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 #include "osinclude.h" 16 // 17 // This file contains contains the window's specific functions 18 // 19 20 #if !defined(ANGLE_OS_WIN) 21 #error Trying to build a windows specific file in a non windows build. 22 #endif 23 24 25 // 26 // Thread Local Storage Operations 27 // 28 OS_TLSIndex OS_AllocTLSIndex() 29 { 30 DWORD dwIndex = TlsAlloc(); 31 if (dwIndex == TLS_OUT_OF_INDEXES) { 32 assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage"); 33 return OS_INVALID_TLS_INDEX; 34 } 35 36 return dwIndex; 37 } 38 39 40 bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue) 41 { 42 if (nIndex == OS_INVALID_TLS_INDEX) { 43 assert(0 && "OS_SetTLSValue(): Invalid TLS Index"); 44 return false; 45 } 46 47 if (TlsSetValue(nIndex, lpvValue)) 48 return true; 49 else 50 return false; 51 } 52 53 54 bool OS_FreeTLSIndex(OS_TLSIndex nIndex) 55 { 56 if (nIndex == OS_INVALID_TLS_INDEX) { 57 assert(0 && "OS_SetTLSValue(): Invalid TLS Index"); 58 return false; 59 } 60 61 if (TlsFree(nIndex)) 62 return true; 63 else 64 return false; 65 } 66
