|
0
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <nginx.h>
|
|
|
10
|
|
|
11
|
|
|
12 static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
|
|
2
|
13 static ngx_int_t ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv);
|
|
|
14 static ngx_int_t ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv);
|
|
0
|
15 static void *ngx_core_module_create_conf(ngx_cycle_t *cycle);
|
|
|
16 static char *ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf);
|
|
|
17 static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
278
|
18 static char *ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
22
|
19 static char *ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
126
|
20 static char *ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
21 void *conf);
|
|
0
|
22
|
|
|
23
|
|
10
|
24 static ngx_conf_enum_t ngx_debug_points[] = {
|
|
|
25 { ngx_string("stop"), NGX_DEBUG_POINTS_STOP },
|
|
|
26 { ngx_string("abort"), NGX_DEBUG_POINTS_ABORT },
|
|
|
27 { ngx_null_string, 0 }
|
|
126
|
28 };
|
|
10
|
29
|
|
|
30
|
|
0
|
31 static ngx_command_t ngx_core_commands[] = {
|
|
|
32
|
|
|
33 { ngx_string("daemon"),
|
|
112
|
34 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
|
|
0
|
35 ngx_conf_set_flag_slot,
|
|
|
36 0,
|
|
|
37 offsetof(ngx_core_conf_t, daemon),
|
|
|
38 NULL },
|
|
|
39
|
|
|
40 { ngx_string("master_process"),
|
|
112
|
41 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG,
|
|
0
|
42 ngx_conf_set_flag_slot,
|
|
|
43 0,
|
|
|
44 offsetof(ngx_core_conf_t, master),
|
|
|
45 NULL },
|
|
|
46
|
|
112
|
47 { ngx_string("timer_resolution"),
|
|
|
48 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
49 ngx_conf_set_msec_slot,
|
|
|
50 0,
|
|
|
51 offsetof(ngx_core_conf_t, timer_resolution),
|
|
|
52 NULL },
|
|
|
53
|
|
92
|
54 { ngx_string("pid"),
|
|
|
55 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
56 ngx_conf_set_str_slot,
|
|
|
57 0,
|
|
|
58 offsetof(ngx_core_conf_t, pid),
|
|
|
59 NULL },
|
|
|
60
|
|
160
|
61 { ngx_string("lock_file"),
|
|
|
62 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
63 ngx_conf_set_str_slot,
|
|
|
64 0,
|
|
|
65 offsetof(ngx_core_conf_t, lock_file),
|
|
|
66 NULL },
|
|
|
67
|
|
0
|
68 { ngx_string("worker_processes"),
|
|
|
69 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
70 ngx_conf_set_num_slot,
|
|
|
71 0,
|
|
|
72 offsetof(ngx_core_conf_t, worker_processes),
|
|
|
73 NULL },
|
|
|
74
|
|
10
|
75 { ngx_string("debug_points"),
|
|
|
76 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
77 ngx_conf_set_enum_slot,
|
|
|
78 0,
|
|
|
79 offsetof(ngx_core_conf_t, debug_points),
|
|
|
80 &ngx_debug_points },
|
|
|
81
|
|
92
|
82 { ngx_string("user"),
|
|
|
83 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE12,
|
|
|
84 ngx_set_user,
|
|
|
85 0,
|
|
|
86 0,
|
|
|
87 NULL },
|
|
|
88
|
|
|
89 { ngx_string("worker_priority"),
|
|
|
90 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
91 ngx_set_priority,
|
|
|
92 0,
|
|
|
93 0,
|
|
|
94 NULL },
|
|
|
95
|
|
126
|
96 { ngx_string("worker_cpu_affinity"),
|
|
|
97 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_1MORE,
|
|
|
98 ngx_set_cpu_affinity,
|
|
|
99 0,
|
|
|
100 0,
|
|
|
101 NULL },
|
|
|
102
|
|
92
|
103 { ngx_string("worker_rlimit_nofile"),
|
|
|
104 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
105 ngx_conf_set_num_slot,
|
|
|
106 0,
|
|
|
107 offsetof(ngx_core_conf_t, rlimit_nofile),
|
|
|
108 NULL },
|
|
|
109
|
|
138
|
110 { ngx_string("worker_rlimit_core"),
|
|
|
111 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
270
|
112 ngx_conf_set_size_slot,
|
|
138
|
113 0,
|
|
|
114 offsetof(ngx_core_conf_t, rlimit_core),
|
|
|
115 NULL },
|
|
|
116
|
|
92
|
117 { ngx_string("worker_rlimit_sigpending"),
|
|
|
118 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
119 ngx_conf_set_num_slot,
|
|
|
120 0,
|
|
|
121 offsetof(ngx_core_conf_t, rlimit_sigpending),
|
|
|
122 NULL },
|
|
|
123
|
|
|
124 { ngx_string("working_directory"),
|
|
|
125 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
126 ngx_conf_set_str_slot,
|
|
|
127 0,
|
|
|
128 offsetof(ngx_core_conf_t, working_directory),
|
|
|
129 NULL },
|
|
|
130
|
|
278
|
131 { ngx_string("env"),
|
|
|
132 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
133 ngx_set_env,
|
|
|
134 0,
|
|
|
135 0,
|
|
|
136 NULL },
|
|
|
137
|
|
0
|
138 #if (NGX_THREADS)
|
|
|
139
|
|
|
140 { ngx_string("worker_threads"),
|
|
|
141 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
142 ngx_conf_set_num_slot,
|
|
|
143 0,
|
|
|
144 offsetof(ngx_core_conf_t, worker_threads),
|
|
|
145 NULL },
|
|
|
146
|
|
|
147 { ngx_string("thread_stack_size"),
|
|
|
148 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_TAKE1,
|
|
|
149 ngx_conf_set_size_slot,
|
|
|
150 0,
|
|
|
151 offsetof(ngx_core_conf_t, thread_stack_size),
|
|
|
152 NULL },
|
|
|
153
|
|
|
154 #endif
|
|
|
155
|
|
|
156 ngx_null_command
|
|
|
157 };
|
|
|
158
|
|
|
159
|
|
|
160 static ngx_core_module_t ngx_core_module_ctx = {
|
|
|
161 ngx_string("core"),
|
|
|
162 ngx_core_module_create_conf,
|
|
|
163 ngx_core_module_init_conf
|
|
|
164 };
|
|
|
165
|
|
|
166
|
|
|
167 ngx_module_t ngx_core_module = {
|
|
58
|
168 NGX_MODULE_V1,
|
|
0
|
169 &ngx_core_module_ctx, /* module context */
|
|
|
170 ngx_core_commands, /* module directives */
|
|
|
171 NGX_CORE_MODULE, /* module type */
|
|
90
|
172 NULL, /* init master */
|
|
0
|
173 NULL, /* init module */
|
|
90
|
174 NULL, /* init process */
|
|
|
175 NULL, /* init thread */
|
|
|
176 NULL, /* exit thread */
|
|
|
177 NULL, /* exit process */
|
|
|
178 NULL, /* exit master */
|
|
|
179 NGX_MODULE_V1_PADDING
|
|
0
|
180 };
|
|
|
181
|
|
|
182
|
|
|
183 ngx_uint_t ngx_max_module;
|
|
|
184
|
|
188
|
185 static ngx_uint_t ngx_show_version;
|
|
270
|
186 static ngx_uint_t ngx_show_configure;
|
|
188
|
187
|
|
278
|
188 static char **ngx_os_environ;
|
|
150
|
189
|
|
0
|
190
|
|
52
|
191 int ngx_cdecl
|
|
48
|
192 main(int argc, char *const *argv)
|
|
0
|
193 {
|
|
418
|
194 char *p;
|
|
|
195 ssize_t n;
|
|
2
|
196 ngx_int_t i;
|
|
|
197 ngx_log_t *log;
|
|
|
198 ngx_cycle_t *cycle, init_cycle;
|
|
|
199 ngx_core_conf_t *ccf;
|
|
0
|
200
|
|
4
|
201 #if (NGX_FREEBSD)
|
|
0
|
202 ngx_debug_init();
|
|
|
203 #endif
|
|
|
204
|
|
|
205 /* TODO */ ngx_max_sockets = -1;
|
|
|
206
|
|
|
207 ngx_time_init();
|
|
|
208
|
|
4
|
209 #if (NGX_PCRE)
|
|
0
|
210 ngx_regex_init();
|
|
|
211 #endif
|
|
|
212
|
|
|
213 ngx_pid = ngx_getpid();
|
|
|
214
|
|
50
|
215 log = ngx_log_init();
|
|
|
216 if (log == NULL) {
|
|
0
|
217 return 1;
|
|
|
218 }
|
|
|
219
|
|
90
|
220 /* STUB */
|
|
0
|
221 #if (NGX_OPENSSL)
|
|
|
222 ngx_ssl_init(log);
|
|
|
223 #endif
|
|
|
224
|
|
|
225 /* init_cycle->log is required for signal handlers and ngx_getopt() */
|
|
|
226
|
|
|
227 ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
|
|
|
228 init_cycle.log = log;
|
|
|
229 ngx_cycle = &init_cycle;
|
|
|
230
|
|
50
|
231 init_cycle.pool = ngx_create_pool(1024, log);
|
|
|
232 if (init_cycle.pool == NULL) {
|
|
0
|
233 return 1;
|
|
|
234 }
|
|
|
235
|
|
160
|
236 if (ngx_save_argv(&init_cycle, argc, argv) != NGX_OK) {
|
|
2
|
237 return 1;
|
|
|
238 }
|
|
|
239
|
|
160
|
240 if (ngx_getopt(&init_cycle, argc, ngx_argv) != NGX_OK) {
|
|
0
|
241 return 1;
|
|
|
242 }
|
|
|
243
|
|
188
|
244 if (ngx_show_version) {
|
|
418
|
245
|
|
|
246 p = "nginx version: " NGINX_VER CRLF;
|
|
|
247 n = sizeof("nginx version: " NGINX_VER CRLF) - 1;
|
|
|
248
|
|
|
249 if (ngx_write_fd(ngx_stderr_fileno, p, n) != n) {
|
|
|
250 return 1;
|
|
|
251 }
|
|
188
|
252
|
|
270
|
253 if (ngx_show_configure) {
|
|
188
|
254 #ifdef NGX_COMPILER
|
|
418
|
255 p = "built by " NGX_COMPILER CRLF;
|
|
|
256 n = sizeof("built by " NGX_COMPILER CRLF) - 1;
|
|
|
257
|
|
|
258 if (ngx_write_fd(ngx_stderr_fileno, p, n) != n) {
|
|
|
259 return 1;
|
|
|
260 }
|
|
188
|
261 #endif
|
|
270
|
262
|
|
418
|
263 p = "configure arguments: " NGX_CONFIGURE CRLF;
|
|
|
264 n = sizeof("configure arguments :" NGX_CONFIGURE CRLF) - 1;
|
|
270
|
265
|
|
418
|
266 if (ngx_write_fd(ngx_stderr_fileno, p, n) != n) {
|
|
|
267 return 1;
|
|
|
268 }
|
|
270
|
269 }
|
|
|
270
|
|
190
|
271 if (!ngx_test_config) {
|
|
|
272 return 0;
|
|
|
273 }
|
|
188
|
274 }
|
|
|
275
|
|
0
|
276 if (ngx_test_config) {
|
|
|
277 log->log_level = NGX_LOG_INFO;
|
|
|
278 }
|
|
|
279
|
|
160
|
280 if (ngx_os_init(log) != NGX_OK) {
|
|
0
|
281 return 1;
|
|
|
282 }
|
|
|
283
|
|
356
|
284 /*
|
|
|
285 * ngx_crc32_table_init() requires ngx_cacheline_size set in ngx_os_init()
|
|
|
286 */
|
|
270
|
287
|
|
356
|
288 if (ngx_crc32_table_init() != NGX_OK) {
|
|
270
|
289 return 1;
|
|
|
290 }
|
|
|
291
|
|
160
|
292 if (ngx_add_inherited_sockets(&init_cycle) != NGX_OK) {
|
|
0
|
293 return 1;
|
|
|
294 }
|
|
|
295
|
|
|
296 ngx_max_module = 0;
|
|
|
297 for (i = 0; ngx_modules[i]; i++) {
|
|
|
298 ngx_modules[i]->index = ngx_max_module++;
|
|
|
299 }
|
|
|
300
|
|
|
301 cycle = ngx_init_cycle(&init_cycle);
|
|
|
302 if (cycle == NULL) {
|
|
|
303 if (ngx_test_config) {
|
|
|
304 ngx_log_error(NGX_LOG_EMERG, log, 0,
|
|
106
|
305 "the configuration file %s test failed",
|
|
0
|
306 init_cycle.conf_file.data);
|
|
|
307 }
|
|
|
308
|
|
|
309 return 1;
|
|
|
310 }
|
|
|
311
|
|
|
312 if (ngx_test_config) {
|
|
|
313 ngx_log_error(NGX_LOG_INFO, log, 0,
|
|
106
|
314 "the configuration file %s was tested successfully",
|
|
4
|
315 cycle->conf_file.data);
|
|
0
|
316 return 0;
|
|
|
317 }
|
|
|
318
|
|
|
319 ngx_os_status(cycle->log);
|
|
|
320
|
|
|
321 ngx_cycle = cycle;
|
|
|
322
|
|
|
323 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
324
|
|
|
325 ngx_process = ccf->master ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
|
|
|
326
|
|
10
|
327 #if (NGX_WIN32)
|
|
0
|
328
|
|
|
329 #if 0
|
|
|
330
|
|
|
331 TODO:
|
|
|
332
|
|
|
333 if (ccf->run_as_service) {
|
|
160
|
334 if (ngx_service(cycle->log) != NGX_OK) {
|
|
0
|
335 return 1;
|
|
|
336 }
|
|
|
337
|
|
|
338 return 0;
|
|
|
339 }
|
|
|
340 #endif
|
|
|
341
|
|
|
342 #else
|
|
|
343
|
|
160
|
344 if (ngx_init_signals(cycle->log) != NGX_OK) {
|
|
88
|
345 return 1;
|
|
|
346 }
|
|
|
347
|
|
0
|
348 if (!ngx_inherited && ccf->daemon) {
|
|
160
|
349 if (ngx_daemon(cycle->log) != NGX_OK) {
|
|
0
|
350 return 1;
|
|
|
351 }
|
|
|
352
|
|
|
353 ngx_daemonized = 1;
|
|
|
354 }
|
|
|
355
|
|
160
|
356 if (ngx_create_pidfile(&ccf->pid, cycle->log) != NGX_OK) {
|
|
0
|
357 return 1;
|
|
|
358 }
|
|
|
359
|
|
|
360 #endif
|
|
|
361
|
|
|
362 if (ngx_process == NGX_PROCESS_MASTER) {
|
|
2
|
363 ngx_master_process_cycle(cycle);
|
|
0
|
364
|
|
|
365 } else {
|
|
2
|
366 ngx_single_process_cycle(cycle);
|
|
0
|
367 }
|
|
|
368
|
|
|
369 return 0;
|
|
|
370 }
|
|
|
371
|
|
|
372
|
|
48
|
373 static ngx_int_t
|
|
|
374 ngx_add_inherited_sockets(ngx_cycle_t *cycle)
|
|
0
|
375 {
|
|
50
|
376 u_char *p, *v, *inherited;
|
|
|
377 ngx_int_t s;
|
|
|
378 ngx_listening_t *ls;
|
|
0
|
379
|
|
|
380 inherited = (u_char *) getenv(NGINX_VAR);
|
|
|
381
|
|
|
382 if (inherited == NULL) {
|
|
|
383 return NGX_OK;
|
|
|
384 }
|
|
|
385
|
|
10
|
386 ngx_log_error(NGX_LOG_NOTICE, cycle->log, 0,
|
|
0
|
387 "using inherited sockets from \"%s\"", inherited);
|
|
|
388
|
|
10
|
389 if (ngx_array_init(&cycle->listening, cycle->pool, 10,
|
|
242
|
390 sizeof(ngx_listening_t))
|
|
454
|
391 != NGX_OK)
|
|
10
|
392 {
|
|
|
393 return NGX_ERROR;
|
|
|
394 }
|
|
0
|
395
|
|
|
396 for (p = inherited, v = p; *p; p++) {
|
|
|
397 if (*p == ':' || *p == ';') {
|
|
|
398 s = ngx_atoi(v, p - v);
|
|
|
399 if (s == NGX_ERROR) {
|
|
|
400 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
86
|
401 "invalid socket number \"%s\" in " NGINX_VAR
|
|
|
402 " environment variable, ignoring the rest"
|
|
|
403 " of the variable", v);
|
|
0
|
404 break;
|
|
|
405 }
|
|
|
406
|
|
|
407 v = p + 1;
|
|
|
408
|
|
50
|
409 ls = ngx_array_push(&cycle->listening);
|
|
|
410 if (ls == NULL) {
|
|
0
|
411 return NGX_ERROR;
|
|
|
412 }
|
|
|
413
|
|
72
|
414 ngx_memzero(ls, sizeof(ngx_listening_t));
|
|
|
415
|
|
50
|
416 ls->fd = (ngx_socket_t) s;
|
|
0
|
417 }
|
|
|
418 }
|
|
|
419
|
|
|
420 ngx_inherited = 1;
|
|
|
421
|
|
|
422 return ngx_set_inherited_sockets(cycle);
|
|
|
423 }
|
|
|
424
|
|
|
425
|
|
278
|
426 char **
|
|
|
427 ngx_set_environment(ngx_cycle_t *cycle, ngx_uint_t *last)
|
|
|
428 {
|
|
|
429 char **p, **env;
|
|
|
430 ngx_str_t *var;
|
|
|
431 ngx_uint_t i, n;
|
|
|
432 ngx_core_conf_t *ccf;
|
|
|
433
|
|
|
434 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
435
|
|
280
|
436 if (last == NULL && ccf->environment) {
|
|
|
437 return ccf->environment;
|
|
278
|
438 }
|
|
|
439
|
|
|
440 var = ccf->env.elts;
|
|
|
441
|
|
|
442 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
443 if (ngx_strcmp(var[i].data, "TZ") == 0
|
|
|
444 || ngx_strncmp(var[i].data, "TZ=", 3) == 0)
|
|
|
445 {
|
|
|
446 goto tz_found;
|
|
|
447 }
|
|
|
448 }
|
|
|
449
|
|
|
450 var = ngx_array_push(&ccf->env);
|
|
322
|
451 if (var == NULL) {
|
|
|
452 return NULL;
|
|
|
453 }
|
|
278
|
454
|
|
|
455 var->len = 2;
|
|
|
456 var->data = (u_char *) "TZ";
|
|
|
457
|
|
|
458 var = ccf->env.elts;
|
|
|
459
|
|
|
460 tz_found:
|
|
|
461
|
|
280
|
462 n = 0;
|
|
|
463
|
|
278
|
464 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
465
|
|
|
466 if (var[i].data[var[i].len] == '=') {
|
|
|
467 n++;
|
|
|
468 continue;
|
|
|
469 }
|
|
|
470
|
|
|
471 for (p = ngx_os_environ; *p; p++) {
|
|
|
472
|
|
|
473 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
474 && (*p)[var[i].len] == '=')
|
|
|
475 {
|
|
|
476 n++;
|
|
|
477 break;
|
|
|
478 }
|
|
|
479 }
|
|
|
480 }
|
|
|
481
|
|
|
482 if (last) {
|
|
280
|
483 env = ngx_alloc((*last + n + 1) * sizeof(char *), cycle->log);
|
|
278
|
484 *last = n;
|
|
|
485
|
|
|
486 } else {
|
|
|
487 env = ngx_palloc(cycle->pool, (n + 1) * sizeof(char *));
|
|
|
488 }
|
|
|
489
|
|
|
490 if (env == NULL) {
|
|
|
491 return NULL;
|
|
|
492 }
|
|
|
493
|
|
|
494 n = 0;
|
|
|
495
|
|
|
496 for (i = 0; i < ccf->env.nelts; i++) {
|
|
|
497
|
|
|
498 if (var[i].data[var[i].len] == '=') {
|
|
|
499 env[n++] = (char *) var[i].data;
|
|
|
500 continue;
|
|
|
501 }
|
|
|
502
|
|
|
503 for (p = ngx_os_environ; *p; p++) {
|
|
|
504
|
|
|
505 if (ngx_strncmp(*p, var[i].data, var[i].len) == 0
|
|
|
506 && (*p)[var[i].len] == '=')
|
|
|
507 {
|
|
|
508 env[n++] = *p;
|
|
|
509 break;
|
|
|
510 }
|
|
|
511 }
|
|
|
512 }
|
|
|
513
|
|
|
514 env[n] = NULL;
|
|
|
515
|
|
|
516 if (last == NULL) {
|
|
|
517 ccf->environment = env;
|
|
|
518 environ = env;
|
|
|
519 }
|
|
|
520
|
|
|
521 return env;
|
|
|
522 }
|
|
|
523
|
|
|
524
|
|
92
|
525 ngx_pid_t
|
|
|
526 ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
|
0
|
527 {
|
|
278
|
528 char **env, *var;
|
|
|
529 u_char *p;
|
|
|
530 ngx_uint_t i, n;
|
|
|
531 ngx_pid_t pid;
|
|
|
532 ngx_exec_ctx_t ctx;
|
|
|
533 ngx_core_conf_t *ccf;
|
|
|
534 ngx_listening_t *ls;
|
|
0
|
535
|
|
|
536 ctx.path = argv[0];
|
|
|
537 ctx.name = "new binary process";
|
|
|
538 ctx.argv = argv;
|
|
|
539
|
|
278
|
540 n = 2;
|
|
|
541 env = ngx_set_environment(cycle, &n);
|
|
|
542 if (env == NULL) {
|
|
|
543 return NGX_INVALID_PID;
|
|
|
544 }
|
|
|
545
|
|
0
|
546 var = ngx_alloc(sizeof(NGINX_VAR)
|
|
50
|
547 + cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
|
0
|
548 cycle->log);
|
|
|
549
|
|
10
|
550 p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
|
0
|
551
|
|
|
552 ls = cycle->listening.elts;
|
|
|
553 for (i = 0; i < cycle->listening.nelts; i++) {
|
|
10
|
554 p = ngx_sprintf(p, "%ud;", ls[i].fd);
|
|
0
|
555 }
|
|
|
556
|
|
10
|
557 *p = '\0';
|
|
|
558
|
|
278
|
559 env[n++] = var;
|
|
2
|
560
|
|
|
561 #if (NGX_SETPROCTITLE_USES_ENV)
|
|
|
562
|
|
10
|
563 /* allocate the spare 300 bytes for the new binary process title */
|
|
2
|
564
|
|
278
|
565 env[n++] = "SPARE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
566 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
567 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
568 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
|
|
|
569 "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
|
|
2
|
570
|
|
|
571 #endif
|
|
|
572
|
|
278
|
573 env[n] = NULL;
|
|
|
574
|
|
|
575 #if (NGX_DEBUG)
|
|
|
576 {
|
|
|
577 char **e;
|
|
|
578 for (e = env; *e; e++) {
|
|
|
579 ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "env: %s", *e);
|
|
|
580 }
|
|
|
581 }
|
|
|
582 #endif
|
|
|
583
|
|
|
584 ctx.envp = (char *const *) env;
|
|
0
|
585
|
|
92
|
586 ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
|
|
|
587
|
|
278
|
588 if (ngx_rename_file(ccf->pid.data, ccf->oldpid.data) != NGX_OK) {
|
|
92
|
589 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
|
590 ngx_rename_file_n " %s to %s failed "
|
|
|
591 "before executing new binary process \"%s\"",
|
|
|
592 ccf->pid.data, ccf->oldpid.data, argv[0]);
|
|
|
593
|
|
278
|
594 ngx_free(env);
|
|
92
|
595 ngx_free(var);
|
|
|
596
|
|
|
597 return NGX_INVALID_PID;
|
|
|
598 }
|
|
|
599
|
|
0
|
600 pid = ngx_execute(cycle, &ctx);
|
|
|
601
|
|
92
|
602 if (pid == NGX_INVALID_PID) {
|
|
278
|
603 if (ngx_rename_file(ccf->oldpid.data, ccf->pid.data) != NGX_OK) {
|
|
92
|
604 ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
|
|
278
|
605 ngx_rename_file_n " %s back to %s failed after "
|
|
|
606 "the try to execute the new binary process \"%s\"",
|
|
92
|
607 ccf->oldpid.data, ccf->pid.data, argv[0]);
|
|
|
608 }
|
|
|
609 }
|
|
|
610
|
|
278
|
611 ngx_free(env);
|
|
0
|
612 ngx_free(var);
|
|
|
613
|
|
|
614 return pid;
|
|
|
615 }
|
|
|
616
|
|
|
617
|
|
92
|
618 static ngx_int_t
|
|
|
619 ngx_getopt(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
0
|
620 {
|
|
|
621 ngx_int_t i;
|
|
|
622
|
|
2
|
623 for (i = 1; i < argc; i++) {
|
|
|
624 if (argv[i][0] != '-') {
|
|
0
|
625 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
626 "invalid option: \"%s\"", argv[i]);
|
|
0
|
627 return NGX_ERROR;
|
|
|
628 }
|
|
|
629
|
|
2
|
630 switch (argv[i][1]) {
|
|
0
|
631
|
|
188
|
632 case 'v':
|
|
|
633 ngx_show_version = 1;
|
|
|
634 break;
|
|
|
635
|
|
270
|
636 case 'V':
|
|
|
637 ngx_show_version = 1;
|
|
|
638 ngx_show_configure = 1;
|
|
|
639 break;
|
|
|
640
|
|
0
|
641 case 't':
|
|
|
642 ngx_test_config = 1;
|
|
|
643 break;
|
|
|
644
|
|
|
645 case 'c':
|
|
2
|
646 if (argv[i + 1] == NULL) {
|
|
0
|
647 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
384
|
648 "the option \"-c\" requires file name");
|
|
0
|
649 return NGX_ERROR;
|
|
|
650 }
|
|
|
651
|
|
2
|
652 cycle->conf_file.data = (u_char *) argv[++i];
|
|
0
|
653 cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
654 break;
|
|
|
655
|
|
384
|
656 case 'g':
|
|
|
657 if (argv[i + 1] == NULL) {
|
|
|
658 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
659 "the option \"-g\" requires parameter");
|
|
|
660 return NGX_ERROR;
|
|
|
661 }
|
|
|
662
|
|
|
663 cycle->conf_param.data = (u_char *) argv[++i];
|
|
|
664 cycle->conf_param.len = ngx_strlen(cycle->conf_param.data);
|
|
|
665 break;
|
|
|
666
|
|
0
|
667 default:
|
|
|
668 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
2
|
669 "invalid option: \"%s\"", argv[i]);
|
|
0
|
670 return NGX_ERROR;
|
|
|
671 }
|
|
|
672 }
|
|
|
673
|
|
|
674 if (cycle->conf_file.data == NULL) {
|
|
|
675 cycle->conf_file.len = sizeof(NGX_CONF_PATH) - 1;
|
|
|
676 cycle->conf_file.data = (u_char *) NGX_CONF_PATH;
|
|
|
677 }
|
|
|
678
|
|
|
679 return NGX_OK;
|
|
|
680 }
|
|
|
681
|
|
|
682
|
|
48
|
683 static ngx_int_t
|
|
|
684 ngx_save_argv(ngx_cycle_t *cycle, int argc, char *const *argv)
|
|
2
|
685 {
|
|
50
|
686 #if (NGX_FREEBSD)
|
|
|
687
|
|
|
688 ngx_os_argv = (char **) argv;
|
|
|
689 ngx_argc = argc;
|
|
|
690 ngx_argv = (char **) argv;
|
|
|
691
|
|
|
692 #else
|
|
2
|
693 size_t len;
|
|
|
694 ngx_int_t i;
|
|
|
695
|
|
|
696 ngx_os_argv = (char **) argv;
|
|
|
697 ngx_argc = argc;
|
|
|
698
|
|
50
|
699 ngx_argv = ngx_alloc((argc + 1) * sizeof(char *), cycle->log);
|
|
|
700 if (ngx_argv == NULL) {
|
|
2
|
701 return NGX_ERROR;
|
|
|
702 }
|
|
|
703
|
|
|
704 for (i = 0; i < argc; i++) {
|
|
|
705 len = ngx_strlen(argv[i]) + 1;
|
|
|
706
|
|
50
|
707 ngx_argv[i] = ngx_alloc(len, cycle->log);
|
|
|
708 if (ngx_argv[i] == NULL) {
|
|
2
|
709 return NGX_ERROR;
|
|
|
710 }
|
|
|
711
|
|
66
|
712 (void) ngx_cpystrn((u_char *) ngx_argv[i], (u_char *) argv[i], len);
|
|
2
|
713 }
|
|
|
714
|
|
|
715 ngx_argv[i] = NULL;
|
|
|
716
|
|
|
717 #endif
|
|
|
718
|
|
278
|
719 ngx_os_environ = environ;
|
|
|
720
|
|
2
|
721 return NGX_OK;
|
|
|
722 }
|
|
|
723
|
|
|
724
|
|
48
|
725 static void *
|
|
|
726 ngx_core_module_create_conf(ngx_cycle_t *cycle)
|
|
0
|
727 {
|
|
|
728 ngx_core_conf_t *ccf;
|
|
|
729
|
|
50
|
730 ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t));
|
|
|
731 if (ccf == NULL) {
|
|
0
|
732 return NULL;
|
|
|
733 }
|
|
28
|
734
|
|
|
735 /*
|
|
|
736 * set by pcalloc()
|
|
0
|
737 *
|
|
28
|
738 * ccf->pid = NULL;
|
|
92
|
739 * ccf->oldpid = NULL;
|
|
28
|
740 * ccf->priority = 0;
|
|
126
|
741 * ccf->cpu_affinity_n = 0;
|
|
|
742 * ccf->cpu_affinity = NULL;
|
|
0
|
743 */
|
|
28
|
744
|
|
0
|
745 ccf->daemon = NGX_CONF_UNSET;
|
|
|
746 ccf->master = NGX_CONF_UNSET;
|
|
112
|
747 ccf->timer_resolution = NGX_CONF_UNSET_MSEC;
|
|
|
748
|
|
0
|
749 ccf->worker_processes = NGX_CONF_UNSET;
|
|
10
|
750 ccf->debug_points = NGX_CONF_UNSET;
|
|
92
|
751
|
|
|
752 ccf->rlimit_nofile = NGX_CONF_UNSET;
|
|
270
|
753 ccf->rlimit_core = NGX_CONF_UNSET_SIZE;
|
|
92
|
754 ccf->rlimit_sigpending = NGX_CONF_UNSET;
|
|
|
755
|
|
66
|
756 ccf->user = (ngx_uid_t) NGX_CONF_UNSET_UINT;
|
|
|
757 ccf->group = (ngx_gid_t) NGX_CONF_UNSET_UINT;
|
|
92
|
758
|
|
0
|
759 #if (NGX_THREADS)
|
|
|
760 ccf->worker_threads = NGX_CONF_UNSET;
|
|
10
|
761 ccf->thread_stack_size = NGX_CONF_UNSET_SIZE;
|
|
0
|
762 #endif
|
|
|
763
|
|
278
|
764 if (ngx_array_init(&ccf->env, cycle->pool, 1, sizeof(ngx_str_t))
|
|
|
765 != NGX_OK)
|
|
|
766 {
|
|
|
767 return NULL;
|
|
|
768 }
|
|
|
769
|
|
0
|
770 return ccf;
|
|
|
771 }
|
|
|
772
|
|
|
773
|
|
48
|
774 static char *
|
|
|
775 ngx_core_module_init_conf(ngx_cycle_t *cycle, void *conf)
|
|
0
|
776 {
|
|
|
777 ngx_core_conf_t *ccf = conf;
|
|
|
778
|
|
|
779 ngx_conf_init_value(ccf->daemon, 1);
|
|
|
780 ngx_conf_init_value(ccf->master, 1);
|
|
112
|
781 ngx_conf_init_msec_value(ccf->timer_resolution, 0);
|
|
|
782
|
|
0
|
783 ngx_conf_init_value(ccf->worker_processes, 1);
|
|
10
|
784 ngx_conf_init_value(ccf->debug_points, 0);
|
|
0
|
785
|
|
126
|
786 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
787
|
|
|
788 if (ccf->cpu_affinity_n
|
|
|
789 && ccf->cpu_affinity_n != 1
|
|
|
790 && ccf->cpu_affinity_n != (ngx_uint_t) ccf->worker_processes)
|
|
|
791 {
|
|
|
792 ngx_log_error(NGX_LOG_WARN, cycle->log, 0,
|
|
|
793 "number of the \"worker_processes\" is not equal to "
|
|
|
794 "the number of the \"worker_cpu_affinity\" mask, "
|
|
|
795 "using last mask for remaining worker processes");
|
|
|
796 }
|
|
|
797
|
|
|
798 #endif
|
|
|
799
|
|
0
|
800 #if (NGX_THREADS)
|
|
126
|
801
|
|
0
|
802 ngx_conf_init_value(ccf->worker_threads, 0);
|
|
|
803 ngx_threads_n = ccf->worker_threads;
|
|
|
804 ngx_conf_init_size_value(ccf->thread_stack_size, 2 * 1024 * 1024);
|
|
126
|
805
|
|
0
|
806 #endif
|
|
|
807
|
|
10
|
808 #if !(NGX_WIN32)
|
|
0
|
809
|
|
66
|
810 if (ccf->user == (uid_t) NGX_CONF_UNSET_UINT && geteuid() == 0) {
|
|
356
|
811 struct group *grp;
|
|
|
812 struct passwd *pwd;
|
|
0
|
813
|
|
318
|
814 ngx_set_errno(0);
|
|
4
|
815 pwd = getpwnam(NGX_USER);
|
|
0
|
816 if (pwd == NULL) {
|
|
|
817 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
818 "getpwnam(\"" NGX_USER "\") failed");
|
|
0
|
819 return NGX_CONF_ERROR;
|
|
|
820 }
|
|
|
821
|
|
22
|
822 ccf->username = NGX_USER;
|
|
0
|
823 ccf->user = pwd->pw_uid;
|
|
|
824
|
|
318
|
825 ngx_set_errno(0);
|
|
4
|
826 grp = getgrnam(NGX_GROUP);
|
|
0
|
827 if (grp == NULL) {
|
|
|
828 ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
|
|
4
|
829 "getgrnam(\"" NGX_GROUP "\") failed");
|
|
0
|
830 return NGX_CONF_ERROR;
|
|
|
831 }
|
|
|
832
|
|
|
833 ccf->group = grp->gr_gid;
|
|
|
834 }
|
|
|
835
|
|
|
836 if (ccf->pid.len == 0) {
|
|
|
837 ccf->pid.len = sizeof(NGX_PID_PATH) - 1;
|
|
2
|
838 ccf->pid.data = (u_char *) NGX_PID_PATH;
|
|
0
|
839 }
|
|
|
840
|
|
454
|
841 if (ngx_conf_full_name(cycle, &ccf->pid, 0) != NGX_OK) {
|
|
0
|
842 return NGX_CONF_ERROR;
|
|
|
843 }
|
|
|
844
|
|
92
|
845 ccf->oldpid.len = ccf->pid.len + sizeof(NGX_OLDPID_EXT);
|
|
0
|
846
|
|
382
|
847 ccf->oldpid.data = ngx_pnalloc(cycle->pool, ccf->oldpid.len);
|
|
92
|
848 if (ccf->oldpid.data == NULL) {
|
|
0
|
849 return NGX_CONF_ERROR;
|
|
|
850 }
|
|
|
851
|
|
92
|
852 ngx_memcpy(ngx_cpymem(ccf->oldpid.data, ccf->pid.data, ccf->pid.len),
|
|
|
853 NGX_OLDPID_EXT, sizeof(NGX_OLDPID_EXT));
|
|
0
|
854
|
|
258
|
855
|
|
160
|
856 if (ccf->lock_file.len == 0) {
|
|
|
857 ccf->lock_file.len = sizeof(NGX_LOCK_PATH) - 1;
|
|
|
858 ccf->lock_file.data = (u_char *) NGX_LOCK_PATH;
|
|
|
859 }
|
|
|
860
|
|
454
|
861 if (ngx_conf_full_name(cycle, &ccf->lock_file, 0) != NGX_OK) {
|
|
160
|
862 return NGX_CONF_ERROR;
|
|
|
863 }
|
|
|
864
|
|
356
|
865 {
|
|
|
866 ngx_str_t lock_file;
|
|
|
867
|
|
258
|
868 lock_file = cycle->old_cycle->lock_file;
|
|
|
869
|
|
|
870 if (lock_file.len) {
|
|
|
871 lock_file.len--;
|
|
|
872
|
|
|
873 if (ccf->lock_file.len != lock_file.len
|
|
|
874 || ngx_strncmp(ccf->lock_file.data, lock_file.data, lock_file.len)
|
|
|
875 != 0)
|
|
|
876 {
|
|
|
877 ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
878 "\"lock_file\" could not be changed, ignored");
|
|
|
879 }
|
|
|
880
|
|
|
881 cycle->lock_file.len = lock_file.len + 1;
|
|
|
882 lock_file.len += sizeof(".accept");
|
|
|
883
|
|
|
884 cycle->lock_file.data = ngx_pstrdup(cycle->pool, &lock_file);
|
|
|
885 if (cycle->lock_file.data == NULL) {
|
|
|
886 return NGX_CONF_ERROR;
|
|
|
887 }
|
|
|
888
|
|
|
889 } else {
|
|
|
890 cycle->lock_file.len = ccf->lock_file.len + 1;
|
|
382
|
891 cycle->lock_file.data = ngx_pnalloc(cycle->pool,
|
|
258
|
892 ccf->lock_file.len + sizeof(".accept"));
|
|
|
893 if (cycle->lock_file.data == NULL) {
|
|
|
894 return NGX_CONF_ERROR;
|
|
|
895 }
|
|
|
896
|
|
|
897 ngx_memcpy(ngx_cpymem(cycle->lock_file.data, ccf->lock_file.data,
|
|
|
898 ccf->lock_file.len),
|
|
|
899 ".accept", sizeof(".accept"));
|
|
|
900 }
|
|
356
|
901 }
|
|
258
|
902
|
|
0
|
903 #endif
|
|
|
904
|
|
|
905 return NGX_CONF_OK;
|
|
|
906 }
|
|
|
907
|
|
|
908
|
|
48
|
909 static char *
|
|
|
910 ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
0
|
911 {
|
|
10
|
912 #if (NGX_WIN32)
|
|
0
|
913
|
|
|
914 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
915 "\"user\" is not supported, ignored");
|
|
|
916
|
|
|
917 return NGX_CONF_OK;
|
|
|
918
|
|
|
919 #else
|
|
|
920
|
|
|
921 ngx_core_conf_t *ccf = conf;
|
|
|
922
|
|
4
|
923 char *group;
|
|
0
|
924 struct passwd *pwd;
|
|
|
925 struct group *grp;
|
|
|
926 ngx_str_t *value;
|
|
|
927
|
|
66
|
928 if (ccf->user != (uid_t) NGX_CONF_UNSET_UINT) {
|
|
0
|
929 return "is duplicate";
|
|
|
930 }
|
|
|
931
|
|
4
|
932 if (geteuid() != 0) {
|
|
|
933 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
934 "the \"user\" directive makes sense only "
|
|
|
935 "if the master process runs "
|
|
|
936 "with super-user privileges, ignored");
|
|
|
937 return NGX_CONF_OK;
|
|
|
938 }
|
|
|
939
|
|
0
|
940 value = (ngx_str_t *) cf->args->elts;
|
|
|
941
|
|
22
|
942 ccf->username = (char *) value[1].data;
|
|
|
943
|
|
318
|
944 ngx_set_errno(0);
|
|
0
|
945 pwd = getpwnam((const char *) value[1].data);
|
|
|
946 if (pwd == NULL) {
|
|
|
947 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
2
|
948 "getpwnam(\"%s\") failed", value[1].data);
|
|
0
|
949 return NGX_CONF_ERROR;
|
|
|
950 }
|
|
|
951
|
|
|
952 ccf->user = pwd->pw_uid;
|
|
|
953
|
|
4
|
954 group = (char *) ((cf->args->nelts == 2) ? value[1].data : value[2].data);
|
|
0
|
955
|
|
318
|
956 ngx_set_errno(0);
|
|
4
|
957 grp = getgrnam(group);
|
|
0
|
958 if (grp == NULL) {
|
|
|
959 ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
4
|
960 "getgrnam(\"%s\") failed", group);
|
|
0
|
961 return NGX_CONF_ERROR;
|
|
|
962 }
|
|
|
963
|
|
|
964 ccf->group = grp->gr_gid;
|
|
|
965
|
|
|
966 return NGX_CONF_OK;
|
|
|
967
|
|
|
968 #endif
|
|
|
969 }
|
|
22
|
970
|
|
|
971
|
|
48
|
972 static char *
|
|
278
|
973 ngx_set_env(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
974 {
|
|
|
975 ngx_core_conf_t *ccf = conf;
|
|
|
976
|
|
|
977 ngx_str_t *value, *var;
|
|
|
978 ngx_uint_t i;
|
|
|
979
|
|
|
980 var = ngx_array_push(&ccf->env);
|
|
|
981 if (var == NULL) {
|
|
|
982 return NGX_CONF_ERROR;
|
|
|
983 }
|
|
|
984
|
|
|
985 value = cf->args->elts;
|
|
|
986 *var = value[1];
|
|
|
987
|
|
|
988 for (i = 0; i < value[1].len; i++) {
|
|
|
989
|
|
|
990 if (value[1].data[i] == '=') {
|
|
|
991
|
|
|
992 var->len = i;
|
|
|
993
|
|
|
994 return NGX_CONF_OK;
|
|
|
995 }
|
|
|
996 }
|
|
|
997
|
|
|
998 return NGX_CONF_OK;
|
|
|
999 }
|
|
|
1000
|
|
|
1001
|
|
|
1002 static char *
|
|
48
|
1003 ngx_set_priority(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
22
|
1004 {
|
|
|
1005 ngx_core_conf_t *ccf = conf;
|
|
|
1006
|
|
|
1007 ngx_str_t *value;
|
|
|
1008 ngx_uint_t n, minus;
|
|
|
1009
|
|
|
1010 if (ccf->priority != 0) {
|
|
|
1011 return "is duplicate";
|
|
|
1012 }
|
|
|
1013
|
|
|
1014 value = cf->args->elts;
|
|
|
1015
|
|
|
1016 if (value[1].data[0] == '-') {
|
|
|
1017 n = 1;
|
|
|
1018 minus = 1;
|
|
|
1019
|
|
|
1020 } else if (value[1].data[0] == '+') {
|
|
|
1021 n = 1;
|
|
|
1022 minus = 0;
|
|
|
1023
|
|
|
1024 } else {
|
|
|
1025 n = 0;
|
|
|
1026 minus = 0;
|
|
|
1027 }
|
|
|
1028
|
|
|
1029 ccf->priority = ngx_atoi(&value[1].data[n], value[1].len - n);
|
|
|
1030 if (ccf->priority == NGX_ERROR) {
|
|
|
1031 return "invalid number";
|
|
|
1032 }
|
|
|
1033
|
|
|
1034 if (minus) {
|
|
|
1035 ccf->priority = -ccf->priority;
|
|
|
1036 }
|
|
|
1037
|
|
|
1038 return NGX_CONF_OK;
|
|
|
1039 }
|
|
126
|
1040
|
|
|
1041
|
|
|
1042 static char *
|
|
|
1043 ngx_set_cpu_affinity(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1044 {
|
|
|
1045 #if (NGX_HAVE_SCHED_SETAFFINITY)
|
|
|
1046 ngx_core_conf_t *ccf = conf;
|
|
|
1047
|
|
|
1048 u_char ch;
|
|
|
1049 u_long *mask;
|
|
|
1050 ngx_str_t *value;
|
|
|
1051 ngx_uint_t i, n;
|
|
|
1052
|
|
|
1053 if (ccf->cpu_affinity) {
|
|
|
1054 return "is duplicate";
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 mask = ngx_palloc(cf->pool, (cf->args->nelts - 1) * sizeof(long));
|
|
|
1058 if (mask == NULL) {
|
|
|
1059 return NGX_CONF_ERROR;
|
|
|
1060 }
|
|
|
1061
|
|
|
1062 ccf->cpu_affinity_n = cf->args->nelts - 1;
|
|
|
1063 ccf->cpu_affinity = mask;
|
|
|
1064
|
|
|
1065 value = cf->args->elts;
|
|
|
1066
|
|
|
1067 for (n = 1; n < cf->args->nelts; n++) {
|
|
|
1068
|
|
|
1069 if (value[n].len > 32) {
|
|
|
1070 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1071 "\"worker_cpu_affinity\" supports up to 32 CPU only");
|
|
|
1072 return NGX_CONF_ERROR;
|
|
|
1073 }
|
|
|
1074
|
|
|
1075 mask[n - 1] = 0;
|
|
|
1076
|
|
|
1077 for (i = 0; i < value[n].len; i++) {
|
|
|
1078
|
|
|
1079 ch = value[n].data[i];
|
|
|
1080
|
|
|
1081 if (ch == ' ') {
|
|
|
1082 continue;
|
|
|
1083 }
|
|
|
1084
|
|
|
1085 mask[n - 1] <<= 1;
|
|
|
1086
|
|
|
1087 if (ch == '0') {
|
|
|
1088 continue;
|
|
|
1089 }
|
|
|
1090
|
|
|
1091 if (ch == '1') {
|
|
|
1092 mask[n - 1] |= 1;
|
|
|
1093 continue;
|
|
|
1094 }
|
|
|
1095
|
|
|
1096 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1097 "invalid character \"%c\" in \"worker_cpu_affinity\"",
|
|
|
1098 ch);
|
|
378
|
1099 return NGX_CONF_ERROR;
|
|
126
|
1100 }
|
|
|
1101 }
|
|
|
1102
|
|
|
1103 #else
|
|
|
1104
|
|
|
1105 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
1106 "\"worker_cpu_affinity\" is not supported "
|
|
|
1107 "on this platform, ignored");
|
|
|
1108 #endif
|
|
|
1109
|
|
|
1110 return NGX_CONF_OK;
|
|
|
1111 }
|
|
|
1112
|
|
|
1113
|
|
|
1114 u_long
|
|
|
1115 ngx_get_cpu_affinity(ngx_uint_t n)
|
|
|
1116 {
|
|
|
1117 ngx_core_conf_t *ccf;
|
|
|
1118
|
|
|
1119 ccf = (ngx_core_conf_t *) ngx_get_conf(ngx_cycle->conf_ctx,
|
|
|
1120 ngx_core_module);
|
|
|
1121
|
|
|
1122 if (ccf->cpu_affinity == NULL) {
|
|
|
1123 return 0;
|
|
|
1124 }
|
|
|
1125
|
|
|
1126 if (ccf->cpu_affinity_n > n) {
|
|
|
1127 return ccf->cpu_affinity[n];
|
|
|
1128 }
|
|
|
1129
|
|
|
1130 return ccf->cpu_affinity[ccf->cpu_affinity_n - 1];
|
|
|
1131 }
|
