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annotate src/os/unix/ngx_process.h @ 4:4b2dafa26fe2 NGINX_0_1_2

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nginx 0.1.2 *) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS options in configure. *) Feature: the server_name directive supports *.domain.tld. *) Bugfix: the portability improvements. *) Bugfix: if configuration file was set in command line, the reconfiguration was impossible; bug appeared in 0.1.1. *) Bugfix: proxy module may get caught in an endless loop when sendfile is not used. *) Bugfix: with sendfile the response was not recoded according to the charset module directives; bug appeared in 0.1.1. *) Bugfix: very seldom bug in the kqueue processing. *) Bugfix: the gzip module compressed the proxied responses that was already compressed.
author Igor Sysoev <http://sysoev.ru>
date Thu, 21 Oct 2004 00:00:00 +0400
parents cc9f381affaa
children 46833bd150cb
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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 typedef pid_t ngx_pid_t;
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13 typedef void (*ngx_spawn_proc_pt) (ngx_cycle_t *cycle, void *data);
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15 typedef struct {
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16 ngx_pid_t pid;
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17 int status;
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18 ngx_socket_t channel[2];
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20 ngx_spawn_proc_pt proc;
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21 void *data;
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22 char *name;
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24 unsigned respawn:1;
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25 unsigned just_respawn:1;
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26 unsigned detached:1;
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27 unsigned exiting:1;
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28 unsigned exited:1;
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29 } ngx_process_t;
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32 typedef struct {
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33 char *path;
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34 char *name;
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35 char *const *argv;
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36 char *const *envp;
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37 } ngx_exec_ctx_t;
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40 #define NGX_MAX_PROCESSES 1024
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42 #define NGX_PROCESS_NORESPAWN -1
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43 #define NGX_PROCESS_RESPAWN -2
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44 #define NGX_PROCESS_JUST_RESPAWN -3
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45 #define NGX_PROCESS_DETACHED -4
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48 #define ngx_getpid getpid
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49 #define ngx_log_pid ngx_pid
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51 ngx_pid_t ngx_spawn_process(ngx_cycle_t *cycle,
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52 ngx_spawn_proc_pt proc, void *data,
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53 char *name, ngx_int_t respawn);
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54 ngx_pid_t ngx_execute(ngx_cycle_t *cycle, ngx_exec_ctx_t *ctx);
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55 void ngx_process_get_status(void);
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58 #if (NGX_HAVE_SCHED_YIELD)
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59 #define ngx_sched_yield() sched_yield()
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60 #else
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61 #define ngx_sched_yield() usleep(1)
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62 #endif
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65 extern int ngx_argc;
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66 extern char **ngx_argv;
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67 extern char **ngx_os_argv;
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69 extern ngx_pid_t ngx_pid;
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70 extern ngx_socket_t ngx_channel;
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71 extern ngx_int_t ngx_process_slot;
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72 extern ngx_int_t ngx_last_process;
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73 extern ngx_process_t ngx_processes[NGX_MAX_PROCESSES];
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76 #endif /* _NGX_PROCESS_H_INCLUDED_ */