_cycle_t *cycle); | |
26 static ngx_thread_value_t __stdcall ngx_worker_thread(void *data); | |
27 static ngx_thread_value_t __stdcall ngx_cache_manager_thread(void *data); | |
28 static void ngx_cache_manager_process_handler(void); | |
3022 | 29 static ngx_thread_value_t __stdcall ngx_cache_loader_thread(void *data); |
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30 |
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31 |
2725 | 32 ngx_uint_t ngx_process; |
33 ngx_pid_t ngx_pid; | |
290
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34 |
2725 | 35 ngx_uint_t ngx_inherited; |
36 ngx_pid_t ngx_new_binary; | |
278
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37 |
2725 | 38 sig_atomic_t ngx_terminate; |
39 sig_atomic_t ngx_quit; | |
40 sig_atomic_t ngx_reopen; | |
41 sig_atomic_t ngx_reconfigure; | |
42 ngx_uint_t ngx_exiting; | |
278
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43 |
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44 |
2725 | 45 HANDLE ngx_master_process_event; |
46 char ngx_master_process_event_name[NGX_PROCESS_SYNC_NAME]; | |
47 | |
48 static HANDLE ngx_stop_event; | |
49 static char ngx_stop_event_name[NGX_PROCESS_SYNC_NAME]; | |
50 static HANDLE ngx_quit_event; | |
51 static char ngx_quit_event_name[NGX_PROCESS_SYNC_NAME]; | |
52 static HANDLE ngx_reopen_event; | |
53 static char ngx_reopen_event_name[NGX_PROCESS_SYNC_NAME]; | |
54 static HANDLE ngx_reload_event; | |
55 static char ngx_reload_event_name[NGX_PROCESS_SYNC_NAME]; | |
56 | |
57 HANDLE ngx_cache_manager_mutex; | |
58 char ngx_cache_manager_mutex_name[NGX_PROCESS_SYNC_NAME]; | |
59 HANDLE ngx_cache_manager_event; | |
461 | 60 |
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61 |
509 | 62 void |
63 ngx_master_process_cycle(ngx_cycle_t *cycle) | |
278
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64 { |
2725 | 65 u_long nev, ev, timeout; |
66 ngx_err_t err; | |
67 ngx_int_t n; | |
68 ngx_msec_t timer; | |
69 ngx_uint_t live; | |
70 HANDLE events[MAXIMUM_WAIT_OBJECTS]; | |
71 | |
72 ngx_process_init(cycle); | |
73 | |
74 ngx_sprintf((u_char *) ngx_master_process_event_name, | |
75 "ngx_master_%s%Z", ngx_unique); | |
76 | |
77 if (ngx_process == NGX_PROCESS_WORKER) { | |
78 ngx_worker_process_cycle(cycle, ngx_master_process_event_name); | |
79 return; | |
80 } | |
81 | |
82 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "master started"); | |
83 | |
84 ngx_console_init(cycle); | |
85 | |
86 SetEnvironmentVariable("ngx_unique", ngx_unique); | |
87 | |
88 ngx_master_process_event = CreateEvent(NULL, 1, 0, | |
89 ngx_master_process_event_name); | |
90 if (ngx_master_process_event == NULL) { | |
91 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
92 "CreateEvent(\"%s\") failed", | |
93 ngx_master_process_event_name); | |
94 exit(2); | |
95 } | |
96 | |
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97 if (ngx_create_signal_events(cycle) != NGX_OK) { |
2725 | 98 exit(2); |
99 } | |
100 | |
101 ngx_sprintf((u_char *) ngx_cache_manager_mutex_name, | |
102 "ngx_cache_manager_mutex_%s%Z", ngx_unique); | |
103 | |
104 ngx_cache_manager_mutex = CreateMutex(NULL, 0, | |
105 ngx_cache_manager_mutex_name); | |
106 if (ngx_cache_manager_mutex == NULL) { | |
107 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
108 "CreateMutex(\"%s\") failed", ngx_cache_manager_mutex_name); | |
109 exit(2); | |
110 } | |
111 | |
112 | |
113 events[0] = ngx_stop_event; | |
114 events[1] = ngx_quit_event; | |
115 events[2] = ngx_reopen_event; | |
116 events[3] = ngx_reload_event; | |
117 | |
118 ngx_close_listening_sockets(cycle); | |
119 | |
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120 if (ngx_start_worker_processes(cycle, NGX_PROCESS_RESPAWN) == 0) { |
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121 exit(2); |
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122 } |
2725 | 123 |
124 timer = 0; | |
125 timeout = INFINITE; | |
126 | |
127 for ( ;; ) { | |
128 | |
129 nev = 4; | |
130 for (n = 0; n < ngx_last_process; n++) { | |
131 if (ngx_processes[n].handle) { | |
132 events[nev++] = ngx_processes[n].handle; | |
133 } | |
134 } | |
135 | |
136 if (timer) { | |
137 timeout = timer > ngx_current_msec ? timer - ngx_current_msec : 0; | |
138 } | |
139 | |
140 ev = WaitForMultipleObjects(nev, events, 0, timeout); | |
141 | |
142 err = ngx_errno; | |
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143 ngx_time_update(); |
2725 | 144 |
145 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
146 "master WaitForMultipleObjects: %ul", ev); | |
147 | |
148 if (ev == WAIT_OBJECT_0) { | |
149 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); | |
324
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150 |
2725 | 151 if (ResetEvent(ngx_stop_event) == 0) { |
152 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
153 "ResetEvent(\"%s\") failed", ngx_stop_event_name); | |
154 } | |
155 | |
156 if (timer == 0) { | |
157 timer = ngx_current_msec + 5000; | |
158 } | |
159 | |
160 ngx_terminate = 1; | |
161 ngx_quit_worker_processes(cycle, 0); | |
162 | |
163 continue; | |
164 } | |
165 | |
166 if (ev == WAIT_OBJECT_0 + 1) { | |
167 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "shutting down"); | |
168 | |
169 if (ResetEvent(ngx_quit_event) == 0) { | |
170 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
171 "ResetEvent(\"%s\") failed", ngx_quit_event_name); | |
172 } | |
173 | |
174 ngx_quit = 1; | |
175 ngx_quit_worker_processes(cycle, 0); | |
176 | |
177 continue; | |
178 } | |
179 | |
180 if (ev == WAIT_OBJECT_0 + 2) { | |
181 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); | |
182 | |
183 if (ResetEvent(ngx_reopen_event) == 0) { | |
184 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
185 "ResetEvent(\"%s\") failed", | |
186 ngx_reopen_event_name); | |
187 } | |
188 | |
189 ngx_reopen_files(cycle, -1); | |
190 ngx_reopen_worker_processes(cycle); | |
191 | |
192 continue; | |
193 } | |
194 | |
195 if (ev == WAIT_OBJECT_0 + 3) { | |
196 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); | |
197 | |
198 if (ResetEvent(ngx_reload_event) == 0) { | |
199 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
200 "ResetEvent(\"%s\") failed", | |
201 ngx_reload_event_name); | |
202 } | |
203 | |
2823 | 204 cycle = ngx_init_cycle(cycle); |
205 if (cycle == NULL) { | |
206 cycle = (ngx_cycle_t *) ngx_cycle; | |
207 continue; | |
208 } | |
209 | |
210 ngx_cycle = cycle; | |
211 | |
2928 | 212 ngx_close_listening_sockets(cycle); |
213 | |
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214 if (ngx_start_worker_processes(cycle, NGX_PROCESS_JUST_RESPAWN)) { |
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215 ngx_quit_worker_processes(cycle, 1); |
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216 } |
2725 | 217 |
218 continue; | |
219 } | |
220 | |
221 if (ev > WAIT_OBJECT_0 + 3 && ev < WAIT_OBJECT_0 + nev) { | |
222 | |
223 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "reap worker"); | |
224 | |
225 live = ngx_reap_worker(cycle, events[ev]); | |
226 | |
227 if (!live && (ngx_terminate || ngx_quit)) { | |
228 ngx_master_process_exit(cycle); | |
229 } | |
230 | |
231 continue; | |
232 } | |
233 | |
234 if (ev == WAIT_TIMEOUT) { | |
235 ngx_terminate_worker_processes(cycle); | |
236 | |
237 ngx_master_process_exit(cycle); | |
238 } | |
239 | |
240 if (ev == WAIT_FAILED) { | |
241 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
242 "WaitForMultipleObjects() failed"); | |
243 | |
244 continue; | |
245 } | |
246 | |
247 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
248 "WaitForMultipleObjects() returned unexpected value %ul", ev); | |
249 } | |
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250 } |
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251 |
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252 |
2725 | 253 static void |
254 ngx_process_init(ngx_cycle_t *cycle) | |
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255 { |
461 | 256 ngx_core_conf_t *ccf; |
282
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257 |
461 | 258 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); |
259 | |
2627 | 260 if (ngx_init_threads(ngx_threads_n, ccf->thread_stack_size, cycle) |
261 != NGX_OK) | |
577 | 262 { |
461 | 263 /* fatal */ |
264 exit(2); | |
265 } | |
2725 | 266 } |
461 | 267 |
2725 | 268 |
269 static void | |
270 ngx_console_init(ngx_cycle_t *cycle) | |
271 { | |
272 ngx_core_conf_t *ccf; | |
273 | |
274 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); | |
275 | |
276 if (ccf->daemon) { | |
277 if (FreeConsole() == 0) { | |
278 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
279 "FreeConsole() failed"); | |
280 } | |
281 | |
282 return; | |
283 } | |
284 | |
285 if (SetConsoleCtrlHandler(ngx_console_handler, 1) == 0) { | |
286 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
287 "SetConsoleCtrlHandler() failed"); | |
288 } | |
289 } | |
290 | |
291 | |
292 static int __stdcall | |
293 ngx_console_handler(u_long type) | |
294 { | |
295 char *msg; | |
296 | |
297 switch (type) { | |
298 | |
299 case CTRL_C_EVENT: | |
300 msg = "Ctrl-C pressed, exiting"; | |
301 break; | |
302 | |
303 case CTRL_BREAK_EVENT: | |
304 msg = "Ctrl-Break pressed, exiting"; | |
305 break; | |
306 | |
307 case CTRL_CLOSE_EVENT: | |
308 msg = "console closing, exiting"; | |
309 break; | |
310 | |
311 case CTRL_LOGOFF_EVENT: | |
312 msg = "user logs off, exiting"; | |
313 break; | |
314 | |
315 default: | |
316 return 0; | |
317 } | |
318 | |
319 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, msg); | |
320 | |
321 if (ngx_stop_event == NULL) { | |
322 return 1; | |
323 } | |
324 | |
325 if (SetEvent(ngx_stop_event) == 0) { | |
326 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, | |
327 "SetEvent(\"%s\") failed", ngx_stop_event_name); | |
2627 | 328 } |
329 | |
2725 | 330 return 1; |
331 } | |
332 | |
333 | |
334 static ngx_int_t | |
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335 ngx_create_signal_events(ngx_cycle_t *cycle) |
2725 | 336 { |
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337 ngx_sprintf((u_char *) ngx_stop_event_name, |
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338 "Global\\ngx_stop_%s%Z", ngx_unique); |
2725 | 339 |
340 ngx_stop_event = CreateEvent(NULL, 1, 0, ngx_stop_event_name); | |
341 if (ngx_stop_event == NULL) { | |
342 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
343 "CreateEvent(\"%s\") failed", ngx_stop_event_name); | |
344 return NGX_ERROR; | |
345 } | |
346 | |
347 | |
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348 ngx_sprintf((u_char *) ngx_quit_event_name, |
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349 "Global\\ngx_quit_%s%Z", ngx_unique); |
2725 | 350 |
351 ngx_quit_event = CreateEvent(NULL, 1, 0, ngx_quit_event_name); | |
352 if (ngx_quit_event == NULL) { | |
353 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
354 "CreateEvent(\"%s\") failed", ngx_quit_event_name); | |
355 return NGX_ERROR; | |
356 } | |
357 | |
358 | |
359 ngx_sprintf((u_char *) ngx_reopen_event_name, | |
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360 "Global\\ngx_reopen_%s%Z", ngx_unique); |
2725 | 361 |
362 ngx_reopen_event = CreateEvent(NULL, 1, 0, ngx_reopen_event_name); | |
363 if (ngx_reopen_event == NULL) { | |
364 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
365 "CreateEvent(\"%s\") failed", ngx_reopen_event_name); | |
366 return NGX_ERROR; | |
367 } | |
368 | |
369 | |
370 ngx_sprintf((u_char *) ngx_reload_event_name, | |
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371 "Global\\ngx_reload_%s%Z", ngx_unique); |
2725 | 372 |
373 ngx_reload_event = CreateEvent(NULL, 1, 0, ngx_reload_event_name); | |
374 if (ngx_reload_event == NULL) { | |
375 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
376 "CreateEvent(\"%s\") failed", ngx_reload_event_name); | |
377 return NGX_ERROR; | |
378 } | |
379 | |
380 return NGX_OK; | |
381 } | |
382 | |
383 | |
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384 static ngx_int_t |
2725 | 385 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type) |
386 { | |
387 ngx_int_t n; | |
388 ngx_core_conf_t *ccf; | |
389 | |
390 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes"); | |
391 | |
392 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); | |
393 | |
394 for (n = 0; n < ccf->worker_processes; n++) { | |
395 if (ngx_spawn_process(cycle, "worker", type) == NGX_INVALID_PID) { | |
2922
f0604d0b28a6
*) exit if no workers could not be started
Igor Sysoev <igor@sysoev.ru>
parents:
2921
diff
changeset
|
396 break; |
2725 | 397 } |
398 } | |
2922
f0604d0b28a6
*) exit if no workers could not be started
Igor Sysoev <igor@sysoev.ru>
parents:
2921
diff
changeset
|
399 |
f0604d0b28a6
*) exit if no workers could not be started
Igor Sysoev <igor@sysoev.ru>
parents:
2921
diff
changeset
|
400 return n; |
2627 | 401 } |
402 | |
403 | |
2725 | 404 static void |
405 ngx_reopen_worker_processes(ngx_cycle_t *cycle) | |
406 { | |
407 ngx_int_t n; | |
408 | |
409 for (n = 0; n < ngx_last_process; n++) { | |
410 | |
411 if (ngx_processes[n].handle == NULL) { | |
412 continue; | |
413 } | |
414 | |
415 if (SetEvent(ngx_processes[n].reopen) == 0) { | |
416 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
417 "SetEvent(\"%s\") failed", | |
418 ngx_processes[n].reopen_event); | |
419 } | |
420 } | |
421 } | |
422 | |
423 | |
424 static void | |
425 ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old) | |
2627 | 426 { |
2725 | 427 ngx_int_t n; |
428 | |
429 for (n = 0; n < ngx_last_process; n++) { | |
430 | |
431 ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
2921 | 432 "process: %d %P %p e:%d j:%d", |
2725 | 433 n, |
434 ngx_processes[n].pid, | |
435 ngx_processes[n].handle, | |
436 ngx_processes[n].exiting, | |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2928
diff
changeset
|
437 ngx_processes[n].just_spawn); |
2725 | 438 |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2928
diff
changeset
|
439 if (old && ngx_processes[n].just_spawn) { |
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2928
diff
changeset
|
440 ngx_processes[n].just_spawn = 0; |
2725 | 441 continue; |
442 } | |
443 | |
444 if (ngx_processes[n].handle == NULL) { | |
445 continue; | |
446 } | |
447 | |
448 if (SetEvent(ngx_processes[n].quit) == 0) { | |
449 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
450 "SetEvent(\"%s\") failed", | |
451 ngx_processes[n].quit_event); | |
452 } | |
453 | |
454 ngx_processes[n].exiting = 1; | |
455 } | |
456 } | |
457 | |
458 | |
459 static void | |
460 ngx_terminate_worker_processes(ngx_cycle_t *cycle) | |
461 { | |
462 ngx_int_t n; | |
463 | |
464 for (n = 0; n < ngx_last_process; n++) { | |
465 | |
466 if (ngx_processes[n].handle == NULL) { | |
467 continue; | |
468 } | |
469 | |
470 if (TerminateProcess(ngx_processes[n].handle, 0) == 0) { | |
471 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
472 "TerminateProcess(\"%p\") failed", | |
473 ngx_processes[n].handle); | |
474 } | |
475 | |
476 ngx_processes[n].exiting = 1; | |
2627 | 477 |
2725 | 478 ngx_close_handle(ngx_processes[n].reopen); |
479 ngx_close_handle(ngx_processes[n].quit); | |
480 ngx_close_handle(ngx_processes[n].term); | |
481 ngx_close_handle(ngx_processes[n].handle); | |
482 } | |
483 } | |
484 | |
485 | |
486 static ngx_uint_t | |
487 ngx_reap_worker(ngx_cycle_t *cycle, HANDLE h) | |
488 { | |
489 u_long code; | |
490 ngx_int_t n; | |
491 | |
492 for (n = 0; n < ngx_last_process; n++) { | |
493 | |
494 if (ngx_processes[n].handle != h) { | |
495 continue; | |
496 } | |
497 | |
498 if (GetExitCodeProcess(h, &code) == 0) { | |
2908
234a8248812c
log GetExitCodeProcess()'s errno
Igor Sysoev <igor@sysoev.ru>
parents:
2823
diff
changeset
|
499 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
2725 | 500 "GetExitCodeProcess(%P) failed", |
501 ngx_processes[n].pid); | |
502 } | |
503 | |
504 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, | |
505 "%s process %P exited with code %Xul", | |
506 ngx_processes[n].name, ngx_processes[n].pid, code); | |
507 | |
508 ngx_close_handle(ngx_processes[n].reopen); | |
509 ngx_close_handle(ngx_processes[n].quit); | |
510 ngx_close_handle(ngx_processes[n].term); | |
511 ngx_close_handle(h); | |
2627 | 512 |
2725 | 513 ngx_processes[n].handle = NULL; |
514 ngx_processes[n].term = NULL; | |
515 ngx_processes[n].quit = NULL; | |
516 ngx_processes[n].reopen = NULL; | |
517 | |
518 if (!ngx_processes[n].exiting && !ngx_terminate && !ngx_quit) { | |
519 | |
520 if (ngx_spawn_process(cycle, ngx_processes[n].name, n) | |
521 == NGX_INVALID_PID) | |
522 { | |
523 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
4133
59b99f217c6d
Replaced "can not" with "cannot" and "could not" in a bunch of places.
Ruslan Ermilov <ru@nginx.com>
parents:
3751
diff
changeset
|
524 "could not respawn %s", ngx_processes[n].name); |
2725 | 525 |
526 if (n == ngx_last_process - 1) { | |
527 ngx_last_process--; | |
528 } | |
529 } | |
530 } | |
2627 | 531 |
2725 | 532 goto found; |
533 } | |
534 | |
535 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "unknown process handle %p", h); | |
536 | |
537 found: | |
538 | |
539 for (n = 0; n < ngx_last_process; n++) { | |
540 | |
541 ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
2921 | 542 "process: %d %P %p e:%d j:%d", |
2725 | 543 n, |
544 ngx_processes[n].pid, | |
545 ngx_processes[n].handle, | |
546 ngx_processes[n].exiting, | |
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2928
diff
changeset
|
547 ngx_processes[n].just_spawn); |
2725 | 548 |
549 if (ngx_processes[n].handle) { | |
550 return 1; | |
551 } | |
2627 | 552 } |
553 | |
554 return 0; | |
555 } | |
556 | |
557 | |
558 static void | |
2725 | 559 ngx_master_process_exit(ngx_cycle_t *cycle) |
560 { | |
561 ngx_uint_t i; | |
562 | |
563 ngx_delete_pidfile(cycle); | |
564 | |
565 ngx_close_handle(ngx_cache_manager_mutex); | |
566 ngx_close_handle(ngx_stop_event); | |
567 ngx_close_handle(ngx_quit_event); | |
568 ngx_close_handle(ngx_reopen_event); | |
569 ngx_close_handle(ngx_reload_event); | |
570 ngx_close_handle(ngx_master_process_event); | |
571 | |
572 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit"); | |
573 | |
574 for (i = 0; ngx_modules[i]; i++) { | |
575 if (ngx_modules[i]->exit_master) { | |
576 ngx_modules[i]->exit_master(cycle); | |
577 } | |
578 } | |
579 | |
580 ngx_destroy_pool(cycle->pool); | |
581 | |
582 exit(0); | |
583 } | |
584 | |
585 | |
586 static void | |
587 ngx_worker_process_cycle(ngx_cycle_t *cycle, char *mevn) | |
2627 | 588 { |
2725 | 589 char wtevn[NGX_PROCESS_SYNC_NAME]; |
590 char wqevn[NGX_PROCESS_SYNC_NAME]; | |
591 char wroevn[NGX_PROCESS_SYNC_NAME]; | |
592 HANDLE mev, events[3]; | |
593 u_long nev, ev; | |
594 ngx_err_t err; | |
3352
5c43621c580a
a cache manager thread handle was overwritten by a cache loader thread handle,
Igor Sysoev <igor@sysoev.ru>
parents:
3035
diff
changeset
|
595 ngx_tid_t wtid, cmtid, cltid; |
2725 | 596 ngx_log_t *log; |
597 | |
598 log = cycle->log; | |
599 | |
600 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "worker started"); | |
601 | |
602 ngx_sprintf((u_char *) wtevn, "ngx_worker_term_%ul%Z", ngx_pid); | |
603 events[0] = CreateEvent(NULL, 1, 0, wtevn); | |
604 if (events[0] == NULL) { | |
605 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
606 "CreateEvent(\"%s\") failed", wtevn); | |
607 goto failed; | |
608 } | |
609 | |
610 ngx_sprintf((u_char *) wqevn, "ngx_worker_quit_%ul%Z", ngx_pid); | |
611 events[1] = CreateEvent(NULL, 1, 0, wqevn); | |
612 if (events[1] == NULL) { | |
613 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
614 "CreateEvent(\"%s\") failed", wqevn); | |
615 goto failed; | |
616 } | |
617 | |
618 ngx_sprintf((u_char *) wroevn, "ngx_worker_reopen_%ul%Z", ngx_pid); | |
619 events[2] = CreateEvent(NULL, 1, 0, wroevn); | |
620 if (events[2] == NULL) { | |
621 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
622 "CreateEvent(\"%s\") failed", wroevn); | |
623 goto failed; | |
624 } | |
625 | |
626 mev = OpenEvent(EVENT_MODIFY_STATE, 0, mevn); | |
627 if (mev == NULL) { | |
628 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
629 "OpenEvent(\"%s\") failed", mevn); | |
630 goto failed; | |
631 } | |
632 | |
633 if (SetEvent(mev) == 0) { | |
634 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
635 "SetEvent(\"%s\") failed", mevn); | |
636 goto failed; | |
637 } | |
638 | |
639 | |
640 ngx_sprintf((u_char *) ngx_cache_manager_mutex_name, | |
641 "ngx_cache_manager_mutex_%s%Z", ngx_unique); | |
642 | |
643 ngx_cache_manager_mutex = OpenMutex(SYNCHRONIZE, 0, | |
644 ngx_cache_manager_mutex_name); | |
645 if (ngx_cache_manager_mutex == NULL) { | |
646 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
647 "OpenMutex(\"%s\") failed", ngx_cache_manager_mutex_name); | |
648 goto failed; | |
649 } | |
650 | |
651 ngx_cache_manager_event = CreateEvent(NULL, 1, 0, NULL); | |
652 if (ngx_cache_manager_event == NULL) { | |
653 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
654 "CreateEvent(\"ngx_cache_manager_event\") failed"); | |
655 goto failed; | |
656 } | |
657 | |
658 | |
659 if (ngx_create_thread(&wtid, ngx_worker_thread, NULL, log) != 0) { | |
660 goto failed; | |
661 } | |
662 | |
663 if (ngx_create_thread(&cmtid, ngx_cache_manager_thread, NULL, log) != 0) { | |
664 goto failed; | |
665 } | |
666 | |
3352
5c43621c580a
a cache manager thread handle was overwritten by a cache loader thread handle,
Igor Sysoev <igor@sysoev.ru>
parents:
3035
diff
changeset
|
667 if (ngx_create_thread(&cltid, ngx_cache_loader_thread, NULL, log) != 0) { |
3022 | 668 goto failed; |
669 } | |
670 | |
2725 | 671 for ( ;; ) { |
672 ev = WaitForMultipleObjects(3, events, 0, INFINITE); | |
673 | |
674 err = ngx_errno; | |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
675 ngx_time_update(); |
461 | 676 |
2725 | 677 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, |
678 "worker WaitForMultipleObjects: %ul", ev); | |
679 | |
680 if (ev == WAIT_OBJECT_0) { | |
681 ngx_terminate = 1; | |
682 ngx_log_error(NGX_LOG_NOTICE, log, 0, "exiting"); | |
683 | |
684 if (ResetEvent(events[0]) == 0) { | |
685 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
686 "ResetEvent(\"%s\") failed", wtevn); | |
687 } | |
688 | |
689 break; | |
690 } | |
691 | |
692 if (ev == WAIT_OBJECT_0 + 1) { | |
693 ngx_quit = 1; | |
694 ngx_log_error(NGX_LOG_NOTICE, log, 0, "gracefully shutting down"); | |
695 break; | |
696 } | |
697 | |
698 if (ev == WAIT_OBJECT_0 + 2) { | |
699 ngx_reopen = 1; | |
700 ngx_log_error(NGX_LOG_NOTICE, log, 0, "reopening logs"); | |
701 | |
702 if (ResetEvent(events[2]) == 0) { | |
703 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
704 "ResetEvent(\"%s\") failed", wroevn); | |
705 } | |
706 | |
707 continue; | |
708 } | |
709 | |
710 if (ev == WAIT_FAILED) { | |
711 ngx_log_error(NGX_LOG_ALERT, log, err, | |
712 "WaitForMultipleObjects() failed"); | |
713 | |
714 goto failed; | |
715 } | |
716 } | |
717 | |
718 /* wait threads */ | |
461 | 719 |
2725 | 720 if (SetEvent(ngx_cache_manager_event) == 0) { |
721 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
722 "SetEvent(\"ngx_cache_manager_event\") failed"); | |
723 } | |
724 | |
725 events[1] = wtid; | |
726 events[2] = cmtid; | |
727 | |
728 nev = 3; | |
729 | |
730 for ( ;; ) { | |
731 ev = WaitForMultipleObjects(nev, events, 0, INFINITE); | |
732 | |
733 err = ngx_errno; | |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
734 ngx_time_update(); |
2725 | 735 |
736 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, | |
737 "worker exit WaitForMultipleObjects: %ul", ev); | |
738 | |
739 if (ev == WAIT_OBJECT_0) { | |
740 break; | |
741 } | |
742 | |
743 if (ev == WAIT_OBJECT_0 + 1) { | |
744 if (nev == 2) { | |
745 break; | |
746 } | |
747 | |
748 events[1] = events[2]; | |
749 nev = 2; | |
750 continue; | |
751 } | |
752 | |
753 if (ev == WAIT_OBJECT_0 + 2) { | |
754 nev = 2; | |
755 continue; | |
756 } | |
757 | |
758 if (ev == WAIT_FAILED) { | |
759 ngx_log_error(NGX_LOG_ALERT, log, err, | |
760 "WaitForMultipleObjects() failed"); | |
761 break; | |
762 } | |
461 | 763 } |
764 | |
2725 | 765 ngx_close_handle(ngx_cache_manager_event); |
766 ngx_close_handle(events[0]); | |
767 ngx_close_handle(events[1]); | |
768 ngx_close_handle(events[2]); | |
769 ngx_close_handle(mev); | |
770 | |
771 ngx_worker_process_exit(cycle); | |
772 | |
773 failed: | |
774 | |
775 exit(2); | |
776 } | |
777 | |
778 | |
779 static ngx_thread_value_t __stdcall | |
780 ngx_worker_thread(void *data) | |
781 { | |
782 ngx_int_t n; | |
783 ngx_uint_t i; | |
784 ngx_cycle_t *cycle; | |
785 ngx_connection_t *c; | |
786 | |
787 cycle = (ngx_cycle_t *) ngx_cycle; | |
788 | |
789 for (n = 0; ngx_modules[n]; n++) { | |
790 if (ngx_modules[n]->init_process) { | |
791 if (ngx_modules[n]->init_process(cycle) == NGX_ERROR) { | |
792 /* fatal */ | |
793 exit(2); | |
794 } | |
795 } | |
796 } | |
797 | |
798 while (!ngx_quit) { | |
799 | |
800 if (ngx_exiting) { | |
801 | |
802 c = cycle->connections; | |
803 | |
804 for (i = 0; i < cycle->connection_n; i++) { | |
805 | |
806 /* THREAD: lock */ | |
807 | |
5360
3d2d3e1cf427
Win32: MinGW GCC compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4870
diff
changeset
|
808 if (c[i].fd != (ngx_socket_t) -1 && c[i].idle) { |
2725 | 809 c[i].close = 1; |
810 c[i].read->handler(c[i].read); | |
811 } | |
812 } | |
813 | |
5896
3efdd7788bb0
Events: introduced cancelable timers.
Valentin Bartenev <vbart@nginx.com>
parents:
5633
diff
changeset
|
814 ngx_event_cancel_timers(); |
3efdd7788bb0
Events: introduced cancelable timers.
Valentin Bartenev <vbart@nginx.com>
parents:
5633
diff
changeset
|
815 |
2725 | 816 if (ngx_event_timer_rbtree.root |
817 == ngx_event_timer_rbtree.sentinel) | |
818 { | |
819 break; | |
820 } | |
821 } | |
822 | |
823 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "worker cycle"); | |
824 | |
825 ngx_process_events_and_timers(cycle); | |
826 | |
827 if (ngx_terminate) { | |
828 return 0; | |
829 } | |
830 | |
831 if (ngx_quit) { | |
832 ngx_quit = 0; | |
833 | |
834 if (!ngx_exiting) { | |
835 ngx_close_listening_sockets(cycle); | |
836 ngx_exiting = 1; | |
837 } | |
838 } | |
839 | |
840 if (ngx_reopen) { | |
841 ngx_reopen = 0; | |
842 ngx_reopen_files(cycle, -1); | |
843 } | |
844 } | |
845 | |
846 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); | |
847 | |
848 return 0; | |
849 } | |
850 | |
851 | |
852 static void | |
853 ngx_worker_process_exit(ngx_cycle_t *cycle) | |
854 { | |
855 ngx_uint_t i; | |
856 ngx_connection_t *c; | |
857 | |
858 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit"); | |
859 | |
860 for (i = 0; ngx_modules[i]; i++) { | |
861 if (ngx_modules[i]->exit_process) { | |
862 ngx_modules[i]->exit_process(cycle); | |
863 } | |
864 } | |
865 | |
866 if (ngx_exiting) { | |
867 c = cycle->connections; | |
868 for (i = 0; i < cycle->connection_n; i++) { | |
5360
3d2d3e1cf427
Win32: MinGW GCC compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4870
diff
changeset
|
869 if (c[i].fd != (ngx_socket_t) -1 |
2725 | 870 && c[i].read |
871 && !c[i].read->accept | |
872 && !c[i].read->channel | |
873 && !c[i].read->resolver) | |
874 { | |
875 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
5601
e45fa57ef725
Added connection serial number in logging of left open sockets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5452
diff
changeset
|
876 "*%uA open socket #%d left in connection %ui", |
e45fa57ef725
Added connection serial number in logging of left open sockets.
Sergey Kandaurov <pluknet@nginx.com>
parents:
5452
diff
changeset
|
877 c[i].number, c[i].fd, i); |
2725 | 878 } |
879 } | |
461 | 880 } |
881 | |
2725 | 882 ngx_destroy_pool(cycle->pool); |
883 | |
884 exit(0); | |
885 } | |
886 | |
887 | |
888 static ngx_thread_value_t __stdcall | |
889 ngx_cache_manager_thread(void *data) | |
890 { | |
891 u_long ev; | |
892 HANDLE events[2]; | |
893 ngx_err_t err; | |
894 ngx_cycle_t *cycle; | |
895 | |
896 cycle = (ngx_cycle_t *) ngx_cycle; | |
897 | |
898 events[0] = ngx_cache_manager_event; | |
899 events[1] = ngx_cache_manager_mutex; | |
900 | |
901 for ( ;; ) { | |
902 ev = WaitForMultipleObjects(2, events, 0, INFINITE); | |
903 | |
904 err = ngx_errno; | |
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
905 ngx_time_update(); |
2725 | 906 |
907 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
908 "cache manager WaitForMultipleObjects: %ul", ev); | |
909 | |
910 if (ev == WAIT_FAILED) { | |
911 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
912 "WaitForMultipleObjects() failed"); | |
913 } | |
914 | |
915 /* | |
916 * ev == WAIT_OBJECT_0 | |
917 * ev == WAIT_OBJECT_0 + 1 | |
918 * ev == WAIT_ABANDONED_0 + 1 | |
919 */ | |
920 | |
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921 if (ngx_terminate || ngx_quit || ngx_exiting) { |
2725 | 922 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
923 return 0; | |
924 } | |
925 | |
3021 | 926 break; |
2725 | 927 } |
928 | |
929 for ( ;; ) { | |
930 | |
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931 if (ngx_terminate || ngx_quit || ngx_exiting) { |
2725 | 932 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
933 break; | |
934 } | |
935 | |
936 ngx_cache_manager_process_handler(); | |
937 } | |
938 | |
939 if (ReleaseMutex(ngx_cache_manager_mutex) == 0) { | |
940 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
941 "ReleaseMutex() failed"); | |
942 } | |
943 | |
944 return 0; | |
945 } | |
946 | |
947 | |
948 static void | |
949 ngx_cache_manager_process_handler(void) | |
950 { | |
951 u_long ev; | |
952 time_t next, n; | |
953 ngx_uint_t i; | |
954 ngx_path_t **path; | |
955 | |
956 next = 60 * 60; | |
957 | |
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958 path = ngx_cycle->paths.elts; |
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959 for (i = 0; i < ngx_cycle->paths.nelts; i++) { |
2725 | 960 |
961 if (path[i]->manager) { | |
962 n = path[i]->manager(path[i]->data); | |
963 | |
964 next = (n <= next) ? n : next; | |
965 | |
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966 ngx_time_update(); |
2725 | 967 } |
968 } | |
969 | |
970 if (next == 0) { | |
971 next = 1; | |
972 } | |
973 | |
974 ev = WaitForSingleObject(ngx_cache_manager_event, (u_long) next * 1000); | |
975 | |
976 if (ev != WAIT_TIMEOUT) { | |
977 | |
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978 ngx_time_update(); |
2725 | 979 |
980 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ngx_cycle->log, 0, | |
981 "cache manager WaitForSingleObject: %ul", ev); | |
982 } | |
983 } | |
984 | |
985 | |
3022 | 986 static ngx_thread_value_t __stdcall |
987 ngx_cache_loader_thread(void *data) | |
988 { | |
989 ngx_uint_t i; | |
990 ngx_path_t **path; | |
991 ngx_cycle_t *cycle; | |
992 | |
993 ngx_msleep(60000); | |
994 | |
995 cycle = (ngx_cycle_t *) ngx_cycle; | |
996 | |
4870
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997 path = cycle->paths.elts; |
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998 for (i = 0; i < cycle->paths.nelts; i++) { |
3022 | 999 |
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1000 if (ngx_terminate || ngx_quit || ngx_exiting) { |
3022 | 1001 break; |
1002 } | |
1003 | |
1004 if (path[i]->loader) { | |
1005 path[i]->loader(path[i]->data); | |
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1006 ngx_time_update(); |
3022 | 1007 } |
1008 } | |
1009 | |
1010 return 0; | |
1011 } | |
1012 | |
1013 | |
2725 | 1014 void |
1015 ngx_single_process_cycle(ngx_cycle_t *cycle) | |
1016 { | |
1017 ngx_tid_t tid; | |
1018 | |
1019 ngx_process_init(cycle); | |
1020 | |
1021 ngx_console_init(cycle); | |
1022 | |
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1023 if (ngx_create_signal_events(cycle) != NGX_OK) { |
461 | 1024 exit(2); |
1025 } | |
1026 | |
2725 | 1027 if (ngx_create_thread(&tid, ngx_worker_thread, NULL, cycle->log) != 0) { |
461 | 1028 /* fatal */ |
1029 exit(2); | |
1030 } | |
1031 | |
2725 | 1032 /* STUB */ |
1033 WaitForSingleObject(ngx_stop_event, INFINITE); | |
461 | 1034 } |
1035 | |
1036 | |
2725 | 1037 ngx_int_t |
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1038 ngx_os_signal_process(ngx_cycle_t *cycle, char *sig, ngx_int_t pid) |
461 | 1039 { |
2738
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1040 HANDLE ev; |
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1041 ngx_int_t rc; |
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1042 char evn[NGX_PROCESS_SYNC_NAME]; |
461 | 1043 |
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1044 ngx_sprintf((u_char *) evn, "Global\\ngx_%s_%ul%Z", sig, pid); |
2725 | 1045 |
1046 ev = OpenEvent(EVENT_MODIFY_STATE, 0, evn); | |
1047 if (ev == NULL) { | |
1048 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno, | |
1049 "OpenEvent(\"%s\") failed", evn); | |
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1050 return 1; |
2725 | 1051 } |
461 | 1052 |
2725 | 1053 if (SetEvent(ev) == 0) { |
1054 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
1055 "SetEvent(\"%s\") failed", evn); | |
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1056 rc = 1; |
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1057 |
2725 | 1058 } else { |
1059 rc = 0; | |
1060 } | |
1061 | |
1062 ngx_close_handle(ev); | |
1063 | |
1064 return rc; | |
1065 } | |
461 | 1066 |
1067 | |
2725 | 1068 void |
1069 ngx_close_handle(HANDLE h) | |
1070 { | |
1071 if (CloseHandle(h) == 0) { | |
1072 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_errno, | |
1073 "CloseHandle(%p) failed", h); | |
461 | 1074 } |
1075 } |