/* sleep -- sleep for a specified number of seconds */
/* usleep -- sleep for a specified number of microSecond */
/* written by Eric R. Smith and placed in the public domain */

#include <time.h>
#include <mintbind.h>

/* clock() has a rez of CLOCKS_PER_SEC ticks/sec */

#define USEC_PER_TICK (1000000U / ((unsigned long)CLOCKS_PER_SEC))
#define	USEC_TO_CLOCK_TICKS(us)	((us) / USEC_PER_TICK )

void
sleep(n)
unsigned int	n;
{
	unsigned long	stop;
	extern int __mint;

	if (__mint) {
		while (n > 32) {
			(void)Fselect(32000, 0L, 0L, 0L);
			n -= 32;
		}
		(void)Fselect(1000*n, 0L, 0L, 0L);
	}
	else {
		stop = clock() + n * CLOCKS_PER_SEC;
		while (clock() < stop)
			;
	}
}

/*
 * Sleep for usec microSeconds 
 * the actual suspension time can be arbitrarily longer
 *
 */
void
usleep(unsigned long usec)
{
	unsigned long	stop;
	extern int __mint;

	if (__mint) {
		(void)Fselect((unsigned)(usec/1000), 0L, 0L, 0L);
	}
	else {
		stop = clock() + USEC_TO_CLOCK_TICKS(usec);
		while (clock() < stop)
			;
	}
}