/*
** Copyright 2004, Axel Dörfler, axeld@pinc-software.de. All rights reserved.
** Distributed under the terms of the MIT License.
*/


#include <errno.h>
#include <unistd.h>
#include <sys/time.h>

#include <errno_private.h>
#include <syscalls.h>


uint
alarm(unsigned int sec)
{
        struct itimerval value, oldValue;

        value.it_interval.tv_sec = value.it_interval.tv_usec = 0;
        value.it_value.tv_sec = sec;
        value.it_value.tv_usec = 0;
        if (setitimer(ITIMER_REAL, &value, &oldValue) < 0)
                return -1;

        if (oldValue.it_value.tv_usec)
                oldValue.it_value.tv_sec++;

        return oldValue.it_value.tv_sec;
}