From e55e2eeb07ab6e1fd2f80310d218243abb336e00 Mon Sep 17 00:00:00 2001
From: Lubos Dolezel <lubos@dolezel.info>
Date: Tue, 30 Jul 2013 22:11:19 +0200
Subject: [PATCH] Adding missing rwmutex.h

---
 src/util/rwmutex.h | 73 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 src/util/rwmutex.h

diff --git a/src/util/rwmutex.h b/src/util/rwmutex.h
new file mode 100644
index 000000000..8df8503f3
--- /dev/null
+++ b/src/util/rwmutex.h
@@ -0,0 +1,73 @@
+#ifndef RWLOCK_H
+#define RWLOCK_H
+#include <pthread.h>
+
+namespace Darling {
+
+class RWMutex
+{
+public:
+	RWMutex()
+	{
+		pthread_rwlock_init(&m_lock, nullptr);
+	}
+	~RWMutex()
+	{
+		pthread_rwlock_destroy(&m_lock);
+	}
+	
+	void rdlock()
+	{
+		pthread_rwlock_rdlock(&m_lock);
+	}
+	
+	void wrlock()
+	{
+		pthread_rwlock_wrlock(&m_lock);
+	}
+	
+	void unlock()
+	{
+		pthread_rwlock_unlock(&m_lock);
+	}
+private:
+	pthread_rwlock_t m_lock;
+};
+
+class RWMutexReadLock
+{
+public:
+	RWMutexReadLock(RWMutex& mut)
+	: m_mutex(mut)
+	{
+		m_mutex.rdlock();
+	}
+	
+	~RWMutexReadLock()
+	{
+		m_mutex.unlock();
+	}
+private:
+	RWMutex& m_mutex;
+};
+
+class RWMutexWriteLock
+{
+public:
+	RWMutexWriteLock(RWMutex& mut)
+	: m_mutex(mut)
+	{
+		m_mutex.wrlock();
+	}
+	
+	~RWMutexWriteLock()
+	{
+		m_mutex.unlock();
+	}
+private:
+	RWMutex& m_mutex;
+};
+
+}
+
+#endif
-- 
2.51.2