X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fcore%2Fmutex.h;h=8088a2839dbd21a15b8567f3768e850d5c5bb583;hb=7d8e623512c2cf33eef000cf99af97386dfe6d59;hp=b619fcdb7c6b9127a550a296c9f4cb521d0d3ecc;hpb=e1ea831a640fba534e7e42e399f04cdf681ef8d3;p=libs%2Fcore.git

diff --git a/source/core/mutex.h b/source/core/mutex.h
index b619fcd..8088a28 100644
--- a/source/core/mutex.h
+++ b/source/core/mutex.h
@@ -1,12 +1,13 @@
-/*
-This file is part of libmspframework
+/* $Id$
+
+This file is part of libmspcore
 Copyright © 2006 Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
-#ifndef MSP_FRAMEWORK_MUTEX_H_
-#define MSP_FRAMEWORK_MUTEX_H_
+#ifndef MSP_CORE_MUTEX_H_
+#define MSP_CORE_MUTEX_H_
 
-#include <msp/refcount.h>
+#include "refptr.h"
 #include "types.h"
 
 namespace Msp {
@@ -33,17 +34,42 @@ private:
 	friend class Semaphore;
 };
 
+/**
+Locks the mutex for te lifetime of the object.
+*/
 class MutexLock
 {
 public:
-	MutexLock(Mutex &m): mutex(m) { mutex.lock(); }
-	~MutexLock()                  { mutex.unlock(); }
+	MutexLock(Mutex &m, bool l=true): mutex(m) { if(l) mutex.lock(); }
+	~MutexLock() { mutex.unlock(); }
+
+	int lock() { return mutex.lock(); }
 private:
 	Mutex &mutex;
-};
 
+	MutexLock(const MutexLock &);
+	MutexLock &operator=(const MutexLock &);
+};
 
+/**
+Protects a pointer with a mutex.  As long as the MutexPtr (or a copy of it)
+exists, the mutex will stay locked.
+*/
 template<typename T>
+class MutexPtr
+{
+public:
+	MutexPtr(T *d, Mutex &m): mutex(new MutexLock(m)), data(d) { }
+
+	T &operator*() const { return *data; }
+	T *operator->() const { return data; }
+	void clear() { mutex=0; data=0; }
+private:
+	RefPtr<MutexLock> mutex;
+	T *data;
+};
+
+/*template<typename T>
 class MutexPtr: public RefCount
 {
 public:
@@ -66,7 +92,7 @@ protected:
 		}
 		return true;
 	}
-};
+};*/
 
 }