Mercurial > hg > nginx
view 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> |
---|---|
date | Mon, 12 May 2003 15:52:24 +0000 |
parents | |
children | 19cc647ecd91 |
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#include <ngx_config.h> #include <ngx_core.h> #include <ngx_log.h> /* daemon in Linux */ int ngx_daemon(ngx_log_t *log) { int fd; switch (fork()) { case -1: ngx_log_error(NGX_LOG_ALERT, log, errno, "fork() failed"); return NGX_ERROR; case 0: break; default: exit(0); } if (setsid() == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "setsid() failed"); return NGX_ERROR; } #if (__SVR4 || linux) /* need HUP IGN ? check in Solaris and Linux */ switch (fork()) { case -1: ngx_log_error(NGX_LOG_ALERT, log, errno, "fork() failed"); return NGX_ERROR; case 0: break; default: exit(0); } #endif umask(0); #if 0 fd = open("/dev/null", O_RDWR); if (fd == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "open(\"/dev/null\") failed"); return NGX_ERROR; } if (dup2(fd, STDIN_FILENO) == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "dup2(STDIN) failed"); return NGX_ERROR; } if (dup2(fd, STDOUT_FILENO) == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "dup2(STDOUT) failed"); return NGX_ERROR; } if (dup2(fd, STDERR_FILENO) == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "dup2(STDERR) failed"); return NGX_ERROR; } if (fd > STDERR_FILENO) { if (close(fd) == -1) { ngx_log_error(NGX_LOG_ALERT, log, errno, "close() failed"); return NGX_ERROR; } } #endif return NGX_OK; }