Mercurial > hg > nginx
annotate src/os/win32/ngx_process_cycle.c @ 6727:ca709bca4b77
Cache: cache manager limits.
The new parameters "manager_files", "manager_sleep"
and "manager_threshold" were added to proxy_cache_path
and friends.
Note that ngx_path_manager_pt was changed to return ngx_msec_t
instead of time_t (API change).
| author | Dmitry Volyntsev <xeioex@nginx.com> |
|---|---|
| date | Wed, 05 Oct 2016 14:22:30 +0300 |
| parents | 7d4e33092e2a |
| children | 3069dd358ba2 |
| rev | line source |
|---|---|
|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
| 461 | 11 #include <nginx.h> |
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12 |
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13 |
| 2725 | 14 static void ngx_console_init(ngx_cycle_t *cycle); |
| 15 static int __stdcall ngx_console_handler(u_long type); | |
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16 static ngx_int_t ngx_create_signal_events(ngx_cycle_t *cycle); |
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17 static ngx_int_t ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type); |
| 2725 | 18 static void ngx_reopen_worker_processes(ngx_cycle_t *cycle); |
| 19 static void ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old); | |
| 20 static void ngx_terminate_worker_processes(ngx_cycle_t *cycle); | |
| 21 static ngx_uint_t ngx_reap_worker(ngx_cycle_t *cycle, HANDLE h); | |
| 22 static void ngx_master_process_exit(ngx_cycle_t *cycle); | |
| 23 static void ngx_worker_process_cycle(ngx_cycle_t *cycle, char *mevn); | |
| 24 static void ngx_worker_process_exit(ngx_cycle_t *cycle); | |
| 25 static ngx_thread_value_t __stdcall ngx_worker_thread(void *data); | |
| 26 static ngx_thread_value_t __stdcall ngx_cache_manager_thread(void *data); | |
| 27 static void ngx_cache_manager_process_handler(void); | |
| 3022 | 28 static ngx_thread_value_t __stdcall ngx_cache_loader_thread(void *data); |
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29 |
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30 |
| 2725 | 31 ngx_uint_t ngx_process; |
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32 ngx_uint_t ngx_worker; |
| 2725 | 33 ngx_pid_t ngx_pid; |
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34 |
| 2725 | 35 ngx_uint_t ngx_inherited; |
| 36 ngx_pid_t ngx_new_binary; | |
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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; | |
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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) | |
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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_sprintf((u_char *) ngx_master_process_event_name, | |
| 73 "ngx_master_%s%Z", ngx_unique); | |
| 74 | |
| 75 if (ngx_process == NGX_PROCESS_WORKER) { | |
| 76 ngx_worker_process_cycle(cycle, ngx_master_process_event_name); | |
| 77 return; | |
| 78 } | |
| 79 | |
| 80 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "master started"); | |
| 81 | |
| 82 ngx_console_init(cycle); | |
| 83 | |
| 84 SetEnvironmentVariable("ngx_unique", ngx_unique); | |
| 85 | |
| 86 ngx_master_process_event = CreateEvent(NULL, 1, 0, | |
| 87 ngx_master_process_event_name); | |
| 88 if (ngx_master_process_event == NULL) { | |
| 89 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 90 "CreateEvent(\"%s\") failed", | |
| 91 ngx_master_process_event_name); | |
| 92 exit(2); | |
| 93 } | |
| 94 | |
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95 if (ngx_create_signal_events(cycle) != NGX_OK) { |
| 2725 | 96 exit(2); |
| 97 } | |
| 98 | |
| 99 ngx_sprintf((u_char *) ngx_cache_manager_mutex_name, | |
| 100 "ngx_cache_manager_mutex_%s%Z", ngx_unique); | |
| 101 | |
| 102 ngx_cache_manager_mutex = CreateMutex(NULL, 0, | |
| 103 ngx_cache_manager_mutex_name); | |
| 104 if (ngx_cache_manager_mutex == NULL) { | |
| 105 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 106 "CreateMutex(\"%s\") failed", ngx_cache_manager_mutex_name); | |
| 107 exit(2); | |
| 108 } | |
| 109 | |
| 110 | |
| 111 events[0] = ngx_stop_event; | |
| 112 events[1] = ngx_quit_event; | |
| 113 events[2] = ngx_reopen_event; | |
| 114 events[3] = ngx_reload_event; | |
| 115 | |
| 116 ngx_close_listening_sockets(cycle); | |
| 117 | |
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118 if (ngx_start_worker_processes(cycle, NGX_PROCESS_RESPAWN) == 0) { |
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119 exit(2); |
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120 } |
| 2725 | 121 |
| 122 timer = 0; | |
| 123 timeout = INFINITE; | |
| 124 | |
| 125 for ( ;; ) { | |
| 126 | |
| 127 nev = 4; | |
| 128 for (n = 0; n < ngx_last_process; n++) { | |
| 129 if (ngx_processes[n].handle) { | |
| 130 events[nev++] = ngx_processes[n].handle; | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 if (timer) { | |
| 135 timeout = timer > ngx_current_msec ? timer - ngx_current_msec : 0; | |
| 136 } | |
| 137 | |
| 138 ev = WaitForMultipleObjects(nev, events, 0, timeout); | |
| 139 | |
| 140 err = ngx_errno; | |
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141 ngx_time_update(); |
| 2725 | 142 |
| 143 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
| 144 "master WaitForMultipleObjects: %ul", ev); | |
| 145 | |
| 146 if (ev == WAIT_OBJECT_0) { | |
| 147 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); | |
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148 |
| 2725 | 149 if (ResetEvent(ngx_stop_event) == 0) { |
| 150 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 151 "ResetEvent(\"%s\") failed", ngx_stop_event_name); | |
| 152 } | |
| 153 | |
| 154 if (timer == 0) { | |
| 155 timer = ngx_current_msec + 5000; | |
| 156 } | |
| 157 | |
| 158 ngx_terminate = 1; | |
| 159 ngx_quit_worker_processes(cycle, 0); | |
| 160 | |
| 161 continue; | |
| 162 } | |
| 163 | |
| 164 if (ev == WAIT_OBJECT_0 + 1) { | |
| 165 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "shutting down"); | |
| 166 | |
| 167 if (ResetEvent(ngx_quit_event) == 0) { | |
| 168 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 169 "ResetEvent(\"%s\") failed", ngx_quit_event_name); | |
| 170 } | |
| 171 | |
| 172 ngx_quit = 1; | |
| 173 ngx_quit_worker_processes(cycle, 0); | |
| 174 | |
| 175 continue; | |
| 176 } | |
| 177 | |
| 178 if (ev == WAIT_OBJECT_0 + 2) { | |
| 179 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reopening logs"); | |
| 180 | |
| 181 if (ResetEvent(ngx_reopen_event) == 0) { | |
| 182 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 183 "ResetEvent(\"%s\") failed", | |
| 184 ngx_reopen_event_name); | |
| 185 } | |
| 186 | |
| 187 ngx_reopen_files(cycle, -1); | |
| 188 ngx_reopen_worker_processes(cycle); | |
| 189 | |
| 190 continue; | |
| 191 } | |
| 192 | |
| 193 if (ev == WAIT_OBJECT_0 + 3) { | |
| 194 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "reconfiguring"); | |
| 195 | |
| 196 if (ResetEvent(ngx_reload_event) == 0) { | |
| 197 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 198 "ResetEvent(\"%s\") failed", | |
| 199 ngx_reload_event_name); | |
| 200 } | |
| 201 | |
| 2823 | 202 cycle = ngx_init_cycle(cycle); |
| 203 if (cycle == NULL) { | |
| 204 cycle = (ngx_cycle_t *) ngx_cycle; | |
| 205 continue; | |
| 206 } | |
| 207 | |
| 208 ngx_cycle = cycle; | |
| 209 | |
| 2928 | 210 ngx_close_listening_sockets(cycle); |
| 211 | |
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212 if (ngx_start_worker_processes(cycle, NGX_PROCESS_JUST_RESPAWN)) { |
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213 ngx_quit_worker_processes(cycle, 1); |
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214 } |
| 2725 | 215 |
| 216 continue; | |
| 217 } | |
| 218 | |
| 219 if (ev > WAIT_OBJECT_0 + 3 && ev < WAIT_OBJECT_0 + nev) { | |
| 220 | |
| 221 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "reap worker"); | |
| 222 | |
| 223 live = ngx_reap_worker(cycle, events[ev]); | |
| 224 | |
| 225 if (!live && (ngx_terminate || ngx_quit)) { | |
| 226 ngx_master_process_exit(cycle); | |
| 227 } | |
| 228 | |
| 229 continue; | |
| 230 } | |
| 231 | |
| 232 if (ev == WAIT_TIMEOUT) { | |
| 233 ngx_terminate_worker_processes(cycle); | |
| 234 | |
| 235 ngx_master_process_exit(cycle); | |
| 236 } | |
| 237 | |
| 238 if (ev == WAIT_FAILED) { | |
| 239 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
| 240 "WaitForMultipleObjects() failed"); | |
| 241 | |
| 242 continue; | |
| 243 } | |
| 244 | |
| 245 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, | |
| 246 "WaitForMultipleObjects() returned unexpected value %ul", ev); | |
| 247 } | |
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248 } |
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250 |
| 2725 | 251 static void |
| 252 ngx_console_init(ngx_cycle_t *cycle) | |
| 253 { | |
| 254 ngx_core_conf_t *ccf; | |
| 255 | |
| 256 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); | |
| 257 | |
| 258 if (ccf->daemon) { | |
| 259 if (FreeConsole() == 0) { | |
| 260 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 261 "FreeConsole() failed"); | |
| 262 } | |
| 263 | |
| 264 return; | |
| 265 } | |
| 266 | |
| 267 if (SetConsoleCtrlHandler(ngx_console_handler, 1) == 0) { | |
| 268 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 269 "SetConsoleCtrlHandler() failed"); | |
| 270 } | |
| 271 } | |
| 272 | |
| 273 | |
| 274 static int __stdcall | |
| 275 ngx_console_handler(u_long type) | |
| 276 { | |
| 277 char *msg; | |
| 278 | |
| 279 switch (type) { | |
| 280 | |
| 281 case CTRL_C_EVENT: | |
| 282 msg = "Ctrl-C pressed, exiting"; | |
| 283 break; | |
| 284 | |
| 285 case CTRL_BREAK_EVENT: | |
| 286 msg = "Ctrl-Break pressed, exiting"; | |
| 287 break; | |
| 288 | |
| 289 case CTRL_CLOSE_EVENT: | |
| 290 msg = "console closing, exiting"; | |
| 291 break; | |
| 292 | |
| 293 case CTRL_LOGOFF_EVENT: | |
| 294 msg = "user logs off, exiting"; | |
| 295 break; | |
| 296 | |
| 297 default: | |
| 298 return 0; | |
| 299 } | |
| 300 | |
| 301 ngx_log_error(NGX_LOG_NOTICE, ngx_cycle->log, 0, msg); | |
| 302 | |
| 303 if (ngx_stop_event == NULL) { | |
| 304 return 1; | |
| 305 } | |
| 306 | |
| 307 if (SetEvent(ngx_stop_event) == 0) { | |
| 308 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, 0, | |
| 309 "SetEvent(\"%s\") failed", ngx_stop_event_name); | |
| 2627 | 310 } |
| 311 | |
| 2725 | 312 return 1; |
| 313 } | |
| 314 | |
| 315 | |
| 316 static ngx_int_t | |
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317 ngx_create_signal_events(ngx_cycle_t *cycle) |
| 2725 | 318 { |
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319 ngx_sprintf((u_char *) ngx_stop_event_name, |
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320 "Global\\ngx_stop_%s%Z", ngx_unique); |
| 2725 | 321 |
| 322 ngx_stop_event = CreateEvent(NULL, 1, 0, ngx_stop_event_name); | |
| 323 if (ngx_stop_event == NULL) { | |
| 324 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 325 "CreateEvent(\"%s\") failed", ngx_stop_event_name); | |
| 326 return NGX_ERROR; | |
| 327 } | |
| 328 | |
| 329 | |
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330 ngx_sprintf((u_char *) ngx_quit_event_name, |
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331 "Global\\ngx_quit_%s%Z", ngx_unique); |
| 2725 | 332 |
| 333 ngx_quit_event = CreateEvent(NULL, 1, 0, ngx_quit_event_name); | |
| 334 if (ngx_quit_event == NULL) { | |
| 335 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 336 "CreateEvent(\"%s\") failed", ngx_quit_event_name); | |
| 337 return NGX_ERROR; | |
| 338 } | |
| 339 | |
| 340 | |
| 341 ngx_sprintf((u_char *) ngx_reopen_event_name, | |
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342 "Global\\ngx_reopen_%s%Z", ngx_unique); |
| 2725 | 343 |
| 344 ngx_reopen_event = CreateEvent(NULL, 1, 0, ngx_reopen_event_name); | |
| 345 if (ngx_reopen_event == NULL) { | |
| 346 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 347 "CreateEvent(\"%s\") failed", ngx_reopen_event_name); | |
| 348 return NGX_ERROR; | |
| 349 } | |
| 350 | |
| 351 | |
| 352 ngx_sprintf((u_char *) ngx_reload_event_name, | |
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353 "Global\\ngx_reload_%s%Z", ngx_unique); |
| 2725 | 354 |
| 355 ngx_reload_event = CreateEvent(NULL, 1, 0, ngx_reload_event_name); | |
| 356 if (ngx_reload_event == NULL) { | |
| 357 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 358 "CreateEvent(\"%s\") failed", ngx_reload_event_name); | |
| 359 return NGX_ERROR; | |
| 360 } | |
| 361 | |
| 362 return NGX_OK; | |
| 363 } | |
| 364 | |
| 365 | |
|
2922
f0604d0b28a6
*) exit if no workers could not be started
Igor Sysoev <igor@sysoev.ru>
parents:
2921
diff
changeset
|
366 static ngx_int_t |
| 2725 | 367 ngx_start_worker_processes(ngx_cycle_t *cycle, ngx_int_t type) |
| 368 { | |
| 369 ngx_int_t n; | |
| 370 ngx_core_conf_t *ccf; | |
| 371 | |
| 372 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "start worker processes"); | |
| 373 | |
| 374 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module); | |
| 375 | |
| 376 for (n = 0; n < ccf->worker_processes; n++) { | |
| 377 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
|
378 break; |
| 2725 | 379 } |
| 380 } | |
|
2922
f0604d0b28a6
*) exit if no workers could not be started
Igor Sysoev <igor@sysoev.ru>
parents:
2921
diff
changeset
|
381 |
|
f0604d0b28a6
*) exit if no workers could not be started
Igor Sysoev <igor@sysoev.ru>
parents:
2921
diff
changeset
|
382 return n; |
| 2627 | 383 } |
| 384 | |
| 385 | |
| 2725 | 386 static void |
| 387 ngx_reopen_worker_processes(ngx_cycle_t *cycle) | |
| 388 { | |
| 389 ngx_int_t n; | |
| 390 | |
| 391 for (n = 0; n < ngx_last_process; n++) { | |
| 392 | |
| 393 if (ngx_processes[n].handle == NULL) { | |
| 394 continue; | |
| 395 } | |
| 396 | |
| 397 if (SetEvent(ngx_processes[n].reopen) == 0) { | |
| 398 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 399 "SetEvent(\"%s\") failed", | |
| 400 ngx_processes[n].reopen_event); | |
| 401 } | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 | |
| 406 static void | |
| 407 ngx_quit_worker_processes(ngx_cycle_t *cycle, ngx_uint_t old) | |
| 2627 | 408 { |
| 2725 | 409 ngx_int_t n; |
| 410 | |
| 411 for (n = 0; n < ngx_last_process; n++) { | |
| 412 | |
| 413 ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
| 2921 | 414 "process: %d %P %p e:%d j:%d", |
| 2725 | 415 n, |
| 416 ngx_processes[n].pid, | |
| 417 ngx_processes[n].handle, | |
| 418 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
|
419 ngx_processes[n].just_spawn); |
| 2725 | 420 |
|
3016
d82993af1da0
introduce NGX_PROCESS_JUST_SPAWN and change field name accordingly
Igor Sysoev <igor@sysoev.ru>
parents:
2928
diff
changeset
|
421 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
|
422 ngx_processes[n].just_spawn = 0; |
| 2725 | 423 continue; |
| 424 } | |
| 425 | |
| 426 if (ngx_processes[n].handle == NULL) { | |
| 427 continue; | |
| 428 } | |
| 429 | |
| 430 if (SetEvent(ngx_processes[n].quit) == 0) { | |
| 431 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 432 "SetEvent(\"%s\") failed", | |
| 433 ngx_processes[n].quit_event); | |
| 434 } | |
| 435 | |
| 436 ngx_processes[n].exiting = 1; | |
| 437 } | |
| 438 } | |
| 439 | |
| 440 | |
| 441 static void | |
| 442 ngx_terminate_worker_processes(ngx_cycle_t *cycle) | |
| 443 { | |
| 444 ngx_int_t n; | |
| 445 | |
| 446 for (n = 0; n < ngx_last_process; n++) { | |
| 447 | |
| 448 if (ngx_processes[n].handle == NULL) { | |
| 449 continue; | |
| 450 } | |
| 451 | |
| 452 if (TerminateProcess(ngx_processes[n].handle, 0) == 0) { | |
| 453 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 454 "TerminateProcess(\"%p\") failed", | |
| 455 ngx_processes[n].handle); | |
| 456 } | |
| 457 | |
| 458 ngx_processes[n].exiting = 1; | |
| 2627 | 459 |
| 2725 | 460 ngx_close_handle(ngx_processes[n].reopen); |
| 461 ngx_close_handle(ngx_processes[n].quit); | |
| 462 ngx_close_handle(ngx_processes[n].term); | |
| 463 ngx_close_handle(ngx_processes[n].handle); | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 | |
| 468 static ngx_uint_t | |
| 469 ngx_reap_worker(ngx_cycle_t *cycle, HANDLE h) | |
| 470 { | |
| 471 u_long code; | |
| 472 ngx_int_t n; | |
| 473 | |
| 474 for (n = 0; n < ngx_last_process; n++) { | |
| 475 | |
| 476 if (ngx_processes[n].handle != h) { | |
| 477 continue; | |
| 478 } | |
| 479 | |
| 480 if (GetExitCodeProcess(h, &code) == 0) { | |
|
2908
234a8248812c
log GetExitCodeProcess()'s errno
Igor Sysoev <igor@sysoev.ru>
parents:
2823
diff
changeset
|
481 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, |
| 2725 | 482 "GetExitCodeProcess(%P) failed", |
| 483 ngx_processes[n].pid); | |
| 484 } | |
| 485 | |
| 486 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, | |
|
6509
7640d6c213e1
Removed redundant "u" format specifier.
Ruslan Ermilov <ru@nginx.com>
parents:
6483
diff
changeset
|
487 "%s process %P exited with code %Xl", |
| 2725 | 488 ngx_processes[n].name, ngx_processes[n].pid, code); |
| 489 | |
| 490 ngx_close_handle(ngx_processes[n].reopen); | |
| 491 ngx_close_handle(ngx_processes[n].quit); | |
| 492 ngx_close_handle(ngx_processes[n].term); | |
| 493 ngx_close_handle(h); | |
| 2627 | 494 |
| 2725 | 495 ngx_processes[n].handle = NULL; |
| 496 ngx_processes[n].term = NULL; | |
| 497 ngx_processes[n].quit = NULL; | |
| 498 ngx_processes[n].reopen = NULL; | |
| 499 | |
| 500 if (!ngx_processes[n].exiting && !ngx_terminate && !ngx_quit) { | |
| 501 | |
| 502 if (ngx_spawn_process(cycle, ngx_processes[n].name, n) | |
| 503 == NGX_INVALID_PID) | |
| 504 { | |
| 505 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
|
506 "could not respawn %s", ngx_processes[n].name); |
| 2725 | 507 |
| 508 if (n == ngx_last_process - 1) { | |
| 509 ngx_last_process--; | |
| 510 } | |
| 511 } | |
| 512 } | |
| 2627 | 513 |
| 2725 | 514 goto found; |
| 515 } | |
| 516 | |
| 517 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, "unknown process handle %p", h); | |
| 518 | |
| 519 found: | |
| 520 | |
| 521 for (n = 0; n < ngx_last_process; n++) { | |
| 522 | |
| 523 ngx_log_debug5(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
| 2921 | 524 "process: %d %P %p e:%d j:%d", |
| 2725 | 525 n, |
| 526 ngx_processes[n].pid, | |
| 527 ngx_processes[n].handle, | |
| 528 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
|
529 ngx_processes[n].just_spawn); |
| 2725 | 530 |
| 531 if (ngx_processes[n].handle) { | |
| 532 return 1; | |
| 533 } | |
| 2627 | 534 } |
| 535 | |
| 536 return 0; | |
| 537 } | |
| 538 | |
| 539 | |
| 540 static void | |
| 2725 | 541 ngx_master_process_exit(ngx_cycle_t *cycle) |
| 542 { | |
| 543 ngx_uint_t i; | |
| 544 | |
| 545 ngx_delete_pidfile(cycle); | |
| 546 | |
| 547 ngx_close_handle(ngx_cache_manager_mutex); | |
| 548 ngx_close_handle(ngx_stop_event); | |
| 549 ngx_close_handle(ngx_quit_event); | |
| 550 ngx_close_handle(ngx_reopen_event); | |
| 551 ngx_close_handle(ngx_reload_event); | |
| 552 ngx_close_handle(ngx_master_process_event); | |
| 553 | |
| 554 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit"); | |
| 555 | |
|
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
556 for (i = 0; cycle->modules[i]; i++) { |
|
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
557 if (cycle->modules[i]->exit_master) { |
|
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
558 cycle->modules[i]->exit_master(cycle); |
| 2725 | 559 } |
| 560 } | |
| 561 | |
| 562 ngx_destroy_pool(cycle->pool); | |
| 563 | |
| 564 exit(0); | |
| 565 } | |
| 566 | |
| 567 | |
| 568 static void | |
| 569 ngx_worker_process_cycle(ngx_cycle_t *cycle, char *mevn) | |
| 2627 | 570 { |
| 2725 | 571 char wtevn[NGX_PROCESS_SYNC_NAME]; |
| 572 char wqevn[NGX_PROCESS_SYNC_NAME]; | |
| 573 char wroevn[NGX_PROCESS_SYNC_NAME]; | |
| 574 HANDLE mev, events[3]; | |
| 575 u_long nev, ev; | |
| 576 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
|
577 ngx_tid_t wtid, cmtid, cltid; |
| 2725 | 578 ngx_log_t *log; |
| 579 | |
| 580 log = cycle->log; | |
| 581 | |
| 582 ngx_log_debug0(NGX_LOG_DEBUG_CORE, log, 0, "worker started"); | |
| 583 | |
|
6482
2b7dacb381ed
Fixed ngx_pid_t formatting in ngx_sprintf() and logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6379
diff
changeset
|
584 ngx_sprintf((u_char *) wtevn, "ngx_worker_term_%P%Z", ngx_pid); |
| 2725 | 585 events[0] = CreateEvent(NULL, 1, 0, wtevn); |
| 586 if (events[0] == NULL) { | |
| 587 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 588 "CreateEvent(\"%s\") failed", wtevn); | |
| 589 goto failed; | |
| 590 } | |
| 591 | |
|
6482
2b7dacb381ed
Fixed ngx_pid_t formatting in ngx_sprintf() and logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6379
diff
changeset
|
592 ngx_sprintf((u_char *) wqevn, "ngx_worker_quit_%P%Z", ngx_pid); |
| 2725 | 593 events[1] = CreateEvent(NULL, 1, 0, wqevn); |
| 594 if (events[1] == NULL) { | |
| 595 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 596 "CreateEvent(\"%s\") failed", wqevn); | |
| 597 goto failed; | |
| 598 } | |
| 599 | |
|
6482
2b7dacb381ed
Fixed ngx_pid_t formatting in ngx_sprintf() and logging.
Sergey Kandaurov <pluknet@nginx.com>
parents:
6379
diff
changeset
|
600 ngx_sprintf((u_char *) wroevn, "ngx_worker_reopen_%P%Z", ngx_pid); |
| 2725 | 601 events[2] = CreateEvent(NULL, 1, 0, wroevn); |
| 602 if (events[2] == NULL) { | |
| 603 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 604 "CreateEvent(\"%s\") failed", wroevn); | |
| 605 goto failed; | |
| 606 } | |
| 607 | |
| 608 mev = OpenEvent(EVENT_MODIFY_STATE, 0, mevn); | |
| 609 if (mev == NULL) { | |
| 610 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 611 "OpenEvent(\"%s\") failed", mevn); | |
| 612 goto failed; | |
| 613 } | |
| 614 | |
| 615 if (SetEvent(mev) == 0) { | |
| 616 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 617 "SetEvent(\"%s\") failed", mevn); | |
| 618 goto failed; | |
| 619 } | |
| 620 | |
| 621 | |
| 622 ngx_sprintf((u_char *) ngx_cache_manager_mutex_name, | |
| 623 "ngx_cache_manager_mutex_%s%Z", ngx_unique); | |
| 624 | |
| 625 ngx_cache_manager_mutex = OpenMutex(SYNCHRONIZE, 0, | |
| 626 ngx_cache_manager_mutex_name); | |
| 627 if (ngx_cache_manager_mutex == NULL) { | |
| 628 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 629 "OpenMutex(\"%s\") failed", ngx_cache_manager_mutex_name); | |
| 630 goto failed; | |
| 631 } | |
| 632 | |
| 633 ngx_cache_manager_event = CreateEvent(NULL, 1, 0, NULL); | |
| 634 if (ngx_cache_manager_event == NULL) { | |
| 635 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 636 "CreateEvent(\"ngx_cache_manager_event\") failed"); | |
| 637 goto failed; | |
| 638 } | |
| 639 | |
| 640 | |
| 641 if (ngx_create_thread(&wtid, ngx_worker_thread, NULL, log) != 0) { | |
| 642 goto failed; | |
| 643 } | |
| 644 | |
| 645 if (ngx_create_thread(&cmtid, ngx_cache_manager_thread, NULL, log) != 0) { | |
| 646 goto failed; | |
| 647 } | |
| 648 | |
|
3352
5c43621c580a
a cache manager thread handle was overwritten by a cache loader thread handle,
Igor Sysoev <igor@sysoev.ru>
parents:
3035
diff
changeset
|
649 if (ngx_create_thread(&cltid, ngx_cache_loader_thread, NULL, log) != 0) { |
| 3022 | 650 goto failed; |
| 651 } | |
| 652 | |
| 2725 | 653 for ( ;; ) { |
| 654 ev = WaitForMultipleObjects(3, events, 0, INFINITE); | |
| 655 | |
| 656 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
|
657 ngx_time_update(); |
| 461 | 658 |
| 2725 | 659 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, |
| 660 "worker WaitForMultipleObjects: %ul", ev); | |
| 661 | |
| 662 if (ev == WAIT_OBJECT_0) { | |
| 663 ngx_terminate = 1; | |
| 664 ngx_log_error(NGX_LOG_NOTICE, log, 0, "exiting"); | |
| 665 | |
| 666 if (ResetEvent(events[0]) == 0) { | |
| 667 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
| 668 "ResetEvent(\"%s\") failed", wtevn); | |
| 669 } | |
| 670 | |
| 671 break; | |
| 672 } | |
| 673 | |
| 674 if (ev == WAIT_OBJECT_0 + 1) { | |
| 675 ngx_quit = 1; | |
| 676 ngx_log_error(NGX_LOG_NOTICE, log, 0, "gracefully shutting down"); | |
| 677 break; | |
| 678 } | |
| 679 | |
| 680 if (ev == WAIT_OBJECT_0 + 2) { | |
| 681 ngx_reopen = 1; | |
| 682 ngx_log_error(NGX_LOG_NOTICE, log, 0, "reopening logs"); | |
| 683 | |
| 684 if (ResetEvent(events[2]) == 0) { | |
| 685 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
| 686 "ResetEvent(\"%s\") failed", wroevn); | |
| 687 } | |
| 688 | |
| 689 continue; | |
| 690 } | |
| 691 | |
| 692 if (ev == WAIT_FAILED) { | |
| 693 ngx_log_error(NGX_LOG_ALERT, log, err, | |
| 694 "WaitForMultipleObjects() failed"); | |
| 695 | |
| 696 goto failed; | |
| 697 } | |
| 698 } | |
| 699 | |
| 700 /* wait threads */ | |
| 461 | 701 |
| 2725 | 702 if (SetEvent(ngx_cache_manager_event) == 0) { |
| 703 ngx_log_error(NGX_LOG_ALERT, log, ngx_errno, | |
| 704 "SetEvent(\"ngx_cache_manager_event\") failed"); | |
| 705 } | |
| 706 | |
| 707 events[1] = wtid; | |
| 708 events[2] = cmtid; | |
| 709 | |
| 710 nev = 3; | |
| 711 | |
| 712 for ( ;; ) { | |
| 713 ev = WaitForMultipleObjects(nev, events, 0, INFINITE); | |
| 714 | |
| 715 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
|
716 ngx_time_update(); |
| 2725 | 717 |
| 718 ngx_log_debug1(NGX_LOG_DEBUG_CORE, log, 0, | |
| 719 "worker exit WaitForMultipleObjects: %ul", ev); | |
| 720 | |
| 721 if (ev == WAIT_OBJECT_0) { | |
| 722 break; | |
| 723 } | |
| 724 | |
| 725 if (ev == WAIT_OBJECT_0 + 1) { | |
| 726 if (nev == 2) { | |
| 727 break; | |
| 728 } | |
| 729 | |
| 730 events[1] = events[2]; | |
| 731 nev = 2; | |
| 732 continue; | |
| 733 } | |
| 734 | |
| 735 if (ev == WAIT_OBJECT_0 + 2) { | |
| 736 nev = 2; | |
| 737 continue; | |
| 738 } | |
| 739 | |
| 740 if (ev == WAIT_FAILED) { | |
| 741 ngx_log_error(NGX_LOG_ALERT, log, err, | |
| 742 "WaitForMultipleObjects() failed"); | |
| 743 break; | |
| 744 } | |
| 461 | 745 } |
| 746 | |
| 2725 | 747 ngx_close_handle(ngx_cache_manager_event); |
| 748 ngx_close_handle(events[0]); | |
| 749 ngx_close_handle(events[1]); | |
| 750 ngx_close_handle(events[2]); | |
| 751 ngx_close_handle(mev); | |
| 752 | |
| 753 ngx_worker_process_exit(cycle); | |
| 754 | |
| 755 failed: | |
| 756 | |
| 757 exit(2); | |
| 758 } | |
| 759 | |
| 760 | |
| 761 static ngx_thread_value_t __stdcall | |
| 762 ngx_worker_thread(void *data) | |
| 763 { | |
|
6220
5e6142609e48
Core: idle connections now closed only once on exiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6151
diff
changeset
|
764 ngx_int_t n; |
|
6651
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6649
diff
changeset
|
765 ngx_time_t *tp; |
|
6220
5e6142609e48
Core: idle connections now closed only once on exiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6151
diff
changeset
|
766 ngx_cycle_t *cycle; |
| 2725 | 767 |
|
6651
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6649
diff
changeset
|
768 tp = ngx_timeofday(); |
|
7d4e33092e2a
Always seed PRNG with PID, seconds, and milliseconds.
Ruslan Ermilov <ru@nginx.com>
parents:
6649
diff
changeset
|
769 srand((ngx_pid << 16) ^ (unsigned) tp->sec ^ tp->msec); |
|
6649
09c918460cc6
Win32: added per-thread random seeding.
Ruslan Ermilov <ru@nginx.com>
parents:
6509
diff
changeset
|
770 |
| 2725 | 771 cycle = (ngx_cycle_t *) ngx_cycle; |
| 772 | |
|
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
773 for (n = 0; cycle->modules[n]; n++) { |
|
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
774 if (cycle->modules[n]->init_process) { |
|
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
775 if (cycle->modules[n]->init_process(cycle) == NGX_ERROR) { |
| 2725 | 776 /* fatal */ |
| 777 exit(2); | |
| 778 } | |
| 779 } | |
| 780 } | |
| 781 | |
| 782 while (!ngx_quit) { | |
| 783 | |
| 784 if (ngx_exiting) { | |
|
5896
3efdd7788bb0
Events: introduced cancelable timers.
Valentin Bartenev <vbart@nginx.com>
parents:
5633
diff
changeset
|
785 ngx_event_cancel_timers(); |
|
3efdd7788bb0
Events: introduced cancelable timers.
Valentin Bartenev <vbart@nginx.com>
parents:
5633
diff
changeset
|
786 |
| 2725 | 787 if (ngx_event_timer_rbtree.root |
| 788 == ngx_event_timer_rbtree.sentinel) | |
| 789 { | |
| 790 break; | |
| 791 } | |
| 792 } | |
| 793 | |
| 794 ngx_log_debug0(NGX_LOG_DEBUG_CORE, cycle->log, 0, "worker cycle"); | |
| 795 | |
| 796 ngx_process_events_and_timers(cycle); | |
| 797 | |
| 798 if (ngx_terminate) { | |
| 799 return 0; | |
| 800 } | |
| 801 | |
| 802 if (ngx_quit) { | |
| 803 ngx_quit = 0; | |
| 804 | |
| 805 if (!ngx_exiting) { | |
|
6220
5e6142609e48
Core: idle connections now closed only once on exiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6151
diff
changeset
|
806 ngx_exiting = 1; |
| 2725 | 807 ngx_close_listening_sockets(cycle); |
|
6220
5e6142609e48
Core: idle connections now closed only once on exiting.
Valentin Bartenev <vbart@nginx.com>
parents:
6151
diff
changeset
|
808 ngx_close_idle_connections(cycle); |
| 2725 | 809 } |
| 810 } | |
| 811 | |
| 812 if (ngx_reopen) { | |
| 813 ngx_reopen = 0; | |
| 814 ngx_reopen_files(cycle, -1); | |
| 815 } | |
| 816 } | |
| 817 | |
| 818 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); | |
| 819 | |
| 820 return 0; | |
| 821 } | |
| 822 | |
| 823 | |
| 824 static void | |
| 825 ngx_worker_process_exit(ngx_cycle_t *cycle) | |
| 826 { | |
| 827 ngx_uint_t i; | |
| 828 ngx_connection_t *c; | |
| 829 | |
| 830 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exit"); | |
| 831 | |
|
6379
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
832 for (i = 0; cycle->modules[i]; i++) { |
|
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
833 if (cycle->modules[i]->exit_process) { |
|
cf5e822cf470
Dynamic modules: changed ngx_modules to cycle->modules.
Maxim Dounin <mdounin@mdounin.ru>
parents:
6220
diff
changeset
|
834 cycle->modules[i]->exit_process(cycle); |
| 2725 | 835 } |
| 836 } | |
| 837 | |
| 838 if (ngx_exiting) { | |
| 839 c = cycle->connections; | |
| 840 for (i = 0; i < cycle->connection_n; i++) { | |
|
5360
3d2d3e1cf427
Win32: MinGW GCC compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4870
diff
changeset
|
841 if (c[i].fd != (ngx_socket_t) -1 |
| 2725 | 842 && c[i].read |
| 843 && !c[i].read->accept | |
| 844 && !c[i].read->channel | |
| 845 && !c[i].read->resolver) | |
| 846 { | |
| 847 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
|
848 "*%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
|
849 c[i].number, c[i].fd, i); |
| 2725 | 850 } |
| 851 } | |
| 461 | 852 } |
| 853 | |
| 2725 | 854 ngx_destroy_pool(cycle->pool); |
| 855 | |
| 856 exit(0); | |
| 857 } | |
| 858 | |
| 859 | |
| 860 static ngx_thread_value_t __stdcall | |
| 861 ngx_cache_manager_thread(void *data) | |
| 862 { | |
| 863 u_long ev; | |
| 864 HANDLE events[2]; | |
| 865 ngx_err_t err; | |
| 866 ngx_cycle_t *cycle; | |
| 867 | |
| 868 cycle = (ngx_cycle_t *) ngx_cycle; | |
| 869 | |
| 870 events[0] = ngx_cache_manager_event; | |
| 871 events[1] = ngx_cache_manager_mutex; | |
| 872 | |
| 873 for ( ;; ) { | |
| 874 ev = WaitForMultipleObjects(2, events, 0, INFINITE); | |
| 875 | |
| 876 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
|
877 ngx_time_update(); |
| 2725 | 878 |
| 879 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, | |
| 880 "cache manager WaitForMultipleObjects: %ul", ev); | |
| 881 | |
| 882 if (ev == WAIT_FAILED) { | |
| 883 ngx_log_error(NGX_LOG_ALERT, cycle->log, err, | |
| 884 "WaitForMultipleObjects() failed"); | |
| 885 } | |
| 886 | |
| 887 /* | |
| 888 * ev == WAIT_OBJECT_0 | |
| 889 * ev == WAIT_OBJECT_0 + 1 | |
| 890 * ev == WAIT_ABANDONED_0 + 1 | |
| 891 */ | |
| 892 | |
|
5633
b74f1106f920
Win32: fixed cpu hog by cache manager on exit (ticket #514).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5601
diff
changeset
|
893 if (ngx_terminate || ngx_quit || ngx_exiting) { |
| 2725 | 894 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
| 895 return 0; | |
| 896 } | |
| 897 | |
| 3021 | 898 break; |
| 2725 | 899 } |
| 900 | |
| 901 for ( ;; ) { | |
| 902 | |
|
5633
b74f1106f920
Win32: fixed cpu hog by cache manager on exit (ticket #514).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5601
diff
changeset
|
903 if (ngx_terminate || ngx_quit || ngx_exiting) { |
| 2725 | 904 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0, "exiting"); |
| 905 break; | |
| 906 } | |
| 907 | |
| 908 ngx_cache_manager_process_handler(); | |
| 909 } | |
| 910 | |
| 911 if (ReleaseMutex(ngx_cache_manager_mutex) == 0) { | |
| 912 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 913 "ReleaseMutex() failed"); | |
| 914 } | |
| 915 | |
| 916 return 0; | |
| 917 } | |
| 918 | |
| 919 | |
| 920 static void | |
| 921 ngx_cache_manager_process_handler(void) | |
| 922 { | |
| 923 u_long ev; | |
| 924 ngx_uint_t i; | |
|
6727
ca709bca4b77
Cache: cache manager limits.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6651
diff
changeset
|
925 ngx_msec_t next, n; |
| 2725 | 926 ngx_path_t **path; |
| 927 | |
|
6727
ca709bca4b77
Cache: cache manager limits.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6651
diff
changeset
|
928 next = 60 * 60 * 1000; |
| 2725 | 929 |
|
4870
8a9b7b4e9f2d
Correct plural form for "path" in the whole source base.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
930 path = ngx_cycle->paths.elts; |
|
8a9b7b4e9f2d
Correct plural form for "path" in the whole source base.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
931 for (i = 0; i < ngx_cycle->paths.nelts; i++) { |
| 2725 | 932 |
| 933 if (path[i]->manager) { | |
| 934 n = path[i]->manager(path[i]->data); | |
| 935 | |
| 936 next = (n <= next) ? n : next; | |
| 937 | |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
938 ngx_time_update(); |
| 2725 | 939 } |
| 940 } | |
| 941 | |
| 942 if (next == 0) { | |
| 943 next = 1; | |
| 944 } | |
| 945 | |
|
6727
ca709bca4b77
Cache: cache manager limits.
Dmitry Volyntsev <xeioex@nginx.com>
parents:
6651
diff
changeset
|
946 ev = WaitForSingleObject(ngx_cache_manager_event, (u_long) next); |
| 2725 | 947 |
| 948 if (ev != WAIT_TIMEOUT) { | |
| 949 | |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
950 ngx_time_update(); |
| 2725 | 951 |
| 952 ngx_log_debug1(NGX_LOG_DEBUG_CORE, ngx_cycle->log, 0, | |
| 953 "cache manager WaitForSingleObject: %ul", ev); | |
| 954 } | |
| 955 } | |
| 956 | |
| 957 | |
| 3022 | 958 static ngx_thread_value_t __stdcall |
| 959 ngx_cache_loader_thread(void *data) | |
| 960 { | |
| 961 ngx_uint_t i; | |
| 962 ngx_path_t **path; | |
| 963 ngx_cycle_t *cycle; | |
| 964 | |
| 965 ngx_msleep(60000); | |
| 966 | |
| 967 cycle = (ngx_cycle_t *) ngx_cycle; | |
| 968 | |
|
4870
8a9b7b4e9f2d
Correct plural form for "path" in the whole source base.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
969 path = cycle->paths.elts; |
|
8a9b7b4e9f2d
Correct plural form for "path" in the whole source base.
Andrey Belov <defan@nginx.com>
parents:
4412
diff
changeset
|
970 for (i = 0; i < cycle->paths.nelts; i++) { |
| 3022 | 971 |
|
5633
b74f1106f920
Win32: fixed cpu hog by cache manager on exit (ticket #514).
Maxim Dounin <mdounin@mdounin.ru>
parents:
5601
diff
changeset
|
972 if (ngx_terminate || ngx_quit || ngx_exiting) { |
| 3022 | 973 break; |
| 974 } | |
| 975 | |
| 976 if (path[i]->loader) { | |
| 977 path[i]->loader(path[i]->data); | |
|
3475
ab353d7dc182
*) introduce ngx_time_sigsafe_update() to update the error log time only
Igor Sysoev <igor@sysoev.ru>
parents:
3474
diff
changeset
|
978 ngx_time_update(); |
| 3022 | 979 } |
| 980 } | |
| 981 | |
| 982 return 0; | |
| 983 } | |
| 984 | |
| 985 | |
| 2725 | 986 void |
| 987 ngx_single_process_cycle(ngx_cycle_t *cycle) | |
| 988 { | |
| 989 ngx_tid_t tid; | |
| 990 | |
| 991 ngx_console_init(cycle); | |
| 992 | |
|
3751
a4755d4fd91b
add "Global\" prefix for signal events
Igor Sysoev <igor@sysoev.ru>
parents:
3475
diff
changeset
|
993 if (ngx_create_signal_events(cycle) != NGX_OK) { |
| 461 | 994 exit(2); |
| 995 } | |
| 996 | |
| 2725 | 997 if (ngx_create_thread(&tid, ngx_worker_thread, NULL, cycle->log) != 0) { |
| 461 | 998 /* fatal */ |
| 999 exit(2); | |
| 1000 } | |
| 1001 | |
| 2725 | 1002 /* STUB */ |
| 1003 WaitForSingleObject(ngx_stop_event, INFINITE); | |
| 461 | 1004 } |
| 1005 | |
| 1006 | |
| 2725 | 1007 ngx_int_t |
|
6483
3a50ccd94333
Fixed ngx_os_signal_process() prototype.
Ruslan Ermilov <ru@nginx.com>
parents:
6482
diff
changeset
|
1008 ngx_os_signal_process(ngx_cycle_t *cycle, char *sig, ngx_pid_t pid) |
| 461 | 1009 { |
|
2738
ae81441e23f4
implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1010 HANDLE ev; |
|
ae81441e23f4
implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1011 ngx_int_t rc; |
|
ae81441e23f4
implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1012 char evn[NGX_PROCESS_SYNC_NAME]; |
| 461 | 1013 |
|
6483
3a50ccd94333
Fixed ngx_os_signal_process() prototype.
Ruslan Ermilov <ru@nginx.com>
parents:
6482
diff
changeset
|
1014 ngx_sprintf((u_char *) evn, "Global\\ngx_%s_%P%Z", sig, pid); |
| 2725 | 1015 |
| 1016 ev = OpenEvent(EVENT_MODIFY_STATE, 0, evn); | |
| 1017 if (ev == NULL) { | |
| 1018 ngx_log_error(NGX_LOG_ERR, cycle->log, ngx_errno, | |
| 1019 "OpenEvent(\"%s\") failed", evn); | |
|
2738
ae81441e23f4
implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1020 return 1; |
| 2725 | 1021 } |
| 461 | 1022 |
| 2725 | 1023 if (SetEvent(ev) == 0) { |
| 1024 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno, | |
| 1025 "SetEvent(\"%s\") failed", evn); | |
|
2738
ae81441e23f4
implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1026 rc = 1; |
|
ae81441e23f4
implement "-s signal" option for Unix
Igor Sysoev <igor@sysoev.ru>
parents:
2725
diff
changeset
|
1027 |
| 2725 | 1028 } else { |
| 1029 rc = 0; | |
| 1030 } | |
| 1031 | |
| 1032 ngx_close_handle(ev); | |
| 1033 | |
| 1034 return rc; | |
| 1035 } | |
| 461 | 1036 |
| 1037 | |
| 2725 | 1038 void |
| 1039 ngx_close_handle(HANDLE h) | |
| 1040 { | |
| 1041 if (CloseHandle(h) == 0) { | |
| 1042 ngx_log_error(NGX_LOG_ALERT, ngx_cycle->log, ngx_errno, | |
| 1043 "CloseHandle(%p) failed", h); | |
| 461 | 1044 } |
| 1045 } |