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1/* Copyright (C) 2000-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public License as
7 published by the Free Software Foundation; either version 2.1 of the
8 License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, see <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <pthread.h>
21#include <time.h>
22
23#include "posix-timer.h"
24
25
26/* Get expiration overrun for timer TIMERID. */
27int
28timer_getoverrun (timer_t timerid)
29{
30 struct timer_node *timer;
31 int retval = -1;
32
33 pthread_mutex_lock (&__timer_mutex);
34
35 if (! timer_valid (timer = timer_id2ptr (timerid)))
36 __set_errno (EINVAL);
37 else
38 retval = timer->overrun_count;
39
40 pthread_mutex_unlock (&__timer_mutex);
41
42 return retval;
43}
44

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