Mercurial > hg > nginx-ranges
view src/os/unix/ngx_daemon.c @ 416:a8e3f1441eec NGINX_0_7_17
nginx 0.7.17
*) Feature: now the "directio" directive works on Linux.
*) Feature: the $pid variable.
*) Bugfix: the "directio" optimization that had appeared in 0.7.15 did
not work with open_file_cache.
*) Bugfix: the "access_log" with variables did not work on Linux; the
bug had appeared in 0.7.7.
*) Bugfix: the ngx_http_charset_module did not understand quoted
charset name received from backend.
author | Igor Sysoev <http://sysoev.ru> |
---|---|
date | Mon, 15 Sep 2008 00:00:00 +0400 |
parents | 6cfc63e68377 |
children |
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/* * 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; }