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authorRainer Gerhards <rgerhards@adiscon.com>2008-04-16 08:56:48 +0200
committerRainer Gerhards <rgerhards@adiscon.com>2008-04-16 08:56:48 +0200
commit3af28bbd2dc4c79b242aad3b9e3f45cffe0f19d0 (patch)
tree6b132af0bfb750b080ce296faa015779e8444bd3 /runtime/sync.c
parentd7f33053da7eb73a8c475956af6e3847e596c80a (diff)
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moved runtime files into their own directory
Diffstat (limited to 'runtime/sync.c')
-rw-r--r--runtime/sync.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/runtime/sync.c b/runtime/sync.c
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+/* synrchonization-related stuff. In theory, that should
+ * help porting to something different from pthreads.
+ *
+ * Copyright 2007 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of the rsyslog runtime library.
+ *
+ * The rsyslog runtime library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The rsyslog runtime library 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * A copy of the GPL can be found in the file "COPYING" in this distribution.
+ * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
+ */
+
+#include "config.h"
+
+#include <stdlib.h>
+
+#include "rsyslog.h"
+#include "sync.h"
+
+
+void
+SyncObjInit(pthread_mutex_t **mut)
+{
+ *mut = (pthread_mutex_t *) malloc (sizeof (pthread_mutex_t));
+ pthread_mutex_init(*mut, NULL);
+}
+
+
+/* This function destroys the mutex and also sets the mutex object
+ * to NULL. While the later is not strictly necessary, it is a good
+ * aid when debugging problems. As this function is not exepected to
+ * be called quite frequently, the additional overhead can well be
+ * accepted. If this changes over time, setting to NULL may be
+ * reconsidered. - rgerhards, 2007-11-12
+ */
+void
+SyncObjExit(pthread_mutex_t **mut)
+{
+ if(*mut != NULL) {
+ pthread_mutex_destroy(*mut);
+ free(*mut);
+ *mut = NULL;
+ }
+}