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4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
110 lines
2.9 KiB
Bash
Executable File
110 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# SPDX-License-Identifier: BSD-2-Clause
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#
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# Copyright (c) 2019 Dell EMC Isilon
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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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# "panic: vm_page_free_prep: freeing mapped page 0x657936c" seen.
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# https://people.freebsd.org/~pho/stress/log/sem_wait.txt
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# Fixed by r350005
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. ../default.cfg
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cat > /tmp/sem_wait.c <<EOF
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#include <sys/param.h>
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <pthread.h>
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#include <semaphore.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 <string.h>
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#include <time.h>
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#include <unistd.h>
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static sem_t *semaphore;
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static void *
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test(void) {
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setproctitle("%s", __func__);
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alarm(300);
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for (;;) {
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if (sem_wait(semaphore) == -1)
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err(1, "sem_wait");
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if (sem_post(semaphore) == -1)
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err(1, "sem_post");
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}
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}
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int
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main(void) {
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pid_t pid;
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size_t len;
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time_t start;
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setproctitle("%s", __func__);
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alarm(300);
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len = PAGE_SIZE;
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if ((semaphore = mmap(NULL, len, PROT_READ | PROT_WRITE,
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MAP_ANON | MAP_SHARED, -1, 0)) == MAP_FAILED)
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err(1, "mmap");
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// initialize semaphore and set value to 1
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if (sem_init(semaphore, 1, 1) == -1)
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err(1, "sem_init");
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if ((pid = fork()) == 0)
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test();
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if (pid == -1)
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err(1, "fork()");
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usleep(50);
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alarm(300);
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start = time(NULL);
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while (time(NULL) - start < 60) {
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if (sem_wait(semaphore) == -1)
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err(1, "sem_wait");
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if (sem_post(semaphore) == -1)
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err(1, "sem_post");
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}
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kill(pid, SIGHUP);
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if (waitpid(pid, NULL, 0) != pid)
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err(1, "waitpid()");
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return (0);
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}
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EOF
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mycc -o /tmp/sem_wait -Wall -Wextra -O2 /tmp/sem_wait.c || exit 1
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timeout 6m /tmp/sem_wait; s=$?
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[ $s -eq 124 ] && echo "Timed out"
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rm -f /tmp/sem_wait /tmp/sem_wait.c
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exit $s
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