mirror of
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47 lines
2.8 KiB
C++
47 lines
2.8 KiB
C++
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/*************************************************************************/
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/* safe_refcount.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#if defined(DEBUG_ENABLED) && !defined(NO_THREADS)
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#include "safe_refcount.h"
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#include "core/error/error_macros.h"
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// On C++14 we don't have std::atomic::is_always_lockfree, so this is the best we can do
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void check_lockless_atomics() {
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// Doing the check for the types we actually care about
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if (!std::atomic<uint32_t>{}.is_lock_free() || !std::atomic<uint64_t>{}.is_lock_free() || !std::atomic_bool{}.is_lock_free()) {
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WARN_PRINT("Your compiler doesn't seem to support lockless atomics. Performance will be degraded. Please consider upgrading to a different or newer compiler.");
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}
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}
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#endif
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