Mercurial > hg > nginx
view src/os/unix/ngx_daemon.c @ 8801:2029a30863e2 quic
QUIC: using compile time block/iv length for tokens.
Reference values can be found in RFC 3602, 2.1, 2.4.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Wed, 16 Jun 2021 18:03:33 +0300 |
parents | 8b84d60ef13d |
children | 3d455e37abf8 |
line wrap: on
line source
/* * 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; }