1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. 3 * All rights reserved. Use is subject to license terms. 4 * 5 * This file is available and licensed under the following license: 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 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 distribution. 16 * - Neither the name of Oracle Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 34 #ifndef LOCK_H 35 #define LOCK_H 36 37 #include "Platform.h" 38 39 #ifdef POSIX 40 #include <pthread.h> 41 #endif //POSIX 42 43 44 class Lock { 45 private: 46 #ifdef WINDOWS 47 CRITICAL_SECTION FCriticalSection; 48 #endif //WINDOWS 49 #ifdef POSIX 50 pthread_mutex_t FMutex; 51 #endif //POSIX 52 53 void Initialize(); 54 55 public: 56 Lock(void); 57 Lock(bool Value); 58 ~Lock(void); 59 60 void Enter(); 61 void Leave(); 62 bool TryEnter(); 63 }; 64 65 #endif //LOCK_H