Mercurial > hg > nginx-vendor-current
view src/os/unix/ngx_daemon.c @ 418:ff86d646f9df NGINX_0_7_21
nginx 0.7.21
*) Changes in the ngx_http_limit_req_module.
*) Feature: the EXSLT support in the ngx_http_xslt_module.
Thanks to Denis F. Latypoff.
*) Workaround: compatibility with glibc 2.3.
Thanks to Eric Benson and Maxim Dounin.
*) Bugfix: nginx could not run on MacOSX 10.4 and earlier; the bug had
appeared in 0.7.6.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Tue, 11 Nov 2008 00:00:00 +0300 |
parents | 6cfc63e68377 |
children | d0f7a625f27c |
line wrap: on
line source
/* * Copyright (C) Igor Sysoev */ #include <ngx_config.h> #include <ngx_core.h> ngx_int_t ngx_daemon(ngx_log_t *log) { int fd; switch (fork()) { case -1: ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "fork() failed"); return NGX_ERROR; case 0: break; default: exit(0); } ngx_pid = ngx_getpid(); if (setsid() == -1) { ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "setsid() failed"); return NGX_ERROR; } umask(0); fd = open("/dev/null", O_RDWR); if (fd == -1) { ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "open(\"/dev/null\") failed"); return NGX_ERROR; } if (dup2(fd, STDIN_FILENO) == -1) { ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDIN) failed"); return NGX_ERROR; } if (dup2(fd, STDOUT_FILENO) == -1) { ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDOUT) failed"); return NGX_ERROR; } #if 0 if (dup2(fd, STDERR_FILENO) == -1) { ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "dup2(STDERR) failed"); return NGX_ERROR; } #endif if (fd > STDERR_FILENO) { if (close(fd) == -1) { ngx_log_error(NGX_LOG_EMERG, log, ngx_errno, "close() failed"); return NGX_ERROR; } } return NGX_OK; }