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annotate src/os/unix/ngx_process.h @ 539:371c1cee100d release-0.1.44

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nginx-0.1.44-RELEASE import *) Feature: the IMAP/POP3 proxy supports SSL. *) Feature: the "proxy_timeout" directive of the ngx_imap_proxy_module. *) Feature: the "userid_mark" directive. *) Feature: the $remote_user variable value is determined independently of authorization use.
author Igor Sysoev <igor@sysoev.ru>
date Tue, 06 Sep 2005 16:09:32 +0000
parents c3bd8cdabb8f
children 511a89da35ad
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 */
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7 #ifndef _NGX_PROCESS_H_INCLUDED_
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8 #define _NGX_PROCESS_H_INCLUDED_
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11 #include <ngx_setproctitle.h>
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14 typedef pid_t ngx_pid_t;
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16 typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
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18 typedef struct {
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19 ngx_pid_t pid;
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20 int status;
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21 ngx_socket_t channel[2];
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23 ngx_spawn_proc_pt proc;
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24 void *data;
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25 char *name;
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27 unsigned respawn:1;
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28 unsigned just_respawn:1;
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29 unsigned detached:1;
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30 unsigned exiting:1;
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31 unsigned exited:1;
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32 } ngx_process_t;
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35 typedef struct {
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36 char *path;
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37 char *name;
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38 char *const *argv;
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39 char *const *envp;
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40 } ngx_exec_ctx_t;
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43 #define NGX_MAX_PROCESSES 1024
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45 #define NGX_PROCESS_NORESPAWN -1
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46 #define NGX_PROCESS_RESPAWN -2
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47 #define NGX_PROCESS_JUST_RESPAWN -3
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48 #define NGX_PROCESS_DETACHED -4
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51 #define ngx_getpid getpid
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52 #define ngx_log_pid ngx_pid
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54 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
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55 ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn);
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56 ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
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57 ngx_int_t ngx_init_signals(ngx_log_t *log);
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58 void ngx_debug_point(void);
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61 #if (NGX_HAVE_SCHED_YIELD)
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62 #define ngx_sched_yield() sched_yield()
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63 #else
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64 #define ngx_sched_yield() usleep(1)
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65 #endif
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68 extern int ngx_argc;
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69 extern char **ngx_argv;
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70 extern char **ngx_os_argv;
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72 extern ngx_pid_t ngx_pid;
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73 extern ngx_socket_t ngx_channel;
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74 extern ngx_int_t ngx_process_slot;
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75 extern ngx_int_t ngx_last_process;
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76 extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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79 #endif /* _NGX_PROCESS_H_INCLUDED_ */