1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef __OSINCLUDE_H 16 #define __OSINCLUDE_H 17 18 // 19 // This file contains contains os-specific datatypes and 20 // declares any os-specific functions. 21 // 22 23 #if defined(_WIN32) || defined(_WIN64) 24 #define ANGLE_OS_WIN 25 #elif defined(__APPLE__) || defined(__linux__) || \ 26 defined(__FreeBSD__) || defined(__OpenBSD__) || \ 27 defined(__sun) || defined(ANDROID) || \ 28 defined(__GLIBC__) || defined(__GNU__) || \ 29 defined(__QNX__) 30 #define ANGLE_OS_POSIX 31 #else 32 #error Unsupported platform. 33 #endif 34 35 #if defined(ANGLE_OS_WIN) 36 #define STRICT 37 #define VC_EXTRALEAN 1 38 #include <windows.h> 39 #elif defined(ANGLE_OS_POSIX) 40 #include <pthread.h> 41 #include <semaphore.h> 42 #include <errno.h> 43 #endif // ANGLE_OS_WIN 44 45 46 #include "debug.h" 47 48 // 49 // Thread Local Storage Operations 50 // 51 #if defined(ANGLE_OS_WIN) 52 typedef DWORD OS_TLSIndex; 53 #define OS_INVALID_TLS_INDEX (TLS_OUT_OF_INDEXES) 54 #elif defined(ANGLE_OS_POSIX) 55 typedef pthread_key_t OS_TLSIndex; 56 #define OS_INVALID_TLS_INDEX (static_cast<OS_TLSIndex>(-1)) 57 #endif // ANGLE_OS_WIN 58 59 OS_TLSIndex OS_AllocTLSIndex(); 60 bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue); 61 bool OS_FreeTLSIndex(OS_TLSIndex nIndex); 62 OS_GetTLSValue(OS_TLSIndex nIndex)63inline void* OS_GetTLSValue(OS_TLSIndex nIndex) 64 { 65 ASSERT(nIndex != OS_INVALID_TLS_INDEX); 66 #if defined(ANGLE_OS_WIN) 67 return TlsGetValue(nIndex); 68 #elif defined(ANGLE_OS_POSIX) 69 return pthread_getspecific(nIndex); 70 #endif // ANGLE_OS_WIN 71 } 72 73 #endif // __OSINCLUDE_H 74