2 * Copyright (c) 2016 Katerina Koukiou <k.koukiou@gmail.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/syscall.h>
31 #if defined __NR_openat
41 static const char sample[] = "openat.sample";
44 fd = syscall(__NR_openat, -100, sample, O_RDONLY|O_CREAT, 0400);
46 if (errno == ENOSYS) {
47 printf("openat(AT_FDCWD, \"%s\", O_RDONLY|O_CREAT"
48 ", 0400) = -1 ENOSYS (%m)\n", sample);
50 perror_msg_and_fail("openat");
53 printf("openat(AT_FDCWD, \"%s\", O_RDONLY|O_CREAT"
54 ", 0400) = %d\n", sample, fd);
56 if (unlink(sample) == -1)
57 perror_msg_and_fail("unlink");
58 fd = syscall(__NR_openat, -100, sample, O_RDONLY);
59 if (fd == -1 && errno == ENOENT) {
60 printf("openat(AT_FDCWD, \"%s\", O_RDONLY) = %d ENOENT"
61 " (%m)\n", sample, fd);
63 perror_msg_and_fail("openat");
67 puts("+++ exited with 0 +++");
73 SKIP_MAIN_UNDEFINED("__NR_openat")