From 55219903e32e750cfdf58260e7c3a2c4f2bfe16e Mon Sep 17 00:00:00 2001 From: Vijay Bellur Date: Mon, 25 Jul 2011 15:31:21 +0530 Subject: libglusterfs: Bring in os_daemon_* routines to replace modified FreeBSD code Change-Id: I41f4635b1b75adb6d22e2e325b99941f8d7a0b42 BUG: 3206 Reviewed-on: http://review.gluster.com/100 Tested-by: Gluster Build System Reviewed-by: Amar Tumballi --- libglusterfs/src/daemon.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 libglusterfs/src/daemon.c (limited to 'libglusterfs/src/daemon.c') diff --git a/libglusterfs/src/daemon.c b/libglusterfs/src/daemon.c new file mode 100644 index 000000000..a6476ec2e --- /dev/null +++ b/libglusterfs/src/daemon.c @@ -0,0 +1,68 @@ +/* + Copyright (c) 2011 Gluster, Inc. + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS 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 + Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see + . +*/ + +#include +#include +#include +#include "daemon.h" + +int +os_daemon_return (int nochdir, int noclose) +{ + pid_t pid = -1; + int ret = -1; + FILE *ptr = NULL; + + + ret = fork(); + if (ret) + return ret; + + pid = setsid(); + + if (pid == -1) { + ret = -1; + goto out; + } + + if (!nochdir) + ret = chdir("/"); + + if (!noclose) { + ptr = freopen (DEVNULLPATH, "r", stdin); + ptr = freopen (DEVNULLPATH, "w", stdout); + ptr = freopen (DEVNULLPATH, "w", stderr); + } + + ret = 0; +out: + return ret; +} + +int +os_daemon (int nochdir, int noclose) +{ + int ret = -1; + + ret = os_daemon_return (nochdir, noclose); + if (ret <= 0) + return ret; + + _exit (0); +} -- cgit