138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/* $NetBSD: t_timeleft.c,v 1.4 2019/01/14 00:23:43 christos Exp $ */
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/*-
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* Copyright (c) 2017 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__COPYRIGHT("@(#) Copyright (c) 2008\
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The NetBSD Foundation, inc. All rights reserved.");
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__RCSID("$NetBSD: t_timeleft.c,v 1.4 2019/01/14 00:23:43 christos Exp $");
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#include <sys/types.h>
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#include <sys/select.h>
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#include <atf-c.h>
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#include <time.h>
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#include <errno.h>
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#include <lwp.h>
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#include <signal.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <sched.h>
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#include <unistd.h>
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static void
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sighandler(int signo __unused)
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{
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}
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struct info {
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void (*fun)(struct timespec *);
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struct timespec ts;
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};
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static void
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timeleft__lwp_park(struct timespec *ts)
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{
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ATF_REQUIRE_ERRNO(EINTR, _lwp_park(CLOCK_MONOTONIC, TIMER_RELTIME,
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ts, 0, ts, NULL) == -1);
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}
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#if 0
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static void
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timeleft_pselect(struct timespec *ts)
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{
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ATF_REQUIRE_ERRNO(EINTR, pselect(1, NULL, NULL, NULL, ts, NULL));
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}
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#endif
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static void *
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runner(void *arg)
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{
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struct info *i = arg;
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(*i->fun)(&i->ts);
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return NULL;
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}
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static void
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tester(void (*fun)(struct timespec *))
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{
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const struct timespec ts = { 5, 0 };
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const struct timespec sts = { 1, 0 };
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struct info i = { fun, ts };
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pthread_t thr;
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ATF_REQUIRE(signal(SIGINT, sighandler) == 0);
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ATF_REQUIRE(pthread_create(&thr, NULL, runner, &i) == 0);
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ATF_REQUIRE(nanosleep(&sts, NULL) == 0);
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ATF_REQUIRE(pthread_kill(thr, SIGINT) == 0);
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ATF_REQUIRE(pthread_join(thr, NULL) == 0);
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printf("Orig time %ju.%lu\n", (intmax_t)ts.tv_sec, ts.tv_nsec);
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printf("Time left %ju.%lu\n", (intmax_t)i.ts.tv_sec, i.ts.tv_nsec);
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ATF_REQUIRE(timespeccmp(&i.ts, &ts, <));
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}
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ATF_TC(timeleft__lwp_park);
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ATF_TC_HEAD(timeleft__lwp_park, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Checks that _lwp_park(2) returns "
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"the time left to sleep after interrupted");
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}
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ATF_TC_BODY(timeleft__lwp_park, tc)
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{
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tester(timeleft__lwp_park);
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}
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#if 0
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ATF_TC(timeleft_pselect);
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ATF_TC_HEAD(timeleft_pselect, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Checks that pselect(2) returns "
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"the time left to sleep after interrupted");
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}
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ATF_TC_BODY(timeleft_pselect, tc)
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{
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tester(timeleft_pselect);
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}
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#endif
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, timeleft__lwp_park);
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#if 0
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ATF_TP_ADD_TC(tp, timeleft_pselect);
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#endif
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return atf_no_error();
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}
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