--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hti/PC_Tools/DataGateway/SRC/sync.cpp Wed Oct 13 16:17:58 2010 +0300
@@ -0,0 +1,137 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+* This file contains implementation of synchronization objects. These are Mutex, Semaphore and
+* Event classes.
+*/
+
+// INCLUDES
+#include "sync.h"
+
+//**********************************************************************************
+// Class Mutex
+//
+// This class implements a Mutex using Windows API synchronization mechanism
+//**********************************************************************************
+
+Mutex::Mutex(void)
+{
+ InitializeCriticalSection(&m_Lock);
+}
+
+Mutex::~Mutex(void)
+{
+}
+
+void Mutex::Lock(void)
+{
+ EnterCriticalSection(&m_Lock);
+}
+
+void Mutex::Unlock(void)
+{
+ LeaveCriticalSection(&m_Lock);
+}
+
+//**********************************************************************************
+// Class Semaphore
+//
+// This class encapsulates Windows API Semaphore functionality
+//**********************************************************************************
+
+Semaphore::Semaphore(void)
+{
+ m_Semaphore = CreateSemaphore(NULL, 0, 0x7FFFFFF, NULL);
+}
+
+Semaphore::Semaphore(int available)
+{
+ m_Semaphore = CreateSemaphore(NULL, available, 0x7FFFFFF, NULL);
+}
+
+Semaphore::~Semaphore(void)
+{
+ CloseHandle(m_Semaphore);
+}
+
+DWORD Semaphore::Wait(DWORD timeout)
+{
+ DWORD dwResult = WaitForSingleObject(m_Semaphore, timeout);
+ switch (dwResult)
+ {
+ case WAIT_OBJECT_0:
+ return 0;
+ case WAIT_TIMEOUT:
+ return WAIT_TIMEOUT;
+ default:
+ return 1;
+ }
+}
+
+void Semaphore::Notify(void)
+{
+ ReleaseSemaphore(m_Semaphore, 1, NULL);
+}
+
+void Semaphore::Notify(int how_many)
+{
+ ReleaseSemaphore(m_Semaphore, how_many, NULL);
+}
+
+//**********************************************************************************
+// Class Event
+//
+// This class encapsulates Windows API Event functionality
+//**********************************************************************************
+
+Event::Event(bool manual_reset)
+{
+ m_Event = CreateEvent(NULL, manual_reset, false, NULL);
+}
+
+Event::~Event(void)
+{
+ CloseHandle(m_Event);
+}
+
+void Event::Set(void)
+{
+ SetEvent(m_Event);
+}
+
+void Event::Reset(void)
+{
+ ResetEvent(m_Event);
+}
+
+DWORD Event::Wait(DWORD timeout)
+{
+ DWORD dwResult = WaitForSingleObject(m_Event, timeout);
+ switch (dwResult)
+ {
+ case WAIT_OBJECT_0:
+ return 0;
+ case WAIT_TIMEOUT:
+ return WAIT_TIMEOUT;
+ default:
+ return 1;
+ }
+}
+
+HANDLE Event::EventHandle() const
+{
+ return m_Event;
+}
+
+// End of the file
\ No newline at end of file