Mercurial > hg > nginx-quic
comparison src/os/unix/ngx_daemon.c @ 86:3973260705cc
nginx-0.0.1-2003-05-12-19:52:24 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Mon, 12 May 2003 15:52:24 +0000 |
parents | |
children | 19cc647ecd91 |
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85:3549c2bf9eaf | 86:3973260705cc |
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1 | |
2 #include <ngx_config.h> | |
3 #include <ngx_core.h> | |
4 #include <ngx_log.h> | |
5 | |
6 /* daemon in Linux */ | |
7 | |
8 int ngx_daemon(ngx_log_t *log) | |
9 { | |
10 int fd; | |
11 | |
12 switch (fork()) { | |
13 case -1: | |
14 ngx_log_error(NGX_LOG_ALERT, log, errno, "fork() failed"); | |
15 return NGX_ERROR; | |
16 | |
17 case 0: | |
18 break; | |
19 | |
20 default: | |
21 exit(0); | |
22 } | |
23 | |
24 if (setsid() == -1) { | |
25 ngx_log_error(NGX_LOG_ALERT, log, errno, "setsid() failed"); | |
26 return NGX_ERROR; | |
27 } | |
28 | |
29 #if (__SVR4 || linux) | |
30 | |
31 /* need HUP IGN ? check in Solaris and Linux */ | |
32 | |
33 switch (fork()) { | |
34 case -1: | |
35 ngx_log_error(NGX_LOG_ALERT, log, errno, "fork() failed"); | |
36 return NGX_ERROR; | |
37 | |
38 case 0: | |
39 break; | |
40 | |
41 default: | |
42 exit(0); | |
43 } | |
44 | |
45 #endif | |
46 | |
47 umask(0); | |
48 | |
49 #if 0 | |
50 fd = open("/dev/null", O_RDWR); | |
51 if (fd == -1) { | |
52 ngx_log_error(NGX_LOG_ALERT, log, errno, "open(\"/dev/null\") failed"); | |
53 return NGX_ERROR; | |
54 } | |
55 | |
56 if (dup2(fd, STDIN_FILENO) == -1) { | |
57 ngx_log_error(NGX_LOG_ALERT, log, errno, "dup2(STDIN) failed"); | |
58 return NGX_ERROR; | |
59 } | |
60 | |
61 if (dup2(fd, STDOUT_FILENO) == -1) { | |
62 ngx_log_error(NGX_LOG_ALERT, log, errno, "dup2(STDOUT) failed"); | |
63 return NGX_ERROR; | |
64 } | |
65 | |
66 if (dup2(fd, STDERR_FILENO) == -1) { | |
67 ngx_log_error(NGX_LOG_ALERT, log, errno, "dup2(STDERR) failed"); | |
68 return NGX_ERROR; | |
69 } | |
70 | |
71 if (fd > STDERR_FILENO) { | |
72 if (close(fd) == -1) { | |
73 ngx_log_error(NGX_LOG_ALERT, log, errno, "close() failed"); | |
74 return NGX_ERROR; | |
75 } | |
76 } | |
77 #endif | |
78 | |
79 return NGX_OK; | |
80 } |