Threading primitives separated.

2009-12-23 17:01:30 +01:00
parent 14f7091280
commit b1f35d0695
8 changed files with 530 additions and 394 deletions
@@ -0,0 +1,73 @@
+/*
+ * Copyright (C) 2008 Tobias Brunner
+ * Copyright (C) 2008 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#ifndef THREADING_MUTEX_H_
+#define THREADING_MUTEX_H_
+
+#include "lock_profiler.h"
+
+typedef struct private_mutex_t private_mutex_t;
+typedef struct private_r_mutex_t private_r_mutex_t;
+
+/**
+ * private data of mutex
+ */
+struct private_mutex_t {
+
+	/**
+	 * public functions
+	 */
+	mutex_t public;
+
+	/**
+	 * wrapped pthread mutex
+	 */
+	pthread_mutex_t mutex;
+
+	/**
+	 * is this a recursiv emutex, implementing private_r_mutex_t?
+	 */
+	bool recursive;
+
+	/**
+	 * profiling info, if enabled
+	 */
+	lock_profile_t profile;
+};
+
+/**
+ * private data of mutex, extended by recursive locking information
+ */
+struct private_r_mutex_t {
+
+	/**
+	 * Extends private_mutex_t
+	 */
+	private_mutex_t generic;
+
+	/**
+	 * thread which currently owns mutex
+	 */
+	pthread_t thread;
+
+	/**
+	 * times we have locked the lock, stored per thread
+	 */
+	pthread_key_t times;
+};
+
+#endif /* THREADING_MUTEX_H_ */
+