79 lines
2.6 KiB
C
Executable File
79 lines
2.6 KiB
C
Executable File
/*******************************************************************************
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# #
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# MJPG-streamer allows to stream JPG frames from an input-plugin #
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# to several output plugins #
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# #
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# Copyright (C) 2007 Tom Stöveken #
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# #
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# This program is free software; you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program; if not, write to the Free Software #
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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# #
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*******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <linux/types.h>
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#include <string.h>
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#include <fcntl.h>
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#include <wait.h>
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#include <time.h>
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#include <limits.h>
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#include "utils.h"
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/******************************************************************************
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Description.:
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Input Value.:
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Return Value:
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******************************************************************************/
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void daemon_mode(void) {
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int fr=0;
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fr = fork();
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if( fr < 0 ) {
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fprintf(stderr, "fork() failed\n");
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exit(1);
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}
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if ( fr > 0 ) {
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exit(0);
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}
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if( setsid() < 0 ) {
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fprintf(stderr, "setsid() failed\n");
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exit(1);
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}
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fr = fork();
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if( fr < 0 ) {
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fprintf(stderr, "fork() failed\n");
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exit(1);
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}
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if ( fr > 0 ) {
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fprintf(stderr, "forked to background (%d)\n", fr);
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exit(0);
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}
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umask(0);
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chdir("/");
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close(0);
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close(1);
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close(2);
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open("/dev/null", O_RDWR);
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dup(0);
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dup(0);
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}
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