wpkg test coverage results

Coverage test results of the Windows Packager by Made to Order Software Corporation.

LCOV - code coverage report
Current view: top level - usr/include/c++/4.6/ext - atomicity.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 13 19 68.4 %
Date: 2013-08-28 Functions: 4 6 66.7 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : // Support for atomic operations -*- C++ -*-
       2             : 
       3             : // Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010
       4             : // Free Software Foundation, Inc.
       5             : //
       6             : // This file is part of the GNU ISO C++ Library.  This library is free
       7             : // software; you can redistribute it and/or modify it under the
       8             : // terms of the GNU General Public License as published by the
       9             : // Free Software Foundation; either version 3, or (at your option)
      10             : // any later version.
      11             : 
      12             : // This library is distributed in the hope that it will be useful,
      13             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      14             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15             : // GNU General Public License for more details.
      16             : 
      17             : // Under Section 7 of GPL version 3, you are granted additional
      18             : // permissions described in the GCC Runtime Library Exception, version
      19             : // 3.1, as published by the Free Software Foundation.
      20             : 
      21             : // You should have received a copy of the GNU General Public License and
      22             : // a copy of the GCC Runtime Library Exception along with this program;
      23             : // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      24             : // <http://www.gnu.org/licenses/>.
      25             : 
      26             : /** @file ext/atomicity.h
      27             :  *  This file is a GNU extension to the Standard C++ Library.
      28             :  */
      29             : 
      30             : #ifndef _GLIBCXX_ATOMICITY_H
      31             : #define _GLIBCXX_ATOMICITY_H    1
      32             : 
      33             : #include <bits/c++config.h>
      34             : #include <bits/gthr.h>
      35             : #include <bits/atomic_word.h>
      36             : 
      37             : namespace __gnu_cxx _GLIBCXX_VISIBILITY(default)
      38             : {
      39             : _GLIBCXX_BEGIN_NAMESPACE_VERSION
      40             : 
      41             :   // Functions for portable atomic access.
      42             :   // To abstract locking primitives across all thread policies, use:
      43             :   // __exchange_and_add_dispatch
      44             :   // __atomic_add_dispatch
      45             : #ifdef _GLIBCXX_ATOMIC_BUILTINS_4
      46             :   static inline _Atomic_word 
      47           0 :   __exchange_and_add(volatile _Atomic_word* __mem, int __val)
      48           0 :   { return __sync_fetch_and_add(__mem, __val); }
      49             : 
      50             :   static inline void
      51           0 :   __atomic_add(volatile _Atomic_word* __mem, int __val)
      52           0 :   { __sync_fetch_and_add(__mem, __val); }
      53             : #else
      54             :   _Atomic_word
      55             :   __attribute__ ((__unused__))
      56             :   __exchange_and_add(volatile _Atomic_word*, int) throw ();
      57             : 
      58             :   void
      59             :   __attribute__ ((__unused__))
      60             :   __atomic_add(volatile _Atomic_word*, int) throw ();
      61             : #endif
      62             : 
      63             :   static inline _Atomic_word
      64     3853951 :   __exchange_and_add_single(_Atomic_word* __mem, int __val)
      65             :   {
      66     3853951 :     _Atomic_word __result = *__mem;
      67     3853951 :     *__mem += __val;
      68     3853951 :     return __result;
      69             :   }
      70             : 
      71             :   static inline void
      72     1690299 :   __atomic_add_single(_Atomic_word* __mem, int __val)
      73     1690299 :   { *__mem += __val; }
      74             : 
      75             :   static inline _Atomic_word
      76             :   __attribute__ ((__unused__))
      77     3853951 :   __exchange_and_add_dispatch(_Atomic_word* __mem, int __val)
      78             :   {
      79             : #ifdef __GTHREADS
      80     3853951 :     if (__gthread_active_p())
      81           0 :       return __exchange_and_add(__mem, __val);
      82             :     else
      83     3853951 :       return __exchange_and_add_single(__mem, __val);
      84             : #else
      85             :     return __exchange_and_add_single(__mem, __val);
      86             : #endif
      87             :   }
      88             : 
      89             :   static inline void
      90             :   __attribute__ ((__unused__))
      91     1690299 :   __atomic_add_dispatch(_Atomic_word* __mem, int __val)
      92             :   {
      93             : #ifdef __GTHREADS
      94     1690299 :     if (__gthread_active_p())
      95           0 :       __atomic_add(__mem, __val);
      96             :     else
      97     1690299 :       __atomic_add_single(__mem, __val);
      98             : #else
      99             :     __atomic_add_single(__mem, __val);
     100             : #endif
     101     1690299 :   }
     102             : 
     103             : _GLIBCXX_END_NAMESPACE_VERSION
     104             : } // namespace
     105             : 
     106             : // Even if the CPU doesn't need a memory barrier, we need to ensure
     107             : // that the compiler doesn't reorder memory accesses across the
     108             : // barriers.
     109             : #ifndef _GLIBCXX_READ_MEM_BARRIER
     110             : #define _GLIBCXX_READ_MEM_BARRIER __asm __volatile ("":::"memory")
     111             : #endif
     112             : #ifndef _GLIBCXX_WRITE_MEM_BARRIER
     113             : #define _GLIBCXX_WRITE_MEM_BARRIER __asm __volatile ("":::"memory")
     114             : #endif
     115             : 
     116             : #endif 

Generated by: LCOV version 1.9

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