DELAY(10.2)

NAME

delay, microdelay, addclock0link − small delays, clock interrupts

voiddelay(int n);

voidmicrodelay(int n);

voidaddclock0link(void(∗clockf)(void));

Delay busy waits for n milliseconds, forced to be at least one millisecond.

Microdelay is similar, but busy waits for n microseconds.

For delays on the order of clock ticks, tsleep (see sleep(10.2)) provides a better alternative to the busy waiting of these routines.

Addclock0link adds clockf to a list of functions to be executed at each clock interrupt.