mirror of
https://github.com/freebsd/freebsd-src
synced 2024-07-22 10:48:02 +00:00
fb2ab7ce52
Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D44867
121 lines
3.3 KiB
C
121 lines
3.3 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright 2024 The FreeBSD Foundation
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*
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* This software was developed by Konstantin Belousov <kib@FreeBSD.org>
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* under sponsorship from the FreeBSD Foundation.
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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 AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <atf-c.h>
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#include <err.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <unistd.h>
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#define NTHREADS 330
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static int value[NTHREADS];
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static pthread_t thr[NTHREADS];
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static pthread_barrier_t barrier;
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static void
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handler(int signo __unused, siginfo_t *info, void *data __unused)
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{
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pthread_t self;
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int i;
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/*
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* Formally this is thread-unsafe but we know context from
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* where the signal is sent.
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*/
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self = pthread_self();
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for (i = 0; i < NTHREADS; i++) {
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if (pthread_equal(self, thr[i])) {
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value[i] = info->si_value.sival_int;
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pthread_exit(NULL);
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}
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}
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}
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static void *
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threadfunc(void *arg __unused)
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{
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pthread_barrier_wait(&barrier);
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for (;;)
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pause();
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}
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ATF_TC(pthread_sigqueue);
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ATF_TC_HEAD(pthread_sigqueue, tc)
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{
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atf_tc_set_md_var(tc, "descr",
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"Checks pthread_sigqueue(3) sigval delivery");
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}
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ATF_TC_BODY(pthread_sigqueue, tc)
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{
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struct sigaction sa;
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union sigval sv;
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int error, i;
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error = pthread_barrier_init(&barrier, NULL, NTHREADS + 1);
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ATF_REQUIRE_EQ(0, error);
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memset(&sa, 0, sizeof(sa));
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sa.sa_sigaction = handler;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_SIGINFO;
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if (sigaction(SIGUSR1, &sa, NULL) != 0)
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atf_tc_fail("sigaction failed");
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memset(&sv, 0, sizeof(sv));
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for (i = 0; i < NTHREADS; i++) {
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error = pthread_create(&thr[i], NULL, threadfunc, NULL);
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ATF_REQUIRE_EQ(0, error);
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}
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error = pthread_barrier_wait(&barrier);
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ATF_REQUIRE(error == 0 || error == PTHREAD_BARRIER_SERIAL_THREAD);
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for (i = 0; i < NTHREADS; i++) {
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sv.sival_int = i + 1000;
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error = pthread_sigqueue(thr[i], SIGUSR1, sv);
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ATF_REQUIRE_EQ(0, error);
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error = pthread_join(thr[i], NULL);
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ATF_REQUIRE_EQ(0, error);
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}
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for (i = 0; i < NTHREADS; i++)
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ATF_REQUIRE_EQ(i + 1000, value[i]);
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, pthread_sigqueue);
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return atf_no_error();
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}
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