Mercurial > hg > nginx
view src/os/unix/ngx_daemon.c @ 7297:a10e5fe44762
Upstream: disable body cleanup with preserve_output (ticket #1565).
With u->conf->preserve_output set the request body file might be used
after the response header is sent, so avoid cleaning it. (Normally
this is not a problem as u->conf->preserve_output is only set with
r->request_body_no_buffering, but the request body might be already
written to a file in a different context.)
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Wed, 13 Jun 2018 15:28:11 +0300 |
parents | 8b84d60ef13d |
children | 3d455e37abf8 |
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/* * Copyright (C) Igor Sysoev * Copyright (C) Nginx, Inc. */ #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_parent = ngx_pid; 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; }