1  /* Basic fanotify test.
       2     Copyright (C) 2013-2023 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     <https://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"