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kqueue tests: Add a regression test
Based on the test case submitted by Andreas Bock for PR 275286. PR: 275286 MFC after: 2 weeks
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TESTSRC= ${SRCTOP}/contrib/netbsd-tests/kernel/kqueue
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TESTSDIR= ${TESTSBASE}/sys/kqueue
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BINDIR= ${TESTSDIR}
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ATF_TESTS_C+= kqueue_peek_signal
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ATF_TESTS_C+= kqueue_fork \
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kqueue_peek_signal
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NETBSD_ATF_TESTS_C= proc1_test
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# XXX: fails `ke.fflags & NOTE_TRACKERR` invariant
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89
tests/sys/kqueue/kqueue_fork.c
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89
tests/sys/kqueue/kqueue_fork.c
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2023 Andreas Bock <andreas.bock@virtual-arts-software.de>
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* Copyright (c) 2023 Mark Johnston <markj@FreeBSD.org>
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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 are
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* 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
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* the 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 <sys/event.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <signal.h>
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#include <unistd.h>
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#include <atf-c.h>
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/*
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* A regression test for bugzilla 275286.
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*/
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ATF_TC_WITHOUT_HEAD(shared_table_filt_sig);
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ATF_TC_BODY(shared_table_filt_sig, tc)
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{
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struct sigaction sa;
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pid_t pid;
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int error, status;
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sa.sa_handler = SIG_IGN;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = 0;
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error = sigaction(SIGINT, &sa, NULL);
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ATF_REQUIRE(error == 0);
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pid = rfork(RFPROC);
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ATF_REQUIRE(pid != -1);
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if (pid == 0) {
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struct kevent ev;
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int kq;
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kq = kqueue();
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if (kq < 0)
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err(1, "kqueue");
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EV_SET(&ev, SIGINT, EVFILT_SIGNAL, EV_ADD | EV_ENABLE, 0, 0,
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NULL);
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if (kevent(kq, &ev, 1, NULL, 0, NULL) < 0)
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err(2, "kevent");
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if (kevent(kq, NULL, 0, &ev, 1, NULL) < 0)
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err(3, "kevent");
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_exit(0);
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}
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/* Wait for the child to block in kevent(). */
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usleep(100000);
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error = kill(pid, SIGINT);
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ATF_REQUIRE(error == 0);
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error = waitpid(pid, &status, 0);
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ATF_REQUIRE(error != -1);
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ATF_REQUIRE(WIFEXITED(status));
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ATF_REQUIRE_EQ(WEXITSTATUS(status), 0);
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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, shared_table_filt_sig);
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return (atf_no_error());
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}
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