4 # Copyright (c) 2010 Peter Holm <pho@FreeBSD.org>
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted provided that the following conditions
10 # 1. Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # 2. Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in the
14 # documentation and/or other materials provided with the distribution.
16 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 # panic: deadlkres: possible deadlock detected for 0xc8576a00, blocked for 1801792 ticks
33 [ `id -u ` -ne 0 ] && echo "Must be root!" && exit 1
39 sed '1,/^EOF/d' < $odir/$0 > tmpfs6.c
40 mycc -o tmpfs6 -Wall -Wextra -O2 tmpfs6.c || exit 1
43 mount | grep $mntpoint | grep -q tmpfs && umount $mntpoint
44 mount -t tmpfs tmpfs $mntpoint
46 (cd $mntpoint; /tmp/tmpfs6)
49 while mount | grep $mntpoint | grep -q tmpfs; do
50 umount $mntpoint || sleep 1
54 #include <sys/types.h>
65 #define FILESIZE (32 * 1024)
66 char wbuffer[FILESIZE];
76 snprintf(filename, sizeof(filename), "file.%07d", getpid());
77 if ((fd = open(filename, O_CREAT | O_TRUNC | O_RDWR, S_IRWXU)) == -1)
78 err(1, "open(%s)", filename);
80 if ((len = write(fd, wbuffer, FILESIZE)) != FILESIZE)
85 if ((addr = mmap(NULL, FILESIZE, PROT_READ | PROT_WRITE , MAP_SHARED, fd, 0)) == MAP_FAILED)
88 if (lseek(fd, 0, SEEK_SET) != 0)
91 if ((len = write(fd, addr, FILESIZE)) != FILESIZE)
94 if (munmap(addr, FILESIZE) == -1)
106 for (i = 0; i < 10000; i++)