/*
** Copyright 2001, Manuel J. Petit. All rights reserved.
** Distributed under the terms of the NewOS License.
*/

#include <unistd.h>

#include <pthread.h>

#include <syscalls.h>


unsigned
sleep(unsigned seconds)
{
        bigtime_t usecs;
        bigtime_t start;
        int err;

        start = system_time();

        usecs = 1000000;
        usecs *= (bigtime_t) seconds;

        err = snooze_until(start + usecs, B_SYSTEM_TIMEBASE);

        pthread_testcancel();

        if (err)
                return seconds - (unsigned)((system_time() - start) / 1000000);

        return 0;
}