Imported Upstream version 3.20.2upstream/3.20.2

1 files changed, 56 insertions, 0 deletions

diff --git a/runtime/sync.c b/runtime/sync.c
new file mode 100644
index 0000000..a3053e2
--- /dev/null
+++ b/runtime/sync.c
@@ -0,0 +1,56 @@
+/* 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;
+	}
+}