medfall

commit 6ddff6f3a2c4c03269b649cfb4ec3a9a9ae3a0cf
parent f03ba935aef515101aeb68831290109326c7c6c8
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Tue Dec 13 23:13:13 +0200

Add mutex_destroy and ScopedMutexLock

Diffstat:
platform_mutex.h
 | 
16
++++++++++++++++
unix_mutex.h
 | 
7
+++++++
2 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/platform_mutex.h b/platform_mutex.h
@@ -9,4 +9,20 @@
 #error new platform
 #endif
 
+struct ScopedMutexLock {
+	Mutex * mutex;
+
+	ScopedMutexLock( Mutex * mtx ) {
+		mutex = mtx;
+		mutex_lock( mutex );
+	}
+
+	~ScopedMutexLock() {
+		mutex_unlock( mutex );
+	}
+};
+
+#define SCOPED_MUTEX_LOCK( mutex ) \
+	ScopedMutexLock CONCAT( scoped_mtx, __COUNTER___ )( mutex );
+
 #endif // _PLATFORM_MUTEX_H_
diff --git a/unix_mutex.h b/unix_mutex.h
@@ -15,6 +15,13 @@ inline void mutex_init( Mutex * mutex ) {
 	}
 }
 
+inline void mutex_destroy( Mutex * mutex ) {
+	int ok = pthread_mutex_destroy( &mutex->mutex );
+	if( ok != 0 ) {
+		err( 1, "pthread_mutex_destroy: %d", ok );
+	}
+}
+
 inline void mutex_lock( Mutex * mutex ) {
 	int ok = pthread_mutex_lock( &mutex->mutex );
 	if( ok != 0 ) {