LCOV - code coverage report
Current view: top level - strace - membarrier.c (source / functions) Hit Total Coverage
Test: strace-4.18.0.129.97bbb Code Coverage Lines: 9 9 100.0 %
Date: 2017-07-31 03:46:08 Functions: 1 1 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 6 8 75.0 %

           Branch data     Line data    Source code
       1                 :            : /*
       2                 :            :  * Copyright (c) 2015 Dmitry V. Levin <ldv@altlinux.org>
       3                 :            :  * Copyright (c) 2015-2017 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/membarrier_cmds.h"
      32                 :            : 
      33                 :          6 : SYS_FUNC(membarrier)
      34                 :            : {
      35         [ +  + ]:          6 :         if (entering(tcp)) {
      36                 :          4 :                 int cmd = tcp->u_arg[0], flags = tcp->u_arg[1];
      37                 :            : 
      38                 :          4 :                 printxval(membarrier_cmds, cmd, "MEMBARRIER_CMD_???");
      39                 :          4 :                 tprintf(", %d", flags);
      40                 :            : 
      41         [ +  + ]:          4 :                 return cmd ? RVAL_DECODED : 0;
      42                 :            :         }
      43                 :            : 
      44 [ +  - ][ +  - ]:          2 :         if (syserror(tcp) || !tcp->u_rval)
      45                 :            :                 return 0;
      46                 :            : 
      47                 :          2 :         tcp->auxstr = sprintflags("", membarrier_cmds,
      48                 :            :                                   (kernel_ulong_t) tcp->u_rval);
      49                 :          2 :         return RVAL_HEX | RVAL_STR;
      50                 :            : }

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