mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-21 18:30:05 +00:00
5a05b36764
* sysdeps/unix/sysv/linux/alpha/bits/types.h: Make __useconds_t unsigned. * sysdeps/unix/sysv/linux/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise. * sysdeps/unix/sysv/linux/sparc/bits/types.h: Likewise. * sysdeps/unix/sysv/sysv4/solaris2/bits/types.h: Likewise. * sysdeps/generic/bits/types.h: Make __useconds_t unsigned. * sysdeps/generic/ualarm.c (ualarm): Change return value and parameter type to useconds_t. * sysdeps/unix/bsd/ualarm.c: Likewise. * sysdeps/generic/usleep.c (usleep): Change parameter type to useconds_t. * sysdeps/unix/sysv/linux/usleep.c: Likewise. * sysdeps/mach/usleep.c: Likewise.
44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/* Copyright (C) 1991, 1997, 1999 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public License as
|
|
published by the Free Software Foundation; either version 2 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. If not,
|
|
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
Boston, MA 02111-1307, USA. */
|
|
|
|
#include <sys/time.h>
|
|
#include <unistd.h>
|
|
|
|
/* Set an alarm to go off (generating a SIGALRM signal) in VALUE microseconds.
|
|
If INTERVAL is nonzero, when the alarm goes off, the timer is reset to go
|
|
off every INTERVAL microseconds thereafter.
|
|
|
|
Returns the number of microseconds remaining before the alarm. */
|
|
useconds_t
|
|
ualarm (value, interval)
|
|
useconds_t value;
|
|
useconds_t interval;
|
|
{
|
|
struct itimerval timer, otimer;
|
|
|
|
timer.it_value.tv_sec = 0;
|
|
timer.it_value.tv_usec = value;
|
|
timer.it_interval.tv_sec = 0;
|
|
timer.it_interval.tv_usec = interval;
|
|
|
|
if (setitimer (ITIMER_REAL, &timer, &otimer) < 0)
|
|
return -1;
|
|
|
|
return (otimer.it_value.tv_sec * 1000000) + otimer.it_value.tv_usec;
|
|
}
|