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LCOV - code coverage report
Current view: top level - usr/include/c++/4.4.7 - new (source / functions) Hit Total Coverage
Test: PHP Code Coverage Lines: 1 2 50.0 %
Date: 2014-08-04 Functions: 1 2 50.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : // The -*- C++ -*- dynamic memory management header.
       2             : 
       3             : // Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
       4             : // 2003, 2004, 2005, 2006, 2007, 2009
       5             : // Free Software Foundation
       6             : 
       7             : // This file is part of GCC.
       8             : //
       9             : // GCC is free software; you can redistribute it and/or modify
      10             : // it under the terms of the GNU General Public License as published by
      11             : // the Free Software Foundation; either version 3, or (at your option)
      12             : // any later version.
      13             : // 
      14             : // GCC is distributed in the hope that it will be useful,
      15             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      16             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17             : // GNU General Public License for more details.
      18             : // 
      19             : // Under Section 7 of GPL version 3, you are granted additional
      20             : // permissions described in the GCC Runtime Library Exception, version
      21             : // 3.1, as published by the Free Software Foundation.
      22             : 
      23             : // You should have received a copy of the GNU General Public License and
      24             : // a copy of the GCC Runtime Library Exception along with this program;
      25             : // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      26             : // <http://www.gnu.org/licenses/>.
      27             : 
      28             : /** @file new
      29             :  *  This is a Standard C++ Library header.
      30             :  *
      31             :  *  The header @c new defines several functions to manage dynamic memory and
      32             :  *  handling memory allocation errors; see
      33             :  *  http://gcc.gnu.org/onlinedocs/libstdc++/18_support/howto.html#4 for more.
      34             :  */
      35             : 
      36             : #ifndef _NEW
      37             : #define _NEW
      38             : 
      39             : #include <cstddef>
      40             : #include <exception>
      41             : 
      42             : #pragma GCC visibility push(default)
      43             : 
      44             : extern "C++" {
      45             : 
      46             : namespace std 
      47             : {
      48             :   /**
      49             :    *  @brief  Exception possibly thrown by @c new.
      50             :    *  @ingroup exceptions
      51             :    *
      52             :    *  @c bad_alloc (or classes derived from it) is used to report allocation
      53             :    *  errors from the throwing forms of @c new.  */
      54             :   class bad_alloc : public exception 
      55             :   {
      56             :   public:
      57             :     bad_alloc() throw() { }
      58             : 
      59             :     // This declaration is not useless:
      60             :     // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
      61             :     virtual ~bad_alloc() throw();
      62             : 
      63             :     // See comment in eh_exception.cc.
      64             :     virtual const char* what() const throw();
      65             :   };
      66             : 
      67             :   struct nothrow_t { };
      68             : 
      69             :   extern const nothrow_t nothrow;
      70             : 
      71             :   /** If you write your own error handler to be called by @c new, it must
      72             :    *  be of this type.  */
      73             :   typedef void (*new_handler)();
      74             : 
      75             :   /// Takes a replacement handler as the argument, returns the
      76             :   /// previous handler.
      77             :   new_handler set_new_handler(new_handler) throw();
      78             : } // namespace std
      79             : 
      80             : //@{
      81             : /** These are replaceable signatures:
      82             :  *  - normal single new and delete (no arguments, throw @c bad_alloc on error)
      83             :  *  - normal array new and delete (same)
      84             :  *  - @c nothrow single new and delete (take a @c nothrow argument, return
      85             :  *    @c NULL on error)
      86             :  *  - @c nothrow array new and delete (same)
      87             :  *
      88             :  *  Placement new and delete signatures (take a memory address argument,
      89             :  *  does nothing) may not be replaced by a user's program.
      90             : */
      91             : void* operator new(std::size_t) throw (std::bad_alloc);
      92             : void* operator new[](std::size_t) throw (std::bad_alloc);
      93             : void operator delete(void*) throw();
      94             : void operator delete[](void*) throw();
      95             : void* operator new(std::size_t, const std::nothrow_t&) throw();
      96             : void* operator new[](std::size_t, const std::nothrow_t&) throw();
      97             : void operator delete(void*, const std::nothrow_t&) throw();
      98             : void operator delete[](void*, const std::nothrow_t&) throw();
      99             : 
     100             : // Default placement versions of operator new.
     101         178 : inline void* operator new(std::size_t, void* __p) throw() { return __p; }
     102             : inline void* operator new[](std::size_t, void* __p) throw() { return __p; }
     103             : 
     104             : // Default placement versions of operator delete.
     105           0 : inline void  operator delete  (void*, void*) throw() { }
     106             : inline void  operator delete[](void*, void*) throw() { }
     107             : //@}
     108             : } // extern "C++"
     109             : 
     110             : #pragma GCC visibility pop
     111             : 
     112             : #endif

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Generated at Mon, 04 Aug 2014 15:48:57 +0000 (17 days ago)

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