187 lines
3.9 KiB
Bash
Executable File
187 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Copyright (c) 2008 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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# Test scenario by marcus@freebsd.org
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[ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
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. ../default.cfg
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odir=`pwd`
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cd /tmp
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sed '1,/^EOF/d' < $odir/$0 > kinfo2.c
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mycc -o kinfo2 -Wall -Wextra kinfo2.c -lutil || exit 1
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rm -f kinfo2.c
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mount | grep -q procfs || mount -t procfs procfs /proc
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s=0
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for i in `jot 15`; do
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pids=""
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for j in `jot 5`; do
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/tmp/kinfo2 &
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pids="$pids $!"
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done
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for p in $pids; do
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wait $p
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[ $? -ne 0 ] && s=1
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done
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done
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rm -f /tmp/kinfo2
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exit $s
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EOF
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#include <sys/types.h>
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#include <sys/signal.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <dirent.h>
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#include <err.h>
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#include <fcntl.h>
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#include <libutil.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <strings.h>
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#include <unistd.h>
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static char buf[8096];
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static void
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handler(int i __unused) {
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_exit(0);
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}
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/* Stir /dev/proc */
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static void
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churning(void) {
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pid_t r;
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int fd, status;
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for (;;) {
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r = fork();
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if (r == 0) {
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if ((fd = open("/proc/curproc/mem", O_RDONLY)) == -1)
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err(1, "open(/proc/curproc/mem)");
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bzero(buf, sizeof(buf));
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_exit(0);
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}
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if (r < 0) {
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perror("fork");
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exit(2);
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}
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wait(&status);
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}
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}
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/* Get files for each proc */
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void
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list(void)
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{
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struct dirent *dp;
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struct kinfo_file *freep;
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struct kinfo_vmentry *freep_vm;
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struct stat sb;
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pid_t pid;
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off_t base;
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long l;
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int cnt, fd, n;
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int space = sizeof(buf);
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char *bp = buf;
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char *dummy;
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if ((fd = open("/proc", O_RDONLY)) == -1)
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err(1, "open(%s)", "/proc");
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if (fstat(fd, &sb) == -1)
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err(1, "fstat()");
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do {
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if ((n = getdirentries(fd, bp, space, &base)) == -1)
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err(1, "getdirentries");
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space = space - n;
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if (space < sb.st_blksize)
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break;
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bp = bp + n;
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} while (n != 0);
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close(fd);
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bp = buf;
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dp = (struct dirent *)bp;
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for (;;) {
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#if defined(DEBUG)
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printf("name: %-10s, inode %7ju, type %2d, namelen %d, "
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"d_reclen %d\n",
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dp->d_name, (uintmax_t)dp->d_fileno, dp->d_type,
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dp->d_namlen, dp->d_reclen); fflush(stdout);
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#endif
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if (dp->d_type == DT_DIR &&
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(dp->d_name[0] >= '0' && dp->d_name[0] <= '9')) {
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l = strtol(dp->d_name, &dummy, 10);
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pid = l;
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/* The tests start here */
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freep = kinfo_getfile(pid, &cnt);
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free(freep);
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freep_vm = kinfo_getvmmap(pid, &cnt);
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free(freep_vm);
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/* End test */
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}
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bp = bp + dp->d_reclen;
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dp = (struct dirent *)bp;
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if (dp->d_reclen <= 0)
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break;
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}
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}
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int
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main(void)
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{
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pid_t r;
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signal(SIGALRM, handler);
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alarm(60);
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if ((r = fork()) == 0) {
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alarm(60);
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for (;;)
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churning();
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}
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if (r < 0) {
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perror("fork");
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exit(2);
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}
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for (;;)
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list();
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return (0);
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}
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