mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-21 11:13:30 +00:00
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
|
/*-
|
||
|
|
* Copyright (c) 1999 Berkeley Software Design, Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. Berkeley Software Design Inc's name may not be used to endorse or
|
||
|
|
* promote products derived from this software without specific prior
|
||
|
|
* written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY BERKELEY SOFTWARE DESIGN INC ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL BERKELEY SOFTWARE DESIGN INC BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* From BSDI: daemon.c,v 1.2 1996/08/15 01:11:09 jch Exp
|
||
|
|
* $FreeBSD$
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#include <err.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
static void usage(void);
|
||
|
|
|
||
|
|
int
|
||
|
|
main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
int ch, nochdir, noclose;
|
||
|
|
|
||
|
|
nochdir = noclose = 1;
|
||
|
|
while ((ch = getopt(argc, argv, "-cf")) != -1) {
|
||
|
|
switch (ch) {
|
||
|
|
case 'c':
|
||
|
|
nochdir = 0;
|
||
|
|
break;
|
||
|
|
case 'f':
|
||
|
|
noclose = 0;
|
||
|
|
break;
|
||
|
|
case '?':
|
||
|
|
default:
|
||
|
|
usage();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
argc -= optind;
|
||
|
|
argv += optind;
|
||
|
|
|
||
|
|
if (argc == 0)
|
||
|
|
usage();
|
||
|
|
if (daemon(nochdir, noclose) == -1)
|
||
|
|
err(1, NULL);
|
||
|
|
execvp(argv[0], argv);
|
||
|
|
|
||
|
|
/* The child is now running, so the exit status doesn't matter. */
|
||
|
|
err(1, "%s", argv[0]);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void
|
||
|
|
usage(void)
|
||
|
|
{
|
||
|
|
(void)fprintf(stderr, "usage: daemon [-cf] command arguments ...\n");
|
||
|
|
exit(1);
|
||
|
|
}
|