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