1 /*
2  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
3  *
4  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
5  */
6 
7 #include <time.h>
8 #include <sys/time.h>
9 #include <sys/types.h>
10 #include <unistd.h>
11 
12 
ualarm(useconds_t value,useconds_t interval)13 useconds_t ualarm(useconds_t value, useconds_t interval)
14 {
15     struct itimerval otimer;
16     const struct itimerval itimer = {
17 	{ 0, interval },
18 	{ 0, value}
19     };
20 
21     if (setitimer(ITIMER_REAL, &itimer, &otimer) < 0) {
22 	return -1;
23     }
24     return((otimer.it_value.tv_sec * 1000000) + otimer.it_value.tv_usec);
25 }
26