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| author | Karel Zak | 2006-12-07 00:25:46 +0100 |
|---|---|---|
| committer | Karel Zak | 2006-12-07 00:25:46 +0100 |
| commit | c07ebfa1e02d208ab12430e6791ea147bcfaf9c0 (patch) | |
| tree | d44a755098286f5d553c7aea1a73d98c2995d6ec /sys-utils/setsid.c | |
| parent | Imported from util-linux-2.10s tarball. (diff) | |
| download | kernel-qcow2-util-linux-c07ebfa1e02d208ab12430e6791ea147bcfaf9c0.tar.gz kernel-qcow2-util-linux-c07ebfa1e02d208ab12430e6791ea147bcfaf9c0.tar.xz kernel-qcow2-util-linux-c07ebfa1e02d208ab12430e6791ea147bcfaf9c0.zip | |
Imported from util-linux-2.11b tarball.
Diffstat (limited to 'sys-utils/setsid.c')
| -rw-r--r-- | sys-utils/setsid.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/sys-utils/setsid.c b/sys-utils/setsid.c index 7aeb2de89..baf3b0aae 100644 --- a/sys-utils/setsid.c +++ b/sys-utils/setsid.c @@ -3,9 +3,12 @@ * Rick Sladkey <jrs@world.std.com> * In the public domain. * - * 1999-02-22 Arkadiusz Mi¶kiewicz <misiek@misiek.eu.org> + * 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> @@ -13,8 +16,8 @@ #include <stdlib.h> #include "nls.h" -int main(int argc, char *argv[]) -{ +int +main(int argc, char *argv[]) { setlocale(LC_ALL, ""); bindtextdomain(PACKAGE, LOCALEDIR); textdomain(PACKAGE); @@ -24,8 +27,19 @@ int main(int argc, char *argv[]) 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"); + perror("setsid"); /* cannot happen */ exit(1); } execvp(argv[1], argv + 1); |