1 /* Copyright (C) 2000, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
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.
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.
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/>. */
23 #include "posix-timer.h"
26 /* Get current value of timer TIMERID and store it in VLAUE. */
28 timer_gettime (timerid, value)
30 struct itimerspec *value;
32 struct timer_node *timer;
33 struct timespec now, expiry;
34 int retval = -1, armed = 0, valid;
37 pthread_mutex_lock (&__timer_mutex);
39 timer = timer_id2ptr (timerid);
40 valid = timer_valid (timer);
44 expiry = timer->expirytime;
46 value->it_interval = timer->value.it_interval;
49 pthread_mutex_unlock (&__timer_mutex);
55 clock_gettime (clock, &now);
56 if (timespec_compare (&now, &expiry) < 0)
57 timespec_sub (&value->it_value, &expiry, &now);
60 value->it_value.tv_sec = 0;
61 value->it_value.tv_nsec = 0;
66 value->it_value.tv_sec = 0;
67 value->it_value.tv_nsec = 0;