]> CyberLeo.Net >> Repos - FreeBSD/releng/10.2.git/blob - contrib/netbsd-tests/lib/libpthread/t_condwait.c
- Copy stable/10@285827 to releng/10.2 in preparation for 10.2-RC1
[FreeBSD/releng/10.2.git] / contrib / netbsd-tests / lib / libpthread / t_condwait.c
1 /* $NetBSD: t_condwait.c,v 1.4 2013/04/12 17:18:11 christos Exp $ */
2
3 /*
4  * Copyright (c) 2013 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 #include <sys/cdefs.h>
29 __RCSID("$NetBSD: t_condwait.c,v 1.4 2013/04/12 17:18:11 christos Exp $");
30
31 #include <errno.h>
32 #include <pthread.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <time.h>
37 #include <unistd.h>
38
39 #include <atf-c.h>
40
41 #include "isqemu.h"
42
43 #ifdef __FreeBSD__
44 #include <sys/time.h>
45 #endif
46
47 #define WAITTIME 2      /* Timeout wait secound */
48
49 static const int debug = 1;
50
51 static void *
52 run(void *param)
53 {
54         struct timespec ts, to, te;
55         clockid_t clck;
56         pthread_condattr_t attr;
57         pthread_cond_t cond;
58         pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
59         int ret = 0;
60
61
62         clck = *(clockid_t *)param;
63         pthread_condattr_init(&attr);
64         pthread_condattr_setclock(&attr, clck); /* MONOTONIC or MONOTONIC */
65         pthread_cond_init(&cond, &attr);
66
67         ATF_REQUIRE_EQ((ret = pthread_mutex_lock(&m)), 0);
68
69         ATF_REQUIRE_EQ(clock_gettime(clck, &ts), 0);
70         to = ts;
71
72         if (debug)
73                 printf("started: %lld.%09ld sec\n", (long long)to.tv_sec,
74                     to.tv_nsec);
75
76         ts.tv_sec += WAITTIME;  /* Timeout wait */
77
78         switch (ret = pthread_cond_timedwait(&cond, &m, &ts)) {
79         case ETIMEDOUT:
80                 /* Timeout */
81                 ATF_REQUIRE_EQ(clock_gettime(clck, &te), 0);
82                 timespecsub(&te, &to, &to);
83                 if (debug) {
84                         printf("timeout: %lld.%09ld sec\n",
85                             (long long)te.tv_sec, te.tv_nsec);
86                         printf("elapsed: %lld.%09ld sec\n",
87                             (long long)to.tv_sec, to.tv_nsec);
88                 }
89                 if (isQEMU()) {
90                         double to_seconds = to.tv_sec + 1e-9 * to.tv_nsec;
91                         ATF_REQUIRE(to_seconds >= WAITTIME * 0.9);
92                         /* Loose upper limit because of qemu timing bugs */
93                         ATF_REQUIRE(to_seconds < WAITTIME * 2.5);
94                 } else {
95                         ATF_REQUIRE_EQ(to.tv_sec, WAITTIME);
96                 }
97                 break;
98         default:
99                 ATF_REQUIRE_MSG(0, "pthread_cond_timedwait: %s", strerror(ret));
100         }
101
102         ATF_REQUIRE_MSG(!(ret = pthread_mutex_unlock(&m)),
103             "pthread_mutex_unlock: %s", strerror(ret));
104         pthread_exit(&ret);
105 }
106
107 static void
108 cond_wait(clockid_t clck, const char *msg) {
109         pthread_t child;
110
111         if (debug)
112                 printf( "**** %s clock wait starting\n", msg);
113         ATF_REQUIRE_EQ(pthread_create(&child, NULL, run, &clck), 0);
114         ATF_REQUIRE_EQ(pthread_join(child, NULL), 0); /* wait for terminate */
115         if (debug)
116                 printf( "**** %s clock wait ended\n", msg);
117 }
118
119 ATF_TC(cond_wait_real);
120 ATF_TC_HEAD(cond_wait_real, tc)
121 {
122         atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait "
123             "with CLOCK_REALTIME");
124 }
125
126 ATF_TC_BODY(cond_wait_real, tc) {
127         cond_wait(CLOCK_REALTIME, "CLOCK_REALTIME");
128 }
129
130 ATF_TC(cond_wait_mono);
131 ATF_TC_HEAD(cond_wait_mono, tc)
132 {
133         atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait "
134             "with CLOCK_MONOTONIC");
135 }
136
137 ATF_TC_BODY(cond_wait_mono, tc) {
138         cond_wait(CLOCK_MONOTONIC, "CLOCK_MONOTONIC");
139 }
140
141 ATF_TP_ADD_TCS(tp)
142 {
143         ATF_TP_ADD_TC(tp, cond_wait_real);
144         ATF_TP_ADD_TC(tp, cond_wait_mono);
145         return 0;
146 }