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authorVijay Bellur <vijay@gluster.com>2011-07-28 11:27:39 +0530
committerAnand Avati <avati@gluster.com>2011-07-28 02:52:26 -0700
commit508cd242ea3495f987cf9f34c627482bfc68949b (patch)
treec53c2421a27c54af77304c32844d02c23e07b4c1 /libglusterfs/src/daemon.c
parent3b60eea533f591517e874ccc36f2489baad42998 (diff)
libglusterfs: Bring in os_daemon() routine to replace FreeBSD code
Change-Id: I72dda0bb9e3b6cfa8b8ecffe85cc606f5a682313 BUG: 3206 Reviewed-on: http://review.gluster.com/117 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amar@gluster.com>
Diffstat (limited to 'libglusterfs/src/daemon.c')
-rw-r--r--libglusterfs/src/daemon.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/libglusterfs/src/daemon.c b/libglusterfs/src/daemon.c
new file mode 100644
index 000000000..36196e201
--- /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;
+}