1 /* $NetBSD: t_condwait.c,v 1.4 2013/04/12 17:18:11 christos Exp $ */
4 * Copyright (c) 2013 The NetBSD Foundation, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
28 #include <sys/cdefs.h>
29 __RCSID("$NetBSD: t_condwait.c,v 1.4 2013/04/12 17:18:11 christos Exp $");
47 #define WAITTIME 2 /* Timeout wait secound */
49 static const int debug = 1;
54 struct timespec ts, to, te;
56 pthread_condattr_t attr;
58 pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER;
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);
67 ATF_REQUIRE_EQ((ret = pthread_mutex_lock(&m)), 0);
69 ATF_REQUIRE_EQ(clock_gettime(clck, &ts), 0);
73 printf("started: %lld.%09ld sec\n", (long long)to.tv_sec,
76 ts.tv_sec += WAITTIME; /* Timeout wait */
78 switch (ret = pthread_cond_timedwait(&cond, &m, &ts)) {
81 ATF_REQUIRE_EQ(clock_gettime(clck, &te), 0);
82 timespecsub(&te, &to, &to);
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);
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);
95 ATF_REQUIRE_EQ(to.tv_sec, WAITTIME);
99 ATF_REQUIRE_MSG(0, "pthread_cond_timedwait: %s", strerror(ret));
102 ATF_REQUIRE_MSG(!(ret = pthread_mutex_unlock(&m)),
103 "pthread_mutex_unlock: %s", strerror(ret));
108 cond_wait(clockid_t clck, const char *msg) {
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 */
116 printf( "**** %s clock wait ended\n", msg);
119 ATF_TC(cond_wait_real);
120 ATF_TC_HEAD(cond_wait_real, tc)
122 atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait "
123 "with CLOCK_REALTIME");
126 ATF_TC_BODY(cond_wait_real, tc) {
127 cond_wait(CLOCK_REALTIME, "CLOCK_REALTIME");
130 ATF_TC(cond_wait_mono);
131 ATF_TC_HEAD(cond_wait_mono, tc)
133 atf_tc_set_md_var(tc, "descr", "Checks pthread_cond_timedwait "
134 "with CLOCK_MONOTONIC");
137 ATF_TC_BODY(cond_wait_mono, tc) {
138 cond_wait(CLOCK_MONOTONIC, "CLOCK_MONOTONIC");
143 ATF_TP_ADD_TC(tp, cond_wait_real);
144 ATF_TP_ADD_TC(tp, cond_wait_mono);