1 /*
2 * Check: a unit test framework for C
3 * Copyright (C) 2001, 2002 Arien Malec
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This 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 this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
18 * MA 02110-1301, USA.
19 */
20
21 #include "libcompat.h"
22
23 int
timer_delete(timer_t timerid CK_ATTRIBUTE_UNUSED)24 timer_delete (timer_t timerid CK_ATTRIBUTE_UNUSED)
25 {
26 #ifdef HAVE_SETITIMER
27 /*
28 * If the system does not have timer_settime() but does have
29 * setitimer() use that instead of alarm().
30 */
31 struct itimerval interval;
32
33 /*
34 * Setting values to '0' results in disabling the running timer.
35 */
36 interval.it_value.tv_sec = 0;
37 interval.it_value.tv_usec = 0;
38 interval.it_interval.tv_sec = 0;
39 interval.it_interval.tv_usec = 0;
40
41 return setitimer (ITIMER_REAL, &interval, NULL);
42 #else
43 /*
44 * There is only one timer, that used by alarm.
45 * Setting alarm(0) will not set a new alarm, and
46 * will kill the previous timer.
47 */
48
49 alarm (0);
50
51 return 0;
52 #endif
53 }
54