Contents

/*
 * 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_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;
}

Version data entries

34 entries across 34 versions & 1 rubygems

Version	Path
nginxtra-1.10.1.13	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.10.1.12	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.8.1.12	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.8.0.11	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.8.0.10	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.8.0.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.6.3.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.6.2.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.6.1.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.6.0.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.7.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.6.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.5.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.4.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.3.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.2.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.1.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.0.9	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.4.0.8	vendor/nginx/src/os/unix/ngx_daemon.c
nginxtra-1.2.8.8	vendor/nginx/src/os/unix/ngx_daemon.c