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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_WIN_COM_INIT_UTIL_H_
#define BASE_WIN_COM_INIT_UTIL_H_
#include "base/base_export.h"
#include "base/logging.h"
namespace base {
namespace win {
enum class ComApartmentType {
// Uninitialized or has an unrecognized apartment type.
NONE,
// Single-threaded Apartment.
STA,
// Multi-threaded Apartment.
MTA,
};
#if DCHECK_IS_ON()
// DCHECKs if COM is not initialized on this thread as an STA or MTA.
// |message| is optional and is used for the DCHECK if specified.
BASE_EXPORT void AssertComInitialized(const char* message = nullptr);
// DCHECKs if |apartment_type| is not the same as the current thread's apartment
// type.
BASE_EXPORT void AssertComApartmentType(ComApartmentType apartment_type);
#else // DCHECK_IS_ON()
inline void AssertComInitialized() {}
inline void AssertComApartmentType(ComApartmentType apartment_type) {}
#endif // DCHECK_IS_ON()
} // namespace win
} // namespace base
#endif // BASE_WIN_COM_INIT_UTIL_H_
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