void* thread_func_1()
{
	var loop = new MainLoop();
	async_func_1();
	loop.run();
	return null;
}

void* thread_func_2()
{
	var loop = new MainLoop();
	async_func_2();
	loop.run();
	return null;
}

async void async_func_1()
{
	while ( true )
	{
	    message( "thread %d", (int)Linux.gettid() );
	    Timeout.add_seconds( 1, async_func_1.callback );
	    yield;
	}
}

async void async_func_2()
{
	while ( true )
	{
	    message( "thread %d", (int)Linux.gettid() );
	    Timeout.add_seconds( 1, async_func_2.callback );
	    yield;
	}
}

void main()
{
	Thread.create( thread_func_1, false );
	Thread.create( thread_func_2, false );
	while ( true )
	{
		message( "main thread %d", (int)Linux.gettid() );
		Thread.usleep( 1000 * 1000 * 2 );
	}
}