2002-08-07 00:39:45 +08:00
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#include <ngx_config.h>
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2003-01-10 14:09:20 +08:00
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#include <ngx_core.h>
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2003-06-11 23:28:34 +08:00
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#include <ngx_event.h>
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2003-05-30 22:27:59 +08:00
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#include <nginx.h>
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2002-08-07 00:39:45 +08:00
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2004-03-04 15:04:55 +08:00
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#if 0
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2003-07-11 23:17:50 +08:00
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typedef struct {
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2004-01-22 14:47:28 +08:00
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ngx_flag_t daemon;
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ngx_flag_t master;
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ngx_flag_t worker_reopen;
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uid_t user;
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gid_t group;
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ngx_str_t pid;
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ngx_str_t newpid;
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2003-07-11 23:17:50 +08:00
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} ngx_core_conf_t;
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2004-01-09 01:08:10 +08:00
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typedef struct {
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ngx_file_t pid;
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2004-01-14 05:33:59 +08:00
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char *name;
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2004-02-10 04:47:18 +08:00
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int argc;
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2004-01-09 01:08:10 +08:00
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char *const *argv;
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} ngx_master_ctx_t;
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static void ngx_master_process_cycle(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx);
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2004-01-17 02:29:15 +08:00
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static void ngx_master_exit(ngx_cycle_t *cycle, ngx_master_ctx_t *ctx);
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2004-01-09 01:08:10 +08:00
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static void ngx_worker_process_cycle(ngx_cycle_t *cycle, void *data);
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2004-02-24 04:57:12 +08:00
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#if (NGX_THREADS)
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static int ngx_worker_thread_cycle(void *data);
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#endif
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2004-03-04 15:04:55 +08:00
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#endif
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2004-03-10 03:47:07 +08:00
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static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle);
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2004-02-10 04:47:18 +08:00
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static ngx_int_t ngx_getopt(ngx_master_ctx_t *ctx, ngx_cycle_t *cycle);
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2004-01-09 01:08:10 +08:00
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static ngx_int_t ngx_core_module_init(ngx_cycle_t *cycle);
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2004-01-21 04:40:08 +08:00
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static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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2004-01-09 01:08:10 +08:00
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2003-07-11 23:17:50 +08:00
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static ngx_str_t core_name = ngx_string("core");
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static ngx_command_t ngx_core_commands[] = {
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2004-01-06 04:55:48 +08:00
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{ ngx_string("user"),
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2004-01-21 04:40:08 +08:00
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NGX_MAIN_CONF|NGX_CONF_TAKE12,
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ngx_set_user,
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0,
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2004-01-06 04:55:48 +08:00
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0,
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NULL },
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2003-12-09 23:08:11 +08:00
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{ ngx_string("daemon"),
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NGX_MAIN_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_core_flag_slot,
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0,
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offsetof(ngx_core_conf_t, daemon),
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NULL },
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2004-01-09 01:08:10 +08:00
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{ ngx_string("master_process"),
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2004-01-06 04:55:48 +08:00
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NGX_MAIN_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_core_flag_slot,
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0,
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2004-01-09 01:08:10 +08:00
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offsetof(ngx_core_conf_t, master),
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2004-01-06 04:55:48 +08:00
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NULL },
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2004-02-10 04:47:18 +08:00
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{ ngx_string("pid"),
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NGX_MAIN_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_core_str_slot,
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0,
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offsetof(ngx_core_conf_t, pid),
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NULL },
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2004-01-22 14:47:28 +08:00
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{ ngx_string("worker_reopen"),
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NGX_MAIN_CONF|NGX_CONF_TAKE1,
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ngx_conf_set_core_flag_slot,
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0,
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offsetof(ngx_core_conf_t, worker_reopen),
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NULL },
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2003-12-09 23:08:11 +08:00
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ngx_null_command
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2003-07-11 23:17:50 +08:00
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};
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ngx_module_t ngx_core_module = {
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NGX_MODULE,
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&core_name, /* module context */
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ngx_core_commands, /* module directives */
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NGX_CORE_MODULE, /* module type */
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2004-01-06 04:55:48 +08:00
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ngx_core_module_init, /* init module */
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2003-07-11 23:17:50 +08:00
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NULL /* init child */
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};
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2004-02-24 04:57:12 +08:00
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ngx_int_t ngx_max_module;
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ngx_atomic_t ngx_connection_counter;
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2002-12-15 14:25:09 +08:00
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2004-02-24 04:57:12 +08:00
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ngx_int_t ngx_process;
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ngx_pid_t ngx_pid;
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ngx_pid_t ngx_new_binary;
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ngx_int_t ngx_inherited;
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2003-07-04 00:30:22 +08:00
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2003-07-01 23:00:03 +08:00
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2004-03-10 03:47:07 +08:00
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int main(int argc, char *const *argv)
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2002-08-07 00:39:45 +08:00
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{
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2004-01-06 04:55:48 +08:00
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ngx_int_t i;
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ngx_log_t *log;
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ngx_cycle_t *cycle, init_cycle;
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ngx_core_conf_t *ccf;
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2004-01-09 01:08:10 +08:00
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ngx_master_ctx_t ctx;
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2003-11-13 14:14:05 +08:00
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#if !(WIN32)
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2004-01-06 04:55:48 +08:00
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size_t len;
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char pid[/* STUB */ 10];
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2003-11-13 14:14:05 +08:00
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#endif
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2002-12-23 14:29:22 +08:00
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2003-12-06 01:07:27 +08:00
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#if __FreeBSD__
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ngx_debug_init();
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2003-07-07 14:11:50 +08:00
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#endif
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2003-07-02 13:01:53 +08:00
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/* TODO */ ngx_max_sockets = -1;
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2003-05-20 23:37:55 +08:00
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2003-11-26 04:44:56 +08:00
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ngx_time_init();
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2004-01-09 01:08:10 +08:00
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2003-12-19 16:15:11 +08:00
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#if (HAVE_PCRE)
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2003-11-26 04:44:56 +08:00
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ngx_regex_init();
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2003-12-19 16:15:11 +08:00
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#endif
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2003-11-13 14:14:05 +08:00
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2003-06-03 23:42:58 +08:00
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log = ngx_log_init_errlog();
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2004-02-04 00:43:54 +08:00
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ngx_pid = ngx_getpid();
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2002-08-20 22:48:28 +08:00
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2004-02-10 04:47:18 +08:00
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/* init_cycle->log is required for signal handlers and ngx_getopt() */
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2003-12-19 16:15:11 +08:00
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ngx_memzero(&init_cycle, sizeof(ngx_cycle_t));
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init_cycle.log = log;
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ngx_cycle = &init_cycle;
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2004-03-10 03:47:07 +08:00
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#if 0
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/* STUB */ log->log_level = NGX_LOG_DEBUG_ALL;
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#endif
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2004-02-10 04:47:18 +08:00
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ngx_memzero(&ctx, sizeof(ngx_master_ctx_t));
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ctx.argc = argc;
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ctx.argv = argv;
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2004-02-26 04:16:15 +08:00
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#if (NGX_THREADS)
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if (ngx_time_mutex_init(log) == NGX_ERROR) {
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return 1;
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}
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#endif
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2004-02-10 04:47:18 +08:00
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if (ngx_getopt(&ctx, &init_cycle) == NGX_ERROR) {
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return 1;
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}
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2003-06-03 23:42:58 +08:00
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if (ngx_os_init(log) == NGX_ERROR) {
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2003-05-20 00:39:14 +08:00
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return 1;
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2003-05-15 01:13:13 +08:00
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}
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2003-04-08 23:40:10 +08:00
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ngx_max_module = 0;
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for (i = 0; ngx_modules[i]; i++) {
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ngx_modules[i]->index = ngx_max_module++;
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}
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2004-01-06 04:55:48 +08:00
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if (!(init_cycle.pool = ngx_create_pool(1024, log))) {
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return 1;
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}
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2004-03-10 03:47:07 +08:00
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if (ngx_add_inherited_sockets(&init_cycle) == NGX_ERROR) {
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2004-01-06 04:55:48 +08:00
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return 1;
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}
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cycle = ngx_init_cycle(&init_cycle);
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2003-07-02 13:01:53 +08:00
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if (cycle == NULL) {
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2003-06-26 23:35:36 +08:00
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return 1;
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}
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2003-07-07 14:11:50 +08:00
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ngx_cycle = cycle;
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2003-07-04 23:10:33 +08:00
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2004-01-06 04:55:48 +08:00
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ccf = (ngx_core_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_core_module);
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2004-01-09 01:08:10 +08:00
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ngx_process = (ccf->master != 0) ? NGX_PROCESS_MASTER : NGX_PROCESS_SINGLE;
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2004-01-06 04:55:48 +08:00
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2004-01-08 16:47:17 +08:00
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#if (WIN32)
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#if 0
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if (run_as_service) {
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if (ngx_servie(cycle->log) == NGX_ERROR) {
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return 1;
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}
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return 0;
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2004-01-06 04:55:48 +08:00
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}
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2004-01-08 16:47:17 +08:00
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#endif
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#else
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2003-07-11 00:26:57 +08:00
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2004-02-03 05:19:52 +08:00
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if (!ngx_inherited && ccf->daemon != 0) {
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2003-11-20 00:26:41 +08:00
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if (ngx_daemon(cycle->log) == NGX_ERROR) {
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2003-07-11 00:26:57 +08:00
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return 1;
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}
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}
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2003-12-15 04:10:27 +08:00
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if (ccf->pid.len == 0) {
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ccf->pid.len = sizeof(NGINX_PID) - 1;
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ccf->pid.data = NGINX_PID;
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2004-01-09 05:02:06 +08:00
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ccf->newpid.len = sizeof(NGINX_NEW_PID) - 1;
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ccf->newpid.data = NGINX_NEW_PID;
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2004-02-11 00:23:38 +08:00
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} else {
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ccf->newpid.len = ccf->pid.len + sizeof(NGINX_NEW_PID_EXT);
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if (!(ccf->newpid.data = ngx_alloc(ccf->newpid.len, cycle->log))) {
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return 1;
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}
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ngx_memcpy(ngx_cpymem(ccf->newpid.data, ccf->pid.data, ccf->pid.len),
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NGINX_NEW_PID_EXT, sizeof(NGINX_NEW_PID_EXT));
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2003-12-15 04:10:27 +08:00
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}
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len = ngx_snprintf(pid, /* STUB */ 10, PID_T_FMT, ngx_getpid());
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2004-01-09 01:08:10 +08:00
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ngx_memzero(&ctx.pid, sizeof(ngx_file_t));
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2004-01-09 05:02:06 +08:00
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ctx.pid.name = ngx_inherited ? ccf->newpid : ccf->pid;
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2004-01-14 05:33:59 +08:00
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ctx.name = ccf->pid.data;
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2003-12-15 04:10:27 +08:00
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2004-01-09 01:08:10 +08:00
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ctx.pid.fd = ngx_open_file(ctx.pid.name.data, NGX_FILE_RDWR,
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2003-12-15 04:10:27 +08:00
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NGX_FILE_CREATE_OR_OPEN);
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2004-01-09 01:08:10 +08:00
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if (ctx.pid.fd == NGX_INVALID_FILE) {
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2003-12-15 04:10:27 +08:00
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ngx_log_error(NGX_LOG_EMERG, cycle->log, ngx_errno,
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2004-01-09 01:08:10 +08:00
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ngx_open_file_n " \"%s\" failed", ctx.pid.name.data);
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2003-12-15 04:10:27 +08:00
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return 1;
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}
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2004-01-09 01:08:10 +08:00
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if (ngx_write_file(&ctx.pid, pid, len, 0) == NGX_ERROR) {
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2003-12-15 04:10:27 +08:00
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return 1;
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}
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2004-01-09 01:08:10 +08:00
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if (ngx_close_file(ctx.pid.fd) == NGX_FILE_ERROR) {
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2003-12-15 04:10:27 +08:00
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ngx_log_error(NGX_LOG_ALERT, cycle->log, ngx_errno,
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2004-01-09 01:08:10 +08:00
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ngx_close_file_n " \"%s\" failed", ctx.pid.name.data);
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2003-12-15 04:10:27 +08:00
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}
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2003-07-11 00:26:57 +08:00
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#endif
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2003-06-26 23:35:36 +08:00
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2004-01-09 01:08:10 +08:00
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ngx_master_process_cycle(cycle, &ctx);
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2004-01-08 16:47:17 +08:00
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return 0;
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}
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2004-03-10 03:47:07 +08:00
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static ngx_int_t ngx_add_inherited_sockets(ngx_cycle_t *cycle)
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2004-01-06 04:55:48 +08:00
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{
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2004-03-10 03:47:07 +08:00
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char *p, *v, *inherited;
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2004-01-06 04:55:48 +08:00
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ngx_socket_t s;
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ngx_listening_t *ls;
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2003-06-11 23:28:34 +08:00
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2004-03-10 03:47:07 +08:00
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inherited = getenv(NGINX_VAR);
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if (inherited == NULL) {
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return NGX_OK;
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}
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2002-08-26 23:18:19 +08:00
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2004-03-10 03:47:07 +08:00
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ngx_log_error(NGX_LOG_INFO, cycle->log, 0,
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"using inherited sockets from \"%s\"", inherited);
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ngx_init_array(cycle->listening, cycle->pool,
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10, sizeof(ngx_listening_t), NGX_ERROR);
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for (p = inherited, v = p; *p; p++) {
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if (*p == ':' || *p == ';') {
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s = ngx_atoi(v, p - v);
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if (s == NGX_ERROR) {
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ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
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"invalid socket number \"%s\" in "
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NGINX_VAR " enviroment variable, "
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"ignoring the rest of the variable", v);
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break;
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2002-08-20 22:48:28 +08:00
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}
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2004-01-06 04:55:48 +08:00
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2004-03-10 03:47:07 +08:00
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v = p + 1;
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if (!(ls = ngx_push_array(&cycle->listening))) {
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return NGX_ERROR;
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}
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2004-01-09 05:02:06 +08:00
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2004-03-10 03:47:07 +08:00
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|
ls->fd = s;
|
|
|
|
}
|
2004-01-06 04:55:48 +08:00
|
|
|
}
|
|
|
|
|
2004-03-10 03:47:07 +08:00
|
|
|
ngx_inherited = 1;
|
|
|
|
|
|
|
|
return ngx_set_inherited_sockets(cycle);
|
2004-01-06 04:55:48 +08:00
|
|
|
}
|
|
|
|
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-03-04 15:04:55 +08:00
|
|
|
ngx_pid_t ngx_exec_new_binary(ngx_cycle_t *cycle, char *const *argv)
|
2003-07-07 14:11:50 +08:00
|
|
|
{
|
2004-01-06 04:55:48 +08:00
|
|
|
char *env[2], *var, *p;
|
|
|
|
ngx_int_t i;
|
2004-01-14 05:33:59 +08:00
|
|
|
ngx_pid_t pid;
|
2004-01-06 04:55:48 +08:00
|
|
|
ngx_exec_ctx_t ctx;
|
|
|
|
ngx_listening_t *ls;
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
ctx.path = argv[0];
|
|
|
|
ctx.name = "new binary process";
|
|
|
|
ctx.argv = argv;
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-03-10 03:47:07 +08:00
|
|
|
var = ngx_alloc(sizeof(NGINX_VAR)
|
|
|
|
+ cycle->listening.nelts * (NGX_INT32_LEN + 1) + 2,
|
2004-01-06 04:55:48 +08:00
|
|
|
cycle->log);
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-03-10 03:47:07 +08:00
|
|
|
p = ngx_cpymem(var, NGINX_VAR "=", sizeof(NGINX_VAR));
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
ls = cycle->listening.elts;
|
|
|
|
for (i = 0; i < cycle->listening.nelts; i++) {
|
|
|
|
p += ngx_snprintf(p, NGX_INT32_LEN + 2, "%u;", ls[i].fd);
|
|
|
|
}
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-03-10 03:47:07 +08:00
|
|
|
ngx_log_debug1(NGX_LOG_DEBUG_CORE, cycle->log, 0, "inherited: %s", var);
|
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
env[0] = var;
|
|
|
|
env[1] = NULL;
|
|
|
|
ctx.envp = (char *const *) &env;
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-03-05 00:34:23 +08:00
|
|
|
pid = ngx_execute(cycle, &ctx);
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
ngx_free(var);
|
2004-01-14 05:33:59 +08:00
|
|
|
|
|
|
|
return pid;
|
2004-01-06 04:55:48 +08:00
|
|
|
}
|
2003-07-07 14:11:50 +08:00
|
|
|
|
|
|
|
|
2004-02-10 04:47:18 +08:00
|
|
|
static ngx_int_t ngx_getopt(ngx_master_ctx_t *ctx, ngx_cycle_t *cycle)
|
|
|
|
{
|
|
|
|
ngx_int_t i;
|
|
|
|
|
|
|
|
for (i = 1; i < ctx->argc; i++) {
|
|
|
|
if (ctx->argv[i][0] != '-') {
|
|
|
|
ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
|
"invalid option: \"%s\"", ctx->argv[i]);
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (ctx->argv[i][1]) {
|
|
|
|
|
|
|
|
case 'c':
|
|
|
|
cycle->conf_file.data = ctx->argv[++i];
|
|
|
|
cycle->conf_file.len = ngx_strlen(cycle->conf_file.data);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
ngx_log_error(NGX_LOG_EMERG, cycle->log, 0,
|
|
|
|
"invalid option: \"%s\"", ctx->argv[i]);
|
|
|
|
return NGX_ERROR;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2004-02-11 00:23:38 +08:00
|
|
|
if (cycle->conf_file.data == NULL) {
|
2004-02-10 04:47:18 +08:00
|
|
|
cycle->conf_file.len = sizeof(NGINX_CONF) - 1;
|
|
|
|
cycle->conf_file.data = NGINX_CONF;
|
|
|
|
}
|
|
|
|
|
|
|
|
return NGX_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
static ngx_int_t ngx_core_module_init(ngx_cycle_t *cycle)
|
|
|
|
{
|
|
|
|
ngx_core_conf_t *ccf;
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
/*
|
|
|
|
* ngx_core_module has a special init procedure: it is called by
|
|
|
|
* ngx_init_cycle() before the configuration file parsing to create
|
|
|
|
* ngx_core_module configuration and to set its default parameters
|
|
|
|
*/
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
if (((void **)(cycle->conf_ctx))[ngx_core_module.index] != NULL) {
|
|
|
|
return NGX_OK;
|
|
|
|
}
|
2003-07-07 14:11:50 +08:00
|
|
|
|
2004-01-06 04:55:48 +08:00
|
|
|
if (!(ccf = ngx_pcalloc(cycle->pool, sizeof(ngx_core_conf_t)))) {
|
|
|
|
return NGX_ERROR;
|
2003-07-07 14:11:50 +08:00
|
|
|
}
|
2004-01-06 04:55:48 +08:00
|
|
|
/* set by pcalloc()
|
|
|
|
*
|
|
|
|
* ccf->pid = NULL;
|
2004-02-11 00:23:38 +08:00
|
|
|
* ccf->newpid = NULL;
|
2004-01-06 04:55:48 +08:00
|
|
|
*/
|
2004-01-21 04:40:08 +08:00
|
|
|
ccf->daemon = NGX_CONF_UNSET;
|
|
|
|
ccf->master = NGX_CONF_UNSET;
|
2004-01-22 14:47:28 +08:00
|
|
|
ccf->worker_reopen = NGX_CONF_UNSET;
|
2004-03-04 15:04:55 +08:00
|
|
|
ccf->user = (ngx_uid_t) NGX_CONF_UNSET;
|
|
|
|
ccf->group = (ngx_gid_t) NGX_CONF_UNSET;
|
2004-01-06 04:55:48 +08:00
|
|
|
|
|
|
|
((void **)(cycle->conf_ctx))[ngx_core_module.index] = ccf;
|
|
|
|
|
|
|
|
return NGX_OK;
|
2003-07-07 14:11:50 +08:00
|
|
|
}
|
2004-01-21 04:40:08 +08:00
|
|
|
|
|
|
|
|
|
|
|
static char *ngx_set_user(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
|
{
|
2004-03-04 15:04:55 +08:00
|
|
|
#if (WIN32)
|
|
|
|
|
|
|
|
ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
|
"\"user\" is not supported, ignored");
|
|
|
|
|
|
|
|
return NGX_CONF_OK;
|
|
|
|
|
|
|
|
#else
|
|
|
|
|
2004-01-21 04:40:08 +08:00
|
|
|
struct passwd *pwd;
|
|
|
|
struct group *grp;
|
|
|
|
ngx_str_t *value;
|
|
|
|
ngx_core_conf_t *ccf;
|
|
|
|
|
|
|
|
ccf = *(void **)conf;
|
|
|
|
|
|
|
|
if (ccf->user != (uid_t) NGX_CONF_UNSET) {
|
|
|
|
return "is duplicate";
|
|
|
|
}
|
|
|
|
|
|
|
|
value = (ngx_str_t *) cf->args->elts;
|
|
|
|
|
|
|
|
pwd = getpwnam(value[1].data);
|
|
|
|
if (pwd == NULL) {
|
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
|
|
"getpwnam(%s) failed", value[1].data);
|
|
|
|
return NGX_CONF_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
ccf->user = pwd->pw_uid;
|
|
|
|
|
|
|
|
if (cf->args->nelts == 2) {
|
|
|
|
return NGX_CONF_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
grp = getgrnam(value[2].data);
|
|
|
|
if (grp == NULL) {
|
|
|
|
ngx_conf_log_error(NGX_LOG_EMERG, cf, ngx_errno,
|
|
|
|
"getgrnam(%s) failed", value[1].data);
|
|
|
|
return NGX_CONF_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
ccf->group = grp->gr_gid;
|
|
|
|
|
|
|
|
return NGX_CONF_OK;
|
2004-03-04 15:04:55 +08:00
|
|
|
|
|
|
|
#endif
|
2004-01-21 04:40:08 +08:00
|
|
|
}
|