Sleep             140 regint.h       #define THREAD_PASS             Sleep(0)
Sleep              21 thread_win32.c #define native_thread_yield() Sleep(0)
Sleep             616 thread_win32.c 	Sleep(0);
Sleep            3076 win32/win32.c  		Sleep(dowait->tv_sec * 1000 + (dowait->tv_usec + 999) / 1000);
Sleep            5804 win32/win32.c  #define yield_once() Sleep(0)