author | Pat Downey <patd@symbian.org> |
Wed, 01 Sep 2010 12:23:57 +0100 | |
branch | RCL_3 |
changeset 46 | c74b3d9f6b9e |
parent 45 | bad0cc58d154 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2001-2006 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of the License "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: EAP and WLAN authentication protocols. |
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* |
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*/ |
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/* |
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* %version: 5 % |
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*/ |
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#if !defined( _ABS_EAP_AM_MUTEX_H_ ) |
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#define _ABS_EAP_AM_MUTEX_H_ |
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#include "eap_am_types.h" |
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#include "eap_variable_data.h" |
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#include "eap_am_export.h" |
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class eap_am_mutex_reference_c; |
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// --------------------------------------------- |
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/// This class is interface to mutex. |
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class EAP_EXPORT abs_eap_am_mutex_c |
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{ |
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private: |
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public: |
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EAP_FUNC_IMPORT virtual ~abs_eap_am_mutex_c(); |
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EAP_FUNC_IMPORT abs_eap_am_mutex_c(); |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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/** |
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* This function enters the mutex. Thread will block until the mutex is released |
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* by other owner of the mutex. |
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*/ |
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EAP_FUNC_IMPORT virtual eap_status_e mutex_enter() = 0; |
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/** |
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* This function leaves the mutex. Other blocking thread will continue execution. |
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*/ |
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EAP_FUNC_IMPORT virtual eap_status_e mutex_leave(abs_eap_am_tools_c * const m_am_tools) = 0; |
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/** |
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* The mutex handle must be dublicated in Symbian operating system for each thread. |
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*/ |
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EAP_FUNC_IMPORT virtual abs_eap_am_mutex_c * dublicate_mutex() = 0; |
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/** |
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* This function returns the flag that indicates whether the mutex is reserved. |
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* This is used in debug asserts. Those will check the mutex is really reserved when critical code is entered. |
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*/ |
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EAP_FUNC_IMPORT virtual bool get_is_reserved() const = 0; |
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/** |
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* Returns the validity of the mutex. |
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*/ |
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EAP_FUNC_IMPORT virtual bool get_is_valid() const = 0; |
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#if defined(USE_EAPOL_MUTEX_SEMAPHORE_TRACES) |
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EAP_FUNC_IMPORT virtual eap_am_mutex_reference_c * get_reference() const = 0; |
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EAP_FUNC_IMPORT virtual void set_am_tools(abs_eap_am_tools_c * const tools) = 0; |
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#endif //#if defined(USE_EAPOL_MUTEX_SEMAPHORE_TRACES) |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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}; |
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// --------------------------------------------- |
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/// This class defines a reference counter of a mutex. |
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class EAP_EXPORT eap_am_mutex_reference_c |
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{ |
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private: |
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/// This is the reference count to the mutex. |
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u32_t m_reference_count; |
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/// This flag indicates whether the mutex is reserved. |
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/// This is used in debug asserts. Those will check the mutex is really reserved when critical code is entered. |
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bool m_is_reserved; |
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// On purpose unimplemented constructors. |
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eap_am_mutex_reference_c(eap_am_mutex_reference_c &source); |
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const eap_am_mutex_reference_c & operator=(const eap_am_mutex_reference_c& source); |
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public: |
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EAP_FUNC_IMPORT virtual ~eap_am_mutex_reference_c(); |
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EAP_FUNC_IMPORT eap_am_mutex_reference_c(); |
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/** |
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* This function adds one reference to the mutex. |
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*/ |
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EAP_FUNC_IMPORT void add_reference(); |
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/** |
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* This function removes one reference to the mutex. |
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*/ |
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EAP_FUNC_IMPORT void remove_reference(); |
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/** |
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* This function returns the reference count of the mutex. |
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*/ |
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EAP_FUNC_IMPORT u32_t get_reference_count(); |
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/** |
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* This function sets the flag that indicates whether the mutex is reserved. |
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*/ |
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EAP_FUNC_IMPORT void set_is_reserved(const bool is_reserved); |
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/** |
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* This function returns the flag that indicates whether the mutex is reserved. |
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* This is used in debug asserts. Those will check the mutex is really reserved when critical code is entered. |
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*/ |
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EAP_FUNC_IMPORT bool get_is_reserved(); |
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}; |
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// --------------------------------------------- |
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/// This class is base of the mutex. |
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class EAP_EXPORT eap_am_mutex_base_c |
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{ |
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private: |
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eap_am_mutex_reference_c * m_reference; |
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bool m_is_valid; |
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// On purpose unimplemented constructors. |
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eap_am_mutex_base_c(eap_am_mutex_base_c &source); |
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const eap_am_mutex_base_c & operator=(const eap_am_mutex_base_c& source); |
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public: |
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EAP_FUNC_IMPORT virtual ~eap_am_mutex_base_c(); |
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EAP_FUNC_IMPORT eap_am_mutex_base_c(); |
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EAP_FUNC_IMPORT eap_am_mutex_base_c(const eap_am_mutex_base_c * const owner); |
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/** |
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* This function returns pointer to the reference counter object of the mutex. |
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*/ |
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EAP_FUNC_IMPORT eap_am_mutex_reference_c * get_reference() const; |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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/** |
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* This function returns the flag that indicates whether the mutex is reserved. |
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* This is used in debug asserts. Those will check the mutex is really reserved when critical code is entered. |
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*/ |
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EAP_FUNC_IMPORT bool get_is_reserved() const; |
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/** |
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* Returns the validity of the mutex. |
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*/ |
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EAP_FUNC_IMPORT bool get_is_valid() const; |
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// - - - - - - - - - - - - - - - - - - - - - - - - |
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}; |
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// --------------------------------------------- |
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#endif //#if !defined( _ABS_EAP_AM_MUTEX_H_ ) |
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// End. |