1 #ifndef _DESEMAPHORE_H 2 #define _DESEMAPHORE_H 3 /*------------------------------------------------------------------------- 4 * drawElements Thread Library 5 * --------------------------- 6 * 7 * Copyright 2014 The Android Open Source Project 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); 10 * you may not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 *//*! 22 * \file 23 * \brief Semaphore class. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "deDefs.h" 27 28 DE_BEGIN_EXTERN_C 29 30 /* Semaphore type. */ 31 typedef deUintptr deSemaphore; 32 33 /*--------------------------------------------------------------------*//*! 34 * \brief Semaphore attributes. 35 *//*--------------------------------------------------------------------*/ 36 typedef struct deSemaphoreAttributes_s 37 { 38 deUint32 flags; 39 } deSemaphoreAttributes; 40 41 deSemaphore deSemaphore_create (int initialValue, const deSemaphoreAttributes* attributes); 42 void deSemaphore_destroy (deSemaphore semaphore); 43 44 void deSemaphore_increment (deSemaphore semaphore); 45 void deSemaphore_decrement (deSemaphore semaphore); 46 47 deBool deSemaphore_tryDecrement (deSemaphore semaphore); 48 49 DE_END_EXTERN_C 50 51 #endif /* _DESEMAPHORE_H */ 52