diff options
Diffstat (limited to 'libglusterfs/src/daemon.c')
| -rw-r--r-- | libglusterfs/src/daemon.c | 61 | 
1 files changed, 61 insertions, 0 deletions
diff --git a/libglusterfs/src/daemon.c b/libglusterfs/src/daemon.c new file mode 100644 index 00000000000..36196e201f9 --- /dev/null +++ b/libglusterfs/src/daemon.c @@ -0,0 +1,61 @@ +/* +  Copyright (c) 2011 Gluster, Inc. <http://www.gluster.com> +  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 +  <http://www.gnu.org/licenses/>. +*/ + +#include <fcntl.h> +#include <unistd.h> +#include <stdio.h> + +int +os_daemon (int nochdir, int noclose) +{ +	pid_t   pid = -1; +	int     ret = -1; +        FILE    *ptr = NULL; + +	ret = fork(); + +        switch (ret) { +        case -1: +                return (-1); +        case 0: +                break; +        default: +                _exit(0); +        } + +	pid = setsid(); + +	if (pid == -1) { +                ret = -1; +		goto out; +        } + +	if (!nochdir) +		ret = chdir("/"); + +        if (!noclose) { +                ptr = freopen ("/dev/null", "r", stdin); +                ptr = freopen ("/dev/null", "w", stdout); +                ptr = freopen ("/dev/null", "w", stderr); +	} + +        ret = 0; +out: +	return ret; +}  | 
