src/utils/daemonize.c File Reference

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>

Include dependency graph for daemonize.c:

Go to the source code of this file.

Functions
void	daemonize (void)

---

Detailed Description

Disconnect from parent process and let all standard file handles point to /dev/null.

Author:

Georg Hopp

Copyright © 2012 Georg Hopp

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.

Definition in file daemonize.c.

---

Function Documentation

void daemonize

(

void

)

Definition at line 30 of file daemonize.c.

                     {
    pid_t pid;

    if (0 > ((pid = fork()))) {
        perror("deamoinze[fork]");
        exit(EXIT_FAILURE);
    } else if (0 != pid) {
        exit(EXIT_SUCCESS);
    }

    // make new child session leader
    setsid();

    // connect all standard streams to /dev/null
    stderr = freopen("/dev/null", "w", stderr);
    stdin  = freopen("/dev/null", "r", stdin);
    stdout = freopen("/dev/null", "w", stdout);
}