1 #ifndef _DETHREAD_H 2 #define _DETHREAD_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 Thread management. 24 *//*--------------------------------------------------------------------*/ 25 26 #include "deDefs.h" 27 28 DE_BEGIN_EXTERN_C 29 30 /* Basic types associated with threads. */ 31 typedef uintptr_t deThread; 32 typedef void (*deThreadFunc)(void *arg); 33 34 /*--------------------------------------------------------------------*//*! 35 * \brief Thread scheduling priority. 36 *//*--------------------------------------------------------------------*/ 37 typedef enum deThreadPriority_e 38 { 39 DE_THREADPRIORITY_LOWEST = 0, 40 DE_THREADPRIORITY_LOW, 41 DE_THREADPRIORITY_NORMAL, 42 DE_THREADPRIORITY_HIGH, 43 DE_THREADPRIORITY_HIGHEST, 44 45 DE_THREADPRIORITY_LAST 46 } deThreadPriority; 47 48 /*--------------------------------------------------------------------*//*! 49 * \brief Thread attributes. 50 *//*--------------------------------------------------------------------*/ 51 typedef struct deThreadAttributes_s 52 { 53 deThreadPriority priority; 54 } deThreadAttributes; 55 56 void deSleep(uint32_t milliseconds); 57 void deYield(void); 58 59 deThread deThread_create(deThreadFunc func, void *arg, const deThreadAttributes *attributes); 60 bool deThread_join(deThread thread); 61 void deThread_destroy(deThread thread); 62 63 uint32_t deGetNumTotalPhysicalCores(void); 64 uint32_t deGetNumTotalLogicalCores(void); 65 uint32_t deGetNumAvailableLogicalCores(void); 66 67 DE_END_EXTERN_C 68 69 #endif /* _DETHREAD_H */ 70