started to add thread stuff, mutexes first

2 files changed, 75 insertions, 0 deletions

diff --git a/include/wolf/mutex.h b/include/wolf/mutex.h
new file mode 100644
index 0000000..63cd903
--- /dev/null
+++ b/include/wolf/mutex.h
@@ -0,0 +1,74 @@
+/*
+    Copyright (C) 2008 Andreas Baumann <abaumann@yahoo.com>
+
+    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 3 of the License, or
+    (at your option) any later version.
+
+    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.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef WOLF_MUTEX_H
+#define WOLF_MUTEX_H
+
+/**
+ * @addtogroup wolf_threading Threading support
+ * @{
+ */
+
+/**
+ * @file mutex.h
+ * @brief Portable mutexes for thread synchronization
+ * @author Andreas Baumann <abaumann@yahoo.com>
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "port/sys.h"
+
+#ifdef HAVE_PTHREADS
+
+#include <pthread.h>			/* for mutex functions */
+#include <assert.h>			/* for assert */
+
+typedef pthread_mutex_t wolf_mutex_t;
+
+#define WOLF_MUTEX_DEFAULT_ATTR PTHREAD_MUTEX_NORMAL
+
+wolf_error_t wolf_mutex_init( wolf_mutex_t *mutex );
+wolf_error_t wolf_mutex_destroy( wolf_mutex_t *mutex );
+
+static inline void wolf_mutex_lock( wolf_mutex_t *mutex ) {
+	int res;
+	res = pthread_mutex_lock( mutex );
+	assert( res == 0 );
+}
+
+static inline void wolf_mutex_unlock( wolf_mutex_t *mutex ) {
+	int res;
+	res = pthread_mutex_unlock( mutex );
+	assert( res == 0 );
+}
+
+#endif /* HAVE_PTHREADS */
+
+#ifdef _WIN32
+
+#endif /* _WIN32 */
+
+#ifdef __cplusplus
+}
+#endif
+
+/** @} */ /* @addtogroup wolf_threading */
+
+#endif /* ifndef WOLF_MUTEX_H */
diff --git a/include/wolf/port/sys.h b/include/wolf/port/sys.h
index 2d1faa7..fe0a174 100644
--- a/include/wolf/port/sys.h
+++ b/include/wolf/port/sys.h
@@ -47,6 +47,7 @@
 #define HAVE_SYSLOG_H
 #define HAVE_GETADDRINFO
 #define HAVE_IPV6
+#define HAVE_PTHREADS
 #else
 	#error unknown platform
 #endif /* defined OS_MINOR_VERSION == 6 */