sysdeps/unix/sysv/linux/tst-fanotify.c

   1 /* Basic fanotify test.
   2    Copyright (C) 2013-2018 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <config.h>
  20 #include <errno.h>
  21 #include <fcntl.h>
  22 #include <stdio.h>
  23 #include <sys/fanotify.h>
  24
  25 static int
  26 do_test (void)
  27 {
  28   int fd, ret;
  29
  30   fd = fanotify_init (0, 0);
  31   if (fd < 0)
  32     {
  33       switch (errno)
  34         {
  35         case ENOSYS:
  36           puts ("SKIP: missing support for fanotify (check CONFIG_FANOTIFY=y)");
  37           return 0;
  38         case EPERM:
  39           puts ("SKIP: missing proper permissions for runtime test");
  40           return 0;
  41         }
  42
  43       perror ("fanotify_init (0, 0) failed");
  44       return 1;
  45     }
  46
  47   ret = fanotify_mark (fd, FAN_MARK_ADD | FAN_MARK_MOUNT, FAN_ACCESS
  48                        | FAN_MODIFY | FAN_OPEN | FAN_CLOSE | FAN_ONDIR
  49                        | FAN_EVENT_ON_CHILD, AT_FDCWD, ".");
  50   if (ret)
  51     {
  52       perror ("fanotify_mark (...) failed");
  53       return 1;
  54     }
  55
  56   puts ("All OK");
  57   return 0;
  58 }
  59
  60 #define TEST_FUNCTION do_test ()
  61 #include "../test-skeleton.c"