1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *  * Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 *  * Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in
12 *    the documentation and/or other materials provided with the
13 *    distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28#include <stdio.h>
29#include <time.h>
30#include <signal.h>
31#include <pthread.h>
32#include <string.h>
33#include <unistd.h>
34
35static timer_t   tid;
36static int       count;
37
38/* this test program is there to check that disarming a timer
39 * can be done by calling timer_settime() with an it_interval
40 * value of 0
41 */
42void
43handle(sigval_t v)
44{
45    time_t  t;
46    char    p[32];
47    struct itimerspec  ts;
48
49    time(&t);
50    strftime(p, sizeof(p), "%T", localtime(&t));
51    printf("%s thread %d, val = %d, signal captured.\n",
52            p,  (int)pthread_self(), v.sival_int);
53    count += 1;
54
55    /* this should disable the timer, and hence make 'count' no more than 1 */
56    ts.it_value.tv_sec = 0;
57    ts.it_value.tv_nsec = 0;
58    ts.it_interval.tv_sec  = 1;
59    ts.it_interval.tv_nsec = 0;
60    timer_settime(tid, TIMER_ABSTIME, &ts, NULL);
61
62    return;
63}
64
65int
66create(int seconds, int id)
67{
68    struct sigevent se;
69    struct itimerspec ts, ots;
70
71    memset(&se, 0, sizeof (se));
72    se.sigev_notify = SIGEV_THREAD;
73    se.sigev_notify_function = handle;
74    se.sigev_value.sival_int = id;
75
76    if (timer_create (CLOCK_REALTIME, &se, &tid) < 0)
77    {
78        perror ("timer_creat");
79        return -1;
80    }
81    puts ("timer_create successfully.");
82    ts.it_value.tv_sec =  0;
83    ts.it_value.tv_nsec = 1;
84    ts.it_interval.tv_sec = seconds;
85    ts.it_interval.tv_nsec = 0;
86    if (timer_settime (tid, TIMER_ABSTIME, &ts, &ots) < 0)
87    {
88        perror ("timer_settime");
89        return -1;
90    }
91    return 0;
92}
93
94int
95main (void)
96{
97    if (create (1, 1) < 0) return 1;
98    sleep (4);
99
100    if (count == 1) {
101        printf("OK\n");
102        return 0;
103    } else {
104        printf("KO (count=%d)\n", count);
105        return 1;
106    }
107}
108