mirror of
https://github.com/love2d/love.git
synced 2026-08-12 08:30:56 +02:00
Sasha Szpakowski
64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/**
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* Copyright (c) 2006-2023 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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// LOVE
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#include "Object.h"
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namespace love
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{
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love::Type Object::type("Object", nullptr);
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Object::Object()
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: count(1)
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{
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}
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Object::Object(const Object & /*other*/)
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: count(1) // Always start with a reference count of 1.
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{
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}
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Object::~Object()
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{
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}
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int Object::getReferenceCount() const
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{
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return count;
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}
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void Object::retain()
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{
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count.fetch_add(1, std::memory_order_relaxed);
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}
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void Object::release()
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{
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// http://www.boost.org/doc/libs/1_56_0/doc/html/atomic/usage_examples.html
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if (count.fetch_sub(1, std::memory_order_release) == 1)
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{
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std::atomic_thread_fence(std::memory_order_acquire);
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delete this;
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}
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}
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} // love
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