Missed Mutex.h

common/mutex.h

@@ -0,0 +1,83 @@
+/*	EQEMu: Everquest Server Emulator
+	Copyright (C) 2001-2002 EQEMu Development Team (http://eqemu.org)
+
+	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; version 2 of the License.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY except by those people which sell it, which
+	are required to give you total support for your newly bought product;
+	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, write to the Free Software
+	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+#ifndef MYMUTEX_H
+#define MYMUTEX_H
+#ifdef _WINDOWS
+	#include <winsock.h>
+	#include <windows.h>
+#else
+	#include <pthread.h>
+	#include "../common/unix.h"
+#endif
+#include "../common/types.h"
+
+class Mutex {
+public:
+	Mutex();
+	~Mutex();
+
+	void lock();
+	void unlock();
+	bool trylock();
+protected:
+private:
+#if defined WIN32 || defined WIN64
+	CRITICAL_SECTION CSMutex;
+#else
+	pthread_mutex_t CSMutex;
+#endif
+};
+
+class LockMutex {
+public:
+	LockMutex(Mutex* in_mut, bool iLock = true);
+	~LockMutex();
+	void unlock();
+	void lock();
+private:
+	bool	locked;
+	Mutex*	mut;
+};
+
+
+// Somewhat untested...
+// Multi-read, single write mutex -Quagmire
+class MRMutex {
+public:
+	MRMutex();
+	~MRMutex();
+
+	void	ReadLock();
+	bool	TryReadLock();
+	void	UnReadLock();
+
+	void	WriteLock();
+	bool	TryWriteLock();
+	void	UnWriteLock();
+
+	int32	ReadLockCount();
+	int32	WriteLockCount();
+private:
+	int32	rl;	// read locks in effect
+	int32	wr;	// write lock requests pending
+	int32	wl;	// write locks in effect (should never be more than 1)
+	Mutex	MCounters;
+};
+
+#endif
+