1 /*! 2 * \copy 3 * Copyright (c) 2009-2015, Cisco Systems 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 * 31 * 32 * \file WelsLock.h 33 * 34 * \brief class wrapping for locks 35 * 36 * \date 5/09/2012 Created 37 * 38 ************************************************************************************* 39 */ 40 41 #ifndef _WELS_LOCK_H_ 42 #define _WELS_LOCK_H_ 43 44 #include "macros.h" 45 #include "typedefs.h" 46 #include "WelsThreadLib.h" 47 48 namespace WelsCommon { 49 50 class CWelsLock { 51 DISALLOW_COPY_AND_ASSIGN (CWelsLock); 52 public: CWelsLock()53 CWelsLock() { 54 WelsMutexInit (&m_cMutex); 55 } 56 ~CWelsLock()57 virtual ~CWelsLock() { 58 WelsMutexDestroy (&m_cMutex); 59 } 60 Lock()61 WELS_THREAD_ERROR_CODE Lock() { 62 return WelsMutexLock (&m_cMutex); 63 } 64 Unlock()65 WELS_THREAD_ERROR_CODE Unlock() { 66 return WelsMutexUnlock (&m_cMutex); 67 } 68 69 private: 70 WELS_MUTEX m_cMutex; 71 }; 72 73 class CWelsAutoLock { 74 DISALLOW_COPY_AND_ASSIGN (CWelsAutoLock); 75 public: CWelsAutoLock(CWelsLock & cLock)76 CWelsAutoLock (CWelsLock& cLock) : m_cLock (cLock) { 77 m_cLock.Lock(); 78 } 79 ~CWelsAutoLock()80 virtual ~CWelsAutoLock() { 81 m_cLock.Unlock(); 82 } 83 84 private: 85 CWelsLock& m_cLock; 86 }; 87 88 } 89 90 #endif 91 92 93 94 95 96 97 98