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 // 16 // This file contains the posix specific functions 17 // 18 #include "osinclude.h" 19 20 #if !defined(ANGLE_OS_POSIX) 21 #error Trying to build a posix specific file in a non-posix build. 22 #endif 23 24 // 25 // Thread Local Storage Operations 26 // 27 OS_TLSIndex OS_AllocTLSIndex() 28 { 29 pthread_key_t pPoolIndex; 30 31 // 32 // Create global pool key. 33 // 34 if ((pthread_key_create(&pPoolIndex, NULL)) != 0) { 35 assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage"); 36 return false; 37 } 38 else { 39 return pPoolIndex; 40 } 41 } 42 43 44 bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue) 45 { 46 if (nIndex == OS_INVALID_TLS_INDEX) { 47 assert(0 && "OS_SetTLSValue(): Invalid TLS Index"); 48 return false; 49 } 50 51 if (pthread_setspecific(nIndex, lpvValue) == 0) 52 return true; 53 else 54 return false; 55 } 56 57 58 bool OS_FreeTLSIndex(OS_TLSIndex nIndex) 59 { 60 if (nIndex == OS_INVALID_TLS_INDEX) { 61 assert(0 && "OS_SetTLSValue(): Invalid TLS Index"); 62 return false; 63 } 64 65 // 66 // Delete the global pool key. 67 // 68 if (pthread_key_delete(nIndex) == 0) 69 return true; 70 else 71 return false; 72 } 73
