4 # Copyright (c) 2009 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
31 # With lookup_shared=1 rename() will fail from time to time with ENOENT and
32 # the following stat() will succeed. (Variation of rename.sh)
36 sed '1,/^EOF/d' < $here/$0 > rename.c
37 cc -o rename -Wall rename.c
41 rm -rf /tmp/rename.dir.*
50 rm -rf /tmp/rename.dir.*
59 #include <sys/types.h>
62 static char dir1[128];
63 static char dir2[128];
66 main(int argc, char **argv)
71 sprintf(dir1, "/tmp/rename.dir.%d", getpid());
72 sprintf(dir2, "/tmp/rename.dir.2.%d", getpid());
73 if (mkdir(dir1, 0700) == -1)
74 err(1, "mkdir(%s)", dir1);
76 if (chdir(dir1) == -1)
77 err(1, "chdir(%s)", dir1);
78 if (chdir("..") == -1)
79 err(1, "chdir(%s)", "..");
81 for (i = 0; i < 100000; i++) {
82 if (rename(dir1, dir2) == -1) {
83 warn("rename(%s, %s)", dir1, dir2);
84 if (stat(dir1, &sb) == -1)
85 err(1, "stat(%s)", dir1);
87 errx(1, "stat(%s) succeeded!", dir1);
89 if (rename(dir2, dir1) == -1) {
90 warn("rename(%s, %s)", dir2, dir1);
91 if (stat(dir2, &sb) == -1)
92 err(1, "stat(%s)", dir2);
94 errx(1, "stat(%s) succeeded!", dir2);
98 if (rmdir(dir1) == -1)
99 err(1, "rmdir(%s)", dir1);