michael@0: //
michael@0: // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: //
michael@0: // This file contains the posix specific functions
michael@0: //
michael@0: #include "compiler/osinclude.h"
michael@0: 
michael@0: #if !defined(ANGLE_OS_POSIX)
michael@0: #error Trying to build a posix specific file in a non-posix build.
michael@0: #endif
michael@0: 
michael@0: //
michael@0: // Thread Local Storage Operations
michael@0: //
michael@0: OS_TLSIndex OS_AllocTLSIndex()
michael@0: {
michael@0:     pthread_key_t pPoolIndex;
michael@0: 
michael@0:     //
michael@0:     // Create global pool key.
michael@0:     //
michael@0:     if ((pthread_key_create(&pPoolIndex, NULL)) != 0) {
michael@0:         assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage");
michael@0:         return false;
michael@0:     }
michael@0:     else {
michael@0:         return pPoolIndex;
michael@0:     }
michael@0: }
michael@0: 
michael@0: 
michael@0: bool OS_SetTLSValue(OS_TLSIndex nIndex, void *lpvValue)
michael@0: {
michael@0:     if (nIndex == OS_INVALID_TLS_INDEX) {
michael@0:         assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     if (pthread_setspecific(nIndex, lpvValue) == 0)
michael@0:         return true;
michael@0:     else
michael@0:         return false;
michael@0: }
michael@0: 
michael@0: 
michael@0: bool OS_FreeTLSIndex(OS_TLSIndex nIndex)
michael@0: {
michael@0:     if (nIndex == OS_INVALID_TLS_INDEX) {
michael@0:         assert(0 && "OS_SetTLSValue(): Invalid TLS Index");
michael@0:         return false;
michael@0:     }
michael@0: 
michael@0:     //
michael@0:     // Delete the global pool key.
michael@0:     //
michael@0:     if (pthread_key_delete(nIndex) == 0)
michael@0:         return true;
michael@0:     else
michael@0:         return false;
michael@0: }