Sleep              19 thread_win32.c #define native_thread_yield() Sleep(0)
Sleep             489 thread_win32.c 	Sleep(0);
Sleep            2318 win32/win32.c  		Sleep(dowait->tv_sec * 1000 + dowait->tv_usec / 1000);
Sleep            3817 win32/win32.c  #define yield_once() Sleep(0)