| // 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; |
| } |
