From bb65f0fc2176b2ebf0f1be682008609e8bd2cb0a Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Wed, 3 Oct 2012 16:26:24 +0200
Subject: simplified mutex locking idiom by introducing Mutex class (wrapper
 around SDL_mutex)

 * can be instantiated
 * can derive from class Mutex to inherit the lock()/unlock() methods

also fixed LayerList destructor
---
 src/osc_graphics.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'src/osc_graphics.h')

diff --git a/src/osc_graphics.h b/src/osc_graphics.h
index c36ef54..47afa7d 100644
--- a/src/osc_graphics.h
+++ b/src/osc_graphics.h
@@ -4,6 +4,29 @@
 #include <stdio.h>
 
 #include <SDL.h>
+#include <SDL_thread.h>
+
+class Mutex {
+	SDL_mutex *mutex;
+
+public:
+	Mutex() : mutex(SDL_CreateMutex()) {}
+	virtual ~Mutex()
+	{
+		SDL_DestroyMutex(mutex);
+	}
+
+	inline void
+	lock()
+	{
+		SDL_LockMutex(mutex);
+	}
+	inline void
+	unlock()
+	{
+		SDL_UnlockMutex(mutex);
+	}
+};
 
 #include "osc_server.h"
 #include "layer.h"
-- 
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