1*c284bb0fSMatt Madia /* 2*c284bb0fSMatt Madia * Copyright (c) 1999-2000, Eric Moon. 3*c284bb0fSMatt Madia * All rights reserved. 4*c284bb0fSMatt Madia * 5*c284bb0fSMatt Madia * Redistribution and use in source and binary forms, with or without 6*c284bb0fSMatt Madia * modification, are permitted provided that the following conditions 7*c284bb0fSMatt Madia * are met: 8*c284bb0fSMatt Madia * 9*c284bb0fSMatt Madia * 1. Redistributions of source code must retain the above copyright 10*c284bb0fSMatt Madia * notice, this list of conditions, and the following disclaimer. 11*c284bb0fSMatt Madia * 12*c284bb0fSMatt Madia * 2. Redistributions in binary form must reproduce the above copyright 13*c284bb0fSMatt Madia * notice, this list of conditions, and the following disclaimer in the 14*c284bb0fSMatt Madia * documentation and/or other materials provided with the distribution. 15*c284bb0fSMatt Madia * 16*c284bb0fSMatt Madia * 3. The name of the author may not be used to endorse or promote products 17*c284bb0fSMatt Madia * derived from this software without specific prior written permission. 18*c284bb0fSMatt Madia * 19*c284bb0fSMatt Madia * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR 20*c284bb0fSMatt Madia * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21*c284bb0fSMatt Madia * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*c284bb0fSMatt Madia * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 23*c284bb0fSMatt Madia * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24*c284bb0fSMatt Madia * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25*c284bb0fSMatt Madia * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26*c284bb0fSMatt Madia * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 27*c284bb0fSMatt Madia * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28*c284bb0fSMatt Madia * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29*c284bb0fSMatt Madia */ 30*c284bb0fSMatt Madia 31*c284bb0fSMatt Madia 32a0795c6fSMarcus Overhagen // SimpleLockable.h 33a0795c6fSMarcus Overhagen // * PURPOSE 34a0795c6fSMarcus Overhagen // Basic BLocker implementation of ILockable. 35a0795c6fSMarcus Overhagen // 36a0795c6fSMarcus Overhagen // * HISTORY 37a0795c6fSMarcus Overhagen // e.moon 7jul99 Cortex rework. 38a0795c6fSMarcus Overhagen // e.moon 13apr99 Begun (beDub) 39a0795c6fSMarcus Overhagen 40a0795c6fSMarcus Overhagen #ifndef __SimpleLockable_H__ 41a0795c6fSMarcus Overhagen #define __SimpleLockable_H__ 42a0795c6fSMarcus Overhagen 43a0795c6fSMarcus Overhagen #include "ILockable.h" 44a0795c6fSMarcus Overhagen #include <Locker.h> 45a0795c6fSMarcus Overhagen 46a0795c6fSMarcus Overhagen #include "cortex_defs.h" 47a0795c6fSMarcus Overhagen __BEGIN_CORTEX_NAMESPACE 48a0795c6fSMarcus Overhagen 49a0795c6fSMarcus Overhagen class SimpleLockable : 50a0795c6fSMarcus Overhagen public ILockable { 51a0795c6fSMarcus Overhagen 52a0795c6fSMarcus Overhagen public: // *** ctor ~SimpleLockable()53a0795c6fSMarcus Overhagen virtual ~SimpleLockable() {} SimpleLockable()54a0795c6fSMarcus Overhagen SimpleLockable() {} SimpleLockable(const char * name)55a0795c6fSMarcus Overhagen SimpleLockable(const char* name) : m_lock(name) {} 56a0795c6fSMarcus Overhagen 57a0795c6fSMarcus Overhagen public: // *** ILockable impl. 58a0795c6fSMarcus Overhagen virtual bool lock( 59a0795c6fSMarcus Overhagen lock_t type=WRITE, 60a0795c6fSMarcus Overhagen bigtime_t timeout=B_INFINITE_TIMEOUT) { 61a0795c6fSMarcus Overhagen 62a0795c6fSMarcus Overhagen return m_lock.LockWithTimeout(timeout) == B_OK; 63a0795c6fSMarcus Overhagen } 64a0795c6fSMarcus Overhagen 65a0795c6fSMarcus Overhagen virtual bool unlock( 66a0795c6fSMarcus Overhagen lock_t type=WRITE) { 67a0795c6fSMarcus Overhagen m_lock.Unlock(); 68a0795c6fSMarcus Overhagen return true; 69a0795c6fSMarcus Overhagen } 70a0795c6fSMarcus Overhagen 71a0795c6fSMarcus Overhagen virtual bool isLocked( 72a0795c6fSMarcus Overhagen lock_t type=WRITE) const { 73a0795c6fSMarcus Overhagen return m_lock.IsLocked(); 74a0795c6fSMarcus Overhagen } 75a0795c6fSMarcus Overhagen 76a0795c6fSMarcus Overhagen protected: // members 77a0795c6fSMarcus Overhagen mutable BLocker m_lock; 78a0795c6fSMarcus Overhagen }; 79a0795c6fSMarcus Overhagen 80a0795c6fSMarcus Overhagen __END_CORTEX_NAMESPACE 81a0795c6fSMarcus Overhagen #endif /*__SimpleLockable_H__*/ 82