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 "InitializeParseContext.h" 16 17 #include "osinclude.h" 18 19 OS_TLSIndex GlobalParseContextIndex = OS_INVALID_TLS_INDEX; 20 InitializeParseContextIndex()21bool InitializeParseContextIndex() 22 { 23 assert(GlobalParseContextIndex == OS_INVALID_TLS_INDEX); 24 25 GlobalParseContextIndex = OS_AllocTLSIndex(); 26 return GlobalParseContextIndex != OS_INVALID_TLS_INDEX; 27 } 28 FreeParseContextIndex()29void FreeParseContextIndex() 30 { 31 assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX); 32 33 OS_FreeTLSIndex(GlobalParseContextIndex); 34 GlobalParseContextIndex = OS_INVALID_TLS_INDEX; 35 } 36 SetGlobalParseContext(TParseContext * context)37void SetGlobalParseContext(TParseContext* context) 38 { 39 assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX); 40 OS_SetTLSValue(GlobalParseContextIndex, context); 41 } 42 GetGlobalParseContext()43TParseContext* GetGlobalParseContext() 44 { 45 assert(GlobalParseContextIndex != OS_INVALID_TLS_INDEX); 46 return static_cast<TParseContext*>(OS_GetTLSValue(GlobalParseContextIndex)); 47 } 48 49