LCOV - code coverage report
Current view: top level - strace - fanotify.c (source / functions) Hit Total Coverage
Test: strace-4.18.0.129.97bbb Code Coverage Lines: 23 23 100.0 %
Date: 2017-07-31 03:46:08 Functions: 2 2 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 4 4 100.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
       3                 :            :  * Copyright (c) 2014-2017 The strace developers.
       4                 :            :  * All rights reserved.
       5                 :            :  *
       6                 :            :  * Redistribution and use in source and binary forms, with or without
       7                 :            :  * modification, are permitted provided that the following conditions
       8                 :            :  * are met:
       9                 :            :  * 1. Redistributions of source code must retain the above copyright
      10                 :            :  *    notice, this list of conditions and the following disclaimer.
      11                 :            :  * 2. Redistributions in binary form must reproduce the above copyright
      12                 :            :  *    notice, this list of conditions and the following disclaimer in the
      13                 :            :  *    documentation and/or other materials provided with the distribution.
      14                 :            :  * 3. The name of the author may not be used to endorse or promote products
      15                 :            :  *    derived from this software without specific prior written permission.
      16                 :            :  *
      17                 :            :  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
      18                 :            :  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
      19                 :            :  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
      20                 :            :  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
      21                 :            :  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
      22                 :            :  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      23                 :            :  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      24                 :            :  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      25                 :            :  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
      26                 :            :  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
      27                 :            :  */
      28                 :            : 
      29                 :            : #include "defs.h"
      30                 :            : 
      31                 :            : #include "xlat/fan_classes.h"
      32                 :            : #include "xlat/fan_init_flags.h"
      33                 :            : 
      34                 :            : #ifndef FAN_ALL_CLASS_BITS
      35                 :            : # define FAN_ALL_CLASS_BITS (FAN_CLASS_NOTIF | FAN_CLASS_CONTENT | FAN_CLASS_PRE_CONTENT)
      36                 :            : #endif
      37                 :            : #ifndef FAN_NOFD
      38                 :            : # define FAN_NOFD -1
      39                 :            : #endif
      40                 :            : 
      41                 :         16 : SYS_FUNC(fanotify_init)
      42                 :            : {
      43                 :         16 :         unsigned int flags = tcp->u_arg[0];
      44                 :            : 
      45                 :         16 :         printxval(fan_classes, flags & FAN_ALL_CLASS_BITS, "FAN_CLASS_???");
      46                 :         16 :         flags &= ~FAN_ALL_CLASS_BITS;
      47         [ +  + ]:         16 :         if (flags) {
      48                 :          8 :                 tprints("|");
      49                 :            :                 printflags(fan_init_flags, flags, "FAN_???");
      50                 :            :         }
      51                 :         16 :         tprints(", ");
      52                 :         16 :         tprint_open_modes((unsigned) tcp->u_arg[1]);
      53                 :            : 
      54                 :         16 :         return RVAL_DECODED | RVAL_FD;
      55                 :            : }
      56                 :            : 
      57                 :            : #include "xlat/fan_mark_flags.h"
      58                 :            : #include "xlat/fan_event_flags.h"
      59                 :            : 
      60                 :       1154 : SYS_FUNC(fanotify_mark)
      61                 :            : {
      62                 :       1154 :         printfd(tcp, tcp->u_arg[0]);
      63                 :       1154 :         tprints(", ");
      64                 :       1154 :         printflags(fan_mark_flags, tcp->u_arg[1], "FAN_MARK_???");
      65                 :       1154 :         tprints(", ");
      66                 :            :         /*
      67                 :            :          * the mask argument is defined as 64-bit,
      68                 :            :          * but kernel uses the lower 32 bits only.
      69                 :            :          */
      70                 :       1154 :         unsigned long long mask = 0;
      71                 :       1154 :         int argn = getllval(tcp, &mask, 2);
      72                 :            : #ifdef HPPA
      73                 :            :         /* Parsic is weird.  See arch/parisc/kernel/sys_parisc32.c.  */
      74                 :            :         mask = (mask << 32) | (mask >> 32);
      75                 :            : #endif
      76                 :       1154 :         printflags64(fan_event_flags, mask, "FAN_???");
      77                 :       1154 :         tprints(", ");
      78         [ +  + ]:       1154 :         if ((int) tcp->u_arg[argn] == FAN_NOFD)
      79                 :        288 :                 tprints("FAN_NOFD, ");
      80                 :            :         else
      81                 :        866 :                 print_dirfd(tcp, tcp->u_arg[argn]);
      82                 :       1154 :         printpath(tcp, tcp->u_arg[argn + 1]);
      83                 :            : 
      84                 :       1154 :         return RVAL_DECODED;
      85                 :            : }

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