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Diffstat (limited to 'libglusterfs/src/daemon.c')
-rw-r--r--libglusterfs/src/daemon.c102
1 files changed, 53 insertions, 49 deletions
diff --git a/libglusterfs/src/daemon.c b/libglusterfs/src/daemon.c
index 38dfd3f386b..0a3e5438325 100644
--- a/libglusterfs/src/daemon.c
+++ b/libglusterfs/src/daemon.c
@@ -1,61 +1,65 @@
/*
- Copyright (c) 2011 Gluster, Inc. <http://www.gluster.com>
+ Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.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 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
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
*/
-#include <fcntl.h>
#include <unistd.h>
#include <stdio.h>
+#include "glusterfs/daemon.h"
int
-os_daemon (int nochdir, int noclose)
+os_daemon_return(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;
+ 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);
+ if (!ptr)
+ goto out;
+
+ ptr = freopen(DEVNULLPATH, "w", stdout);
+ if (!ptr)
+ goto out;
+
+ ptr = freopen(DEVNULLPATH, "w", stderr);
+ if (!ptr)
+ goto out;
+ }
+
+ ret = 0;
out:
- return ret;
+ 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);
}