Created
November 7, 2014 23:22
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/* | |
* setsid.c -- execute a command in a new session | |
* Rick Sladkey <jrs@world.std.com> | |
* In the public domain. | |
* | |
* 1999-02-22 Arkadiusz Mi�kiewicz <misiek@pld.ORG.PL> | |
* - added Native Language Support | |
* | |
* 2001-01-18 John Fremlin <vii@penguinpowered.com> | |
* - fork in case we are process group leader | |
* | |
*/ | |
#include <stdio.h> | |
#include <unistd.h> | |
#include <stdlib.h> | |
#include "nls.h" | |
int | |
main(int argc, char *argv[]) { | |
setlocale(LC_ALL, ""); | |
bindtextdomain(PACKAGE, LOCALEDIR); | |
textdomain(PACKAGE); | |
if (argc < 2) { | |
fprintf(stderr, _("usage: %s program [arg ...]\n"), | |
argv[0]); | |
exit(1); | |
} | |
if (getpgrp() == getpid()) { | |
switch(fork()){ | |
case -1: | |
perror("fork"); | |
exit(1); | |
case 0: /* child */ | |
break; | |
default: /* parent */ | |
exit(0); | |
} | |
} | |
if (setsid() < 0) { | |
perror("setsid"); /* cannot happen */ | |
exit(1); | |
} | |
execvp(argv[1], argv + 1); | |
perror("execvp"); | |
exit(1); | |
} |
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