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dff8da6b | 1 | /* Copyright (C) 2000-2024 Free Software Foundation, Inc. |
be1dd949 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
daa3fc9b FW |
5 | modify it under the terms of the GNU Lesser General Public License as |
6 | published by the Free Software Foundation; either version 2.1 of the | |
7 | License, or (at your option) any later version. | |
be1dd949 UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
be1dd949 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
daa3fc9b FW |
15 | License along with the GNU C Library; see the file COPYING.LIB. If |
16 | not, see <https://www.gnu.org/licenses/>. */ | |
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17 | |
18 | #include <errno.h> | |
daa3fc9b | 19 | #include <pthread.h> |
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20 | #include <time.h> |
21 | ||
daa3fc9b FW |
22 | #include "posix-timer.h" |
23 | ||
24 | ||
be1dd949 UD |
25 | /* Get expiration overrun for timer TIMERID. */ |
26 | int | |
27 | timer_getoverrun (timer_t timerid) | |
28 | { | |
daa3fc9b FW |
29 | struct timer_node *timer; |
30 | int retval = -1; | |
31 | ||
32 | pthread_mutex_lock (&__timer_mutex); | |
33 | ||
34 | if (! timer_valid (timer = timer_id2ptr (timerid))) | |
35 | __set_errno (EINVAL); | |
36 | else | |
37 | retval = timer->overrun_count; | |
38 | ||
39 | pthread_mutex_unlock (&__timer_mutex); | |
40 | ||
41 | return retval; | |
be1dd949 | 42 | } |