|  | // Copyright 2016 The SwiftShader Authors. All Rights Reserved. | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //    http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  |  | 
|  | #ifndef __OSINCLUDE_H | 
|  | #define __OSINCLUDE_H | 
|  |  | 
|  | // | 
|  | // This file contains contains os-specific datatypes and | 
|  | // declares any os-specific functions. | 
|  | // | 
|  |  | 
|  | #if defined(_WIN32) || defined(_WIN64) | 
|  | #define ANGLE_OS_WIN | 
|  | #elif defined(__APPLE__) || defined(__linux__) || \ | 
|  | defined(__FreeBSD__) || defined(__OpenBSD__) || \ | 
|  | defined(__sun) || defined(ANDROID) || \ | 
|  | defined(__GLIBC__) || defined(__GNU__) || \ | 
|  | defined(__QNX__) || defined(__Fuchsia__) | 
|  | #define ANGLE_OS_POSIX | 
|  | #else | 
|  | #error Unsupported platform. | 
|  | #endif | 
|  |  | 
|  | #if defined(ANGLE_OS_WIN) | 
|  | #define STRICT | 
|  | #define VC_EXTRALEAN 1 | 
|  | #include <windows.h> | 
|  | #elif defined(ANGLE_OS_POSIX) | 
|  | #include <pthread.h> | 
|  | #include <semaphore.h> | 
|  | #include <errno.h> | 
|  | #endif  // ANGLE_OS_WIN | 
|  |  | 
|  |  | 
|  | #include "debug.h" | 
|  |  | 
|  | // | 
|  | // Thread Local Storage Operations | 
|  | // | 
|  | #if defined(ANGLE_OS_WIN) | 
|  | typedef DWORD OS_TLSIndex; | 
|  | #define OS_INVALID_TLS_INDEX (TLS_OUT_OF_INDEXES) | 
|  | #elif defined(ANGLE_OS_POSIX) | 
|  | typedef pthread_key_t OS_TLSIndex; | 
|  | #define OS_INVALID_TLS_INDEX (static_cast<OS_TLSIndex>(-1)) | 
|  | #endif  // ANGLE_OS_WIN | 
|  |  | 
|  | OS_TLSIndex OS_AllocTLSIndex(); | 
|  | bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue); | 
|  | bool OS_FreeTLSIndex(OS_TLSIndex nIndex); | 
|  |  | 
|  | inline void* OS_GetTLSValue(OS_TLSIndex nIndex) | 
|  | { | 
|  | ASSERT(nIndex != OS_INVALID_TLS_INDEX); | 
|  | #if defined(ANGLE_OS_WIN) | 
|  | return TlsGetValue(nIndex); | 
|  | #elif defined(ANGLE_OS_POSIX) | 
|  | return pthread_getspecific(nIndex); | 
|  | #endif  // ANGLE_OS_WIN | 
|  | } | 
|  |  | 
|  | #endif // __OSINCLUDE_H |