1 /* $NetBSD: t_nanosleep.c,v 1.4 2017/01/13 21:15:14 christos Exp $ */
4 * Copyright (c) 2011 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_nanosleep.c,v 1.4 2017/01/13 21:15:14 christos Exp $");
48 handler(int signo __unused)
53 ATF_TC(nanosleep_basic);
54 ATF_TC_HEAD(nanosleep_basic, tc)
56 atf_tc_set_md_var(tc, "descr", "Test that nanosleep(2) works");
59 ATF_TC_BODY(nanosleep_basic, tc)
61 static const size_t maxiter = 10;
62 struct timespec ts1, ts2, tsn;
65 for (i = 1; i < maxiter; i++) {
70 (void)memset(&ts1, 0, sizeof(struct timespec));
71 (void)memset(&ts2, 0, sizeof(struct timespec));
73 ATF_REQUIRE(clock_gettime(CLOCK_MONOTONIC, &ts1) == 0);
74 ATF_REQUIRE(nanosleep(&tsn, NULL) == 0);
75 ATF_REQUIRE(clock_gettime(CLOCK_MONOTONIC, &ts2) == 0);
78 * Verify that we slept at least one nanosecond.
80 if (timespeccmp(&ts2, &ts1, <=) != 0) {
83 "sleep time:: sec %llu, nsec %lu\n\t\t"
84 "ts1: sec %llu, nsec %lu\n\t\t"
85 "ts2: sec %llu, nsec %lu\n",
86 (unsigned long long)tsn.tv_sec, tsn.tv_nsec,
87 (unsigned long long)ts1.tv_sec, ts1.tv_nsec,
88 (unsigned long long)ts2.tv_sec, ts2.tv_nsec);
90 atf_tc_fail_nonfatal("inaccuracies in sleep time "
91 "(resolution = %lu nsec)", tsn.tv_nsec);
96 ATF_TC(nanosleep_err);
97 ATF_TC_HEAD(nanosleep_err, tc)
99 atf_tc_set_md_var(tc, "descr",
100 "Test errors from nanosleep(2) (PR bin/14558)");
103 ATF_TC_BODY(nanosleep_err, tc)
110 ATF_REQUIRE_ERRNO(EINVAL, nanosleep(&ts, NULL) == -1);
113 ts.tv_nsec = 1000000000;
115 ATF_REQUIRE_ERRNO(EINVAL, nanosleep(&ts, NULL) == -1);
120 ATF_REQUIRE_ERRNO(0, nanosleep(&ts, NULL) == 0);
123 ATF_REQUIRE_ERRNO(EFAULT, nanosleep((void *)-1, NULL) == -1);
126 ATF_TC(nanosleep_sig);
127 ATF_TC_HEAD(nanosleep_sig, tc)
129 atf_tc_set_md_var(tc, "descr", "Test signal for nanosleep(2)");
132 ATF_TC_BODY(nanosleep_sig, tc)
134 struct timespec tsn, tsr;
139 * Test that a signal interrupts nanosleep(2).
141 * (In which case the return value should be -1 and the
142 * second parameter should contain the unslept time.)
146 ATF_REQUIRE(pid >= 0);
147 ATF_REQUIRE(signal(SIGINT, handler) == 0);
159 if (nanosleep(&tsn, &tsr) != -1)
165 if (tsr.tv_sec == 0 && tsr.tv_nsec == 0)
172 (void)kill(pid, SIGINT);
175 if (WIFEXITED(sta) == 0 || WEXITSTATUS(sta) != EXIT_SUCCESS)
176 atf_tc_fail("signal did not interrupt nanosleep(2)");
182 ATF_TP_ADD_TC(tp, nanosleep_basic);
183 ATF_TP_ADD_TC(tp, nanosleep_err);
184 ATF_TP_ADD_TC(tp, nanosleep_sig);
186 return atf_no_error();