update esppilight lib

content of the library is not filtered on 433mhz only

lib/ESPiLight/pilight/libs/openzwave/platform/unix/MutexImpl.cpp

@@ -0,0 +1,136 @@
+//----------------------------------------------------------------------------
+//
+//  MutexImpl.cpp
+//
+//  POSIX implementation of the cross-platform mutex
+//
+//	Copyright (c) 2010, Greg Satz <satz@iranger.com>
+//	All rights reserved.
+//
+//	SOFTWARE NOTICE AND LICENSE
+//
+//	This file is part of OpenZWave.
+//
+//	OpenZWave is free software: you can redistribute it and/or modify
+//	it under the terms of the GNU Lesser General Public License as published
+//	by the Free Software Foundation, either version 3 of the License,
+//	or (at your option) any later version.
+//
+//	OpenZWave is distributed in the hope that it will be useful,
+//	but WITHOUT ANY WARRANTY; without even the implied warranty of
+//	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//	GNU Lesser General Public License for more details.
+//
+//	You should have received a copy of the GNU Lesser General Public License
+//	along with OpenZWave.  If not, see <http://www.gnu.org/licenses/>.
+//
+//-----------------------------------------------------------------------------
+
+#include "../../Defs.h"
+#include "../Log.h"
+#include "MutexImpl.h"
+
+#include <stdio.h>
+#include <errno.h>
+
+using namespace OpenZWave;
+
+//-----------------------------------------------------------------------------
+//	<MutexImpl::MutexImpl>
+//	Constructor
+//-----------------------------------------------------------------------------
+MutexImpl::MutexImpl
+(
+):
+	m_lockCount( 0 )
+{
+	pthread_mutexattr_t ma;
+
+	pthread_mutexattr_init ( &ma );
+	pthread_mutexattr_settype( &ma, PTHREAD_MUTEX_RECURSIVE );
+	int err = pthread_mutex_init( &m_criticalSection, &ma );
+	if( err != 0 )
+	{
+		fprintf(stderr, "MutexImpl::MutexImpl error %d (%d)\n", errno, err );
+	}
+	pthread_mutexattr_destroy( &ma );
+}
+
+//-----------------------------------------------------------------------------
+//	<MutexImpl::~MutexImpl>
+//	Destructor
+//-----------------------------------------------------------------------------
+MutexImpl::~MutexImpl
+(
+)
+{
+	pthread_mutex_destroy( &m_criticalSection );
+}
+
+//-----------------------------------------------------------------------------
+//	<MutexImpl::Lock>
+//	Lock the mutex
+//-----------------------------------------------------------------------------
+bool MutexImpl::Lock
+(
+	bool const _bWait
+)
+{
+	if( _bWait )
+	{
+		// We will wait for the lock
+		int err = pthread_mutex_lock( &m_criticalSection );
+		if( err == 0 )
+		{
+			++m_lockCount;
+			return true;
+		}
+		fprintf(stderr, "MutexImpl::Lock error %d (%d)\n", errno, err);
+		return false;
+	}
+
+	// Returns immediately, even if the lock was not available.
+	if( pthread_mutex_trylock( &m_criticalSection ) )
+	{
+		return false;
+	}
+	
+	++m_lockCount;
+	return true;
+}
+
+//-----------------------------------------------------------------------------
+//	<MutexImpl::Unlock>
+//	Release our lock on the mutex
+//-----------------------------------------------------------------------------
+void MutexImpl::Unlock
+(
+)
+{
+	if( !m_lockCount )
+	{
+		// No locks - we have a mismatched lock/release pair
+		assert(0);
+	}
+	else
+	{
+		--m_lockCount;
+		int err = pthread_mutex_unlock( &m_criticalSection );
+		if( err != 0 )
+		{
+			fprintf(stderr, "MutexImpl::Unlock error %d (%d)\n", errno, err);
+		}
+	}
+}
+
+//-----------------------------------------------------------------------------
+//	<MutexImpl::IsSignalled>
+//	Test whether the mutex is free
+//-----------------------------------------------------------------------------
+bool MutexImpl::IsSignalled
+(
+)
+{
+	return( 0 == m_lockCount );
+}
+