Mercurial > hg > nginx-vendor-0-6
comparison src/os/unix/ngx_daemon.c @ 0:f0b350454894 NGINX_0_1_0
nginx 0.1.0
*) The first public version.
author | Igor Sysoev <http://sysoev.ru> |
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date | Mon, 04 Oct 2004 00:00:00 +0400 |
parents | |
children | 6cfc63e68377 |
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-1:000000000000 | 0:f0b350454894 |
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1 | |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 | |
10 | |
11 int ngx_daemon(ngx_log_t *log) | |
12 { | |
13 int fd; | |
14 | |
15 switch (fork()) { | |
16 case -1: | |
17 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "fork() failed"); | |
18 return NGX_ERROR; | |
19 | |
20 case 0: | |
21 break; | |
22 | |
23 default: | |
24 exit(0); | |
25 } | |
26 | |
27 ngx_pid = ngx_getpid(); | |
28 | |
29 if (setsid() == -1) { | |
30 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "setsid() failed"); | |
31 return NGX_ERROR; | |
32 } | |
33 | |
34 umask(0); | |
35 | |
36 fd = open("/dev/null", O_RDWR); | |
37 if (fd == -1) { | |
38 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, | |
39 "open(\"/dev/null\") failed"); | |
40 return NGX_ERROR; | |
41 } | |
42 | |
43 if (dup2(fd, STDIN_FILENO) == -1) { | |
44 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDIN) failed"); | |
45 return NGX_ERROR; | |
46 } | |
47 | |
48 if (dup2(fd, STDOUT_FILENO) == -1) { | |
49 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDOUT) failed"); | |
50 return NGX_ERROR; | |
51 } | |
52 | |
53 #if 0 | |
54 if (dup2(fd, STDERR_FILENO) == -1) { | |
55 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDERR) failed"); | |
56 return NGX_ERROR; | |
57 } | |
58 #endif | |
59 | |
60 if (fd > STDERR_FILENO) { | |
61 if (close(fd) == -1) { | |
62 ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "close() failed"); | |
63 return NGX_ERROR; | |
64 } | |
65 } | |
66 | |
67 return NGX_OK; | |
68 } |