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: #include "compiler/osinclude.h"
michael@0: //
michael@0: // This file contains contains the window's specific functions
michael@0: //
michael@0: 
michael@0: #if !defined(ANGLE_OS_WIN)
michael@0: #error Trying to build a windows specific file in a non windows build.
michael@0: #endif
michael@0: 
michael@0: 
michael@0: //
michael@0: // Thread Local Storage Operations
michael@0: //
michael@0: OS_TLSIndex OS_AllocTLSIndex()
michael@0: {
michael@0: 	DWORD dwIndex = TlsAlloc();
michael@0: 	if (dwIndex == TLS_OUT_OF_INDEXES) {
michael@0: 		assert(0 && "OS_AllocTLSIndex(): Unable to allocate Thread Local Storage");
michael@0: 		return OS_INVALID_TLS_INDEX;
michael@0: 	}
michael@0: 
michael@0: 	return dwIndex;
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 (TlsSetValue(nIndex, lpvValue))
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: 	if (TlsFree(nIndex))
michael@0: 		return true;
michael@0: 	else
michael@0: 		return false;
michael@0: }