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annotate src/os/unix/ngx_process.h @ 4412:d620f497c50f

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Copyright updated.
author Maxim Konovalov <maxim@nginx.com>
date Wed, 18 Jan 2012 15:07:43 +0000
parents d82993af1da0
children f31162fefe01
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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3 * Copyright (C) Igor Sysoev
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d620f497c50f Copyright updated.
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4 * Copyright (C) Nginx, Inc.
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5 */
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8 #ifndef _NGX_PROCESS_H_INCLUDED_
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9 #define _NGX_PROCESS_H_INCLUDED_
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12 #include <ngx_setproctitle.h>
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15 typedef pid_t ngx_pid_t;
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16
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17 #define NGX_INVALID_PID -1
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19 typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
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21 typedef struct {
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22 ngx_pid_t pid;
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23 int status;
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24 ngx_socket_t channel[2];
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26 ngx_spawn_proc_pt proc;
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27 void *data;
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28 char *name;
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30 unsigned respawn:1;
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31 unsigned just_spawn:1;
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32 unsigned detached:1;
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33 unsigned exiting:1;
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34 unsigned exited:1;
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35 } ngx_process_t;
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38 typedef struct {
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39 char *path;
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40 char *name;
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41 char *const *argv;
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42 char *const *envp;
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43 } ngx_exec_ctx_t;
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46 #define NGX_MAX_PROCESSES 1024
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48 #define NGX_PROCESS_NORESPAWN -1
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49 #define NGX_PROCESS_JUST_SPAWN -2
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50 #define NGX_PROCESS_RESPAWN -3
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51 #define NGX_PROCESS_JUST_RESPAWN -4
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52 #define NGX_PROCESS_DETACHED -5
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55 #define ngx_getpid getpid
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57 #ifndef ngx_log_pid
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58 #define ngx_log_pid ngx_pid
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59 #endif
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62 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
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63 ngx_spawn_proc_pt proc, void *data, char *name, ngx_int_t respawn);
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64 ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
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65 ngx_int_t ngx_init_signals(ngx_log_t *log);
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66 void ngx_debug_point(void);
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69 #if (NGX_HAVE_SCHED_YIELD)
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70 #define ngx_sched_yield() sched_yield()
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71 #else
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72 #define ngx_sched_yield() usleep(1)
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73 #endif
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76 extern int ngx_argc;
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77 extern char **ngx_argv;
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78 extern char **ngx_os_argv;
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80 extern ngx_pid_t ngx_pid;
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81 extern ngx_socket_t ngx_channel;
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82 extern ngx_int_t ngx_process_slot;
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83 extern ngx_int_t ngx_last_process;
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84 extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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87 #endif /* _NGX_PROCESS_H_INCLUDED_ */