C++ (Cpp) ptr::compare_and_swap_test示例

示例#1

void sys_ppu_thread_once(ppu_thread& ppu, vm::ptr<atomic_be_t<u32>> once_ctrl, vm::ptr<void()> init)
{
	sysPrxForUser.warning("sys_ppu_thread_once(once_ctrl=*0x%x, init=*0x%x)", once_ctrl, init);

	writer_lock lock(g_once_mutex);

	if (once_ctrl->compare_and_swap_test(SYS_PPU_THREAD_ONCE_INIT, SYS_PPU_THREAD_DONE_INIT))
	{
		// call init function using current thread context
		init(ppu);
	}
}

示例#2

文件： sysPrxForUser.cpp 项目： William-Davidoffich/rpcs3

void sys_ppu_thread_once(PPUThread& CPU, vm::ptr<atomic_be_t<u32>> once_ctrl, vm::ptr<void()> init)
{
	sysPrxForUser.Warning("sys_ppu_thread_once(once_ctrl=*0x%x, init=*0x%x)", once_ctrl, init);

	std::lock_guard<std::mutex> lock(g_once_mutex);

	if (once_ctrl->compare_and_swap_test(be_t<u32>::make(SYS_PPU_THREAD_ONCE_INIT), be_t<u32>::make(SYS_PPU_THREAD_DONE_INIT)))
	{
		// call init function using current thread context
		init(CPU);
	}
}