asio_handle_test, C++ (vc++)

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//N:\3rd_sw\boost\boost_1_54_0\boost\asio\windows\object_handle.hpp
#include <boost/asio.hpp>
#include <windows.h>
    
#define CHECKED_ASSERT(x) if(!(x)) {printf("Error " #x);}

void main()
{
	boost::asio::io_service service;
	HANDLE handle = CreateEvent(0, TRUE, FALSE, 0);
	CHECKED_ASSERT(handle);
	boost::asio::windows::object_handle objhandle(service, handle);
	int nCalled = 0;

{
		SetEvent(handle);
		CHECKED_ASSERT(WAIT_OBJECT_0 == WaitForSingleObject(handle, 0));
		objhandle.async_wait([&nCalled](boost::system::error_code const &ec){
			CHECKED_ASSERT(!ec);
			nCalled++;
		});
		service.run();
		CHECKED_ASSERT(nCalled == 1);
	}

// trigger again
	// TODO: Why cannot be triggered anymore??
	{
		ResetEvent(handle);
		CHECKED_ASSERT(WAIT_TIMEOUT== WaitForSingleObject(handle, 0));
		SetEvent(handle);
		CHECKED_ASSERT(WAIT_OBJECT_0 == WaitForSingleObject(handle, 0));
		objhandle.async_wait([&nCalled](boost::system::error_code const &ec){
			CHECKED_ASSERT(!ec);
			nCalled++;
		});
		service.run();
		service.run();
		service.run();
		CHECKED_ASSERT(nCalled == 2);
	}
}

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Compilation time: 3,2 sec, absolute running time: 0,21 sec, absolute service time: 3,43 sec