eapol/eapol_framework/eapol_symbian/am/common/symbian/eap_am_mutex_symbian.cpp
changeset 0 c8830336c852
child 2 1c7bc153c08e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eapol/eapol_framework/eapol_symbian/am/common/symbian/eap_am_mutex_symbian.cpp	Thu Dec 17 08:47:43 2009 +0200
@@ -0,0 +1,172 @@
+/*
+* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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:  EAP and WLAN authentication protocols.
+*
+*/
+
+
+// This is enumeration of EAPOL source code.
+#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+	#undef EAP_FILE_NUMBER_ENUM
+	#define EAP_FILE_NUMBER_ENUM 602 
+	#undef EAP_FILE_NUMBER_DATE 
+	#define EAP_FILE_NUMBER_DATE 1127594498 
+#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
+
+
+
+// INCLUDES
+#include "eap_am_memory.h"
+#include "eap_am_mutex_symbian.h"
+#include "abs_eap_am_mutex.h"
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_am_mutex_symbian_c::~eap_am_mutex_symbian_c()
+{
+	m_mutex.Close();
+	m_owner_thread.Close();
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_am_mutex_symbian_c::eap_am_mutex_symbian_c()
+	: m_is_valid(false)
+{
+	if (eap_am_mutex_base_c::get_is_valid() == false)
+	{
+		return;
+	}
+
+	m_mutex.CreateLocal();
+
+	RThread thisThread; // Generic handle meaning "the current thread"
+
+	TInt err = thisThread.Duplicate(thisThread);    // a specific handle
+	if (err == KErrNone)
+	{
+		m_is_valid = true;
+	}
+
+	m_owner_thread = thisThread;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_am_mutex_symbian_c::eap_am_mutex_symbian_c(const eap_am_mutex_symbian_c * const owner)
+	: eap_am_mutex_base_c(owner)
+	, m_is_valid(false)
+{
+	if (eap_am_mutex_base_c::get_is_valid() == false)
+	{
+		return;
+	}
+
+	m_mutex = *(owner->get_mutex());
+	m_mutex.Duplicate(*(owner->get_owner_thread()));
+
+	RThread thisThread; // Generic handle meaning "the current thread"  
+
+	TInt err = thisThread.Duplicate(thisThread);    // a specific handle 
+	if (err == KErrNone)
+	{
+		m_is_valid = true;
+	}
+
+	m_owner_thread = thisThread;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT const RMutex * eap_am_mutex_symbian_c::get_mutex() const
+{
+	return &m_mutex;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT const RThread * eap_am_mutex_symbian_c::get_owner_thread() const
+{
+	return &m_owner_thread;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_am_mutex_symbian_c::mutex_enter()
+{
+#if !defined(NO_EAP_MUTEX)
+	m_mutex.Wait();
+	get_reference()->set_is_reserved(true);
+#endif //#if !defined(NO_EAP_MUTEX)
+
+	return eap_status_ok;
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT eap_status_e eap_am_mutex_symbian_c::mutex_leave(abs_eap_am_tools_c * const m_am_tools)
+{
+	EAP_UNREFERENCED_PARAMETER(m_am_tools);
+
+#if !defined(NO_EAP_MUTEX)
+	EAP_ASSERT(get_reference()->get_is_reserved() == true);
+
+	get_reference()->set_is_reserved(false);
+	m_mutex.Signal();
+#endif //#if !defined(NO_EAP_MUTEX)
+
+	return eap_status_ok;
+}
+
+//--------------------------------------------------
+
+//
+// The mutex handle must be dublicated in Symbian operating system for each thread.
+EAP_FUNC_EXPORT abs_eap_am_mutex_c * eap_am_mutex_symbian_c::dublicate_mutex()
+{
+	eap_am_mutex_symbian_c *dublicate = new eap_am_mutex_symbian_c(this);
+	return dublicate;
+}
+
+//--------------------------------------------------
+
+//
+// This is used in debug asserts. Those will check the mutex is really reserved when critical code is entered.
+EAP_FUNC_EXPORT bool eap_am_mutex_symbian_c::get_is_reserved() const
+{
+	// In Symbian we need this object to test reference flag,
+	// because each thread has own duplicated mutex object.
+	return get_reference()->get_is_reserved();
+}
+
+//--------------------------------------------------
+
+//
+EAP_FUNC_EXPORT bool eap_am_mutex_symbian_c::get_is_valid() const
+{
+	return m_is_valid;
+}
+
+//--------------------------------------------------
+
+
+
+// End of file