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annotate src/os/unix/ngx_process.h @ 647:95d7da23ea53 release-0.3.45

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nginx-0.3.45-RELEASE import *) Feature: the "ssl_verify_client", "ssl_verify_depth", and "ssl_client_certificate" directives. *) Change: the $request_method variable now returns the main request method. *) Change: the ° symbol codes were changed in koi-win conversion table. *) Feature: the euro and N symbols were added to koi-win conversion table. *) Bugfix: if nginx distributed the requests among several backends and some backend failed, then requests intended for this backend was directed to one live backend only instead of being distributed among the rest.
author Igor Sysoev <igor@sysoev.ru>
date Sat, 06 May 2006 16:28:56 +0000
parents c1f965ef9718
children d82993af1da0
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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 #define NGX_INVALID_PID -1
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18 typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
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20 typedef struct {
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21 ngx_pid_t pid;
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22 int status;
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23 ngx_socket_t channel[2];
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25 ngx_spawn_proc_pt proc;
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26 void *data;
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27 char *name;
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29 unsigned respawn:1;
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30 unsigned just_respawn:1;
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31 unsigned detached:1;
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32 unsigned exiting:1;
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33 unsigned exited:1;
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34 } ngx_process_t;
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37 typedef struct {
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38 char *path;
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39 char *name;
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40 char *const *argv;
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41 char *const *envp;
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42 } ngx_exec_ctx_t;
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45 #define NGX_MAX_PROCESSES 1024
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47 #define NGX_PROCESS_NORESPAWN -1
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48 #define NGX_PROCESS_RESPAWN -2
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49 #define NGX_PROCESS_JUST_RESPAWN -3
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50 #define NGX_PROCESS_DETACHED -4
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53 #define ngx_getpid getpid
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55 #ifndef ngx_log_pid
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56 #define ngx_log_pid ngx_pid
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57 #endif
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60 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
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61 ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn);
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62 ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
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63 ngx_int_t ngx_init_signals(ngx_log_t *log);
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64 void ngx_debug_point(void);
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67 #if (NGX_HAVE_SCHED_YIELD)
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68 #define ngx_sched_yield() sched_yield()
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69 #else
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70 #define ngx_sched_yield() usleep(1)
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71 #endif
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74 extern int ngx_argc;
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75 extern char **ngx_argv;
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76 extern char **ngx_os_argv;
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78 extern ngx_pid_t ngx_pid;
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79 extern ngx_socket_t ngx_channel;
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80 extern ngx_int_t ngx_process_slot;
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81 extern ngx_int_t ngx_last_process;
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82 extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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85 #endif /* _NGX_PROCESS_H_INCLUDED_ */