C++ (Cpp) ptr::compare_exchange_weak примеры использования

Пример #1

Файл: sys_ppu_thread.cpp Проект: hminth/rpcs3

void sys_ppu_thread_once(vm::ptr<std::atomic<be_t<u32>>> once_ctrl, u32 entry)
{
	sys_ppu_thread.Warning("sys_ppu_thread_once(once_ctrl_addr=0x%x, entry=0x%x)", once_ctrl.addr(), entry);

	be_t<u32> old = be_t<u32>::MakeFromBE(se32(SYS_PPU_THREAD_ONCE_INIT));
	if (once_ctrl->compare_exchange_weak(old, be_t<u32>::MakeFromBE(se32(SYS_PPU_THREAD_DONE_INIT))))
	{
		GetCurrentPPUThread().FastCall2(Memory.Read32(entry), Memory.Read32(entry + 4));
	}
}

Пример #2

Файл: sys_ppu_thread.cpp Проект: Aishou/rpcs3

void sys_ppu_thread_once(PPUThread& CPU, vm::ptr<std::atomic<be_t<u32>>> once_ctrl, vm::ptr<void(*)()> init)
{
	sys_ppu_thread.Warning("sys_ppu_thread_once(once_ctrl_addr=0x%x, init_addr=0x%x)", once_ctrl.addr(), init.addr());

	be_t<u32> old = be_t<u32>::MakeFromBE(se32(SYS_PPU_THREAD_ONCE_INIT));
	if (once_ctrl->compare_exchange_weak(old, be_t<u32>::MakeFromBE(se32(SYS_PPU_THREAD_DONE_INIT))))
	{
		init.call(CPU);
	}
}