BLI_mutex.hh

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/* SPDX-FileCopyrightText: 2025 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
/* Always include that so that `BLI_mutex.hh` can be used as replacement to including <mutex>.
 * Otherwise it might be confusing if both are included explicitly in a file. That also makes the
 * difference between compiling with and without TBB smaller. */
#include <mutex>  // IWYU pragma: export
 
#ifdef WITH_TBB
#  include <tbb/mutex.h>
#endif
 
namespace blender {
 
#ifdef WITH_TBB

using Mutex = tbb::mutex;
 
/* If this is not true anymore at some point, the comment above needs to be updated. */
static_assert(sizeof(Mutex) == 1);
 
#else

using Mutex = std::mutex;
 
#endif
 
}  // namespace blender