| // 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. | |
| // | |
| // This file contains the posix specific functions | |
| // | |
| #include "osinclude.h" | |
| #if !defined(ANGLE_OS_POSIX) | |
| #error Trying to build a posix specific file in a non-posix build. | |
| #endif | |
| // | |
| // Thread Local Storage Operations | |
| // | |
| OS_TLSIndex OS_AllocTLSIndex() | |
| { | |
| pthread_key_t pPoolIndex; | |
| // | |
| // Create global pool key. | |
| // | |
| if ((pthread_key_create(&pPoolIndex, NULL)) != 0) { | |
| assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage"); | |
| return false; | |
| } | |
| else { | |
| return pPoolIndex; | |
| } | |
| } | |
| bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue) | |
| { | |
| if (nIndex == OS_INVALID_TLS_INDEX) { | |
| assert(0 && "OS_SetTLSValue(): Invalid TLS Index"); | |
| return false; | |
| } | |
| if (pthread_setspecific(nIndex, lpvValue) == 0) | |
| return true; | |
| else | |
| return false; | |
| } | |
| bool OS_FreeTLSIndex(OS_TLSIndex nIndex) | |
| { | |
| if (nIndex == OS_INVALID_TLS_INDEX) { | |
| assert(0 && "OS_SetTLSValue(): Invalid TLS Index"); | |
| return false; | |
| } | |
| // | |
| // Delete the global pool key. | |
| // | |
| if (pthread_key_delete(nIndex) == 0) | |
| return true; | |
| else | |
| return false; | |
| } |