155 lines
3.4 KiB
Bash
Executable File
155 lines
3.4 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2012 Peter Holm <pho@FreeBSD.org>
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# All rights reserved.
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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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# procfs(5) test scenario.
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# "panic: wchan 0xc10a4f68 has no wmesg" seen
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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mount | grep -q "/proc " || { mount -t procfs procfs /proc || exit 1; }
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here=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $here/$0 > procfs3.c
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mycc -o procfs3 -Wall -Wextra -O2 procfs3.c || exit 1
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rm -f procfs3.c
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cd $here
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su $testuser -c /tmp/procfs3
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rm -f /tmp/procfs3
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exit 0
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EOF
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#include <sys/param.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <fts.h>
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#include <libutil.h>
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#include <signal.h>
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#include <stdint.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 <sys/param.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#define PARALLEL 10
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void
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handler(int i __unused)
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{
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}
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int
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test(void)
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{
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FTS *fts;
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FTSENT *p;
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int ftsoptions;
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char *args[2];
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int fd, i;
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char buf[1629];
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ftsoptions = FTS_PHYSICAL;
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args[0] = "/proc";
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args[1] = 0;
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if ((fts = fts_open(args, ftsoptions, NULL)) == NULL)
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err(1, "fts_open");
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while ((p = fts_read(fts)) != NULL) {
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switch (p->fts_info) {
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case FTS_F: /* Ignore. */
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break;
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case FTS_D: /* Ignore. */
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continue;
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case FTS_DP:
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continue;
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case FTS_DC: /* Ignore. */
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continue;
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case FTS_SL: /* Ignore. */
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continue;
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case FTS_DNR:
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continue;
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case FTS_NS:
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continue;
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case FTS_ERR:
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case FTS_DEFAULT:
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warnx("%s: %s. fts_info = %d", p->fts_path, strerror(p->fts_errno),
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p->fts_info);
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continue;
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default:
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printf("%s: default, %d\n", getprogname(), p->fts_info);
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break;
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}
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if ((fd = open(p->fts_path, O_RDONLY)) == -1)
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continue;
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signal(SIGALRM, handler);
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alarm(1);
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for (i = 0; i < 2; i++) {
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read(fd, buf, 1629);
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}
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close(fd);
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}
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if (errno != 0 && errno != ENOENT)
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err(1, "fts_read");
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if (fts_close(fts) == -1)
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err(1, "fts_close()");
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return (0);
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}
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int
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main(void)
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{
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int i, j;
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for (i = 0; i < PARALLEL; i++) {
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if (fork() == 0) {
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for (j = 0; j < 50; j++) {
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test();
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}
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_exit(0);
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}
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}
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for (i = 0; i < PARALLEL; i++)
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wait(NULL);
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return (0);
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}
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