Warning: That file was not part of the compilation database. It may have many parsing errors.

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 current value of timer TIMERID and store it in VLAUE. */
27int
28timer_gettime (timer_t timerid, struct itimerspec *value)
29{
30 struct timer_node *timer;
31 struct timespec now, expiry;
32 int retval = -1, armed = 0, valid;
33 clock_t clock = 0;
34
35 pthread_mutex_lock (&__timer_mutex);
36
37 timer = timer_id2ptr (timerid);
38 valid = timer_valid (timer);
39
40 if (valid) {
41 armed = timer->armed;
42 expiry = timer->expirytime;
43 clock = timer->clock;
44 value->it_interval = timer->value.it_interval;
45 }
46
47 pthread_mutex_unlock (&__timer_mutex);
48
49 if (valid)
50 {
51 if (armed)
52 {
53 __clock_gettime (clock, &now);
54 if (timespec_compare (&now, &expiry) < 0)
55 timespec_sub (&value->it_value, &expiry, &now);
56 else
57 {
58 value->it_value.tv_sec = 0;
59 value->it_value.tv_nsec = 0;
60 }
61 }
62 else
63 {
64 value->it_value.tv_sec = 0;
65 value->it_value.tv_nsec = 0;
66 }
67
68 retval = 0;
69 }
70 else
71 __set_errno (EINVAL);
72
73 return retval;
74}
75

Warning: That file was not part of the compilation database. It may have many parsing errors.