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/*
* XXX 3.4.3 Delay Process Execution, P1003.1b-1993, p. 81
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <time.h>
#include <unistd.h>
#include <rtems/system.h>
#include <rtems/score/tod.h>
unsigned usleep(
unsigned int useconds
)
{
struct timespec tp;
struct timespec tm;
unsigned remaining;
tp.tv_sec = useconds / TOD_MICROSECONDS_PER_SECOND;
tp.tv_nsec = (useconds % TOD_MICROSECONDS_PER_SECOND) * 1000;
nanosleep( &tp, &tm );
remaining = tm.tv_sec * TOD_MICROSECONDS_PER_SECOND;
remaining += tm.tv_nsec / 1000;
return remaining; /* seconds remaining */
}
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