include/c++/new

   1 // Standard C++ dynamic memory management header
   2
   3 #ifndef _NEW
   4 #define _NEW
   5
   6 #include <cstddef>
   7 #include <exception>
   8
   9 extern "C++" {
  10
  11 namespace std
  12 {
  13   class bad_alloc : public exception
  14   {
  15   public:
  16     bad_alloc() throw() { }
  17
  18     // This declaration is not useless:
  19     // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
  20     virtual ~bad_alloc() throw();
  21
  22     // See comment in eh_exception.cc.
  23     virtual const char* what() const throw();
  24   };
  25
  26   struct nothrow_t { };
  27
  28   extern const nothrow_t nothrow;
  29 } // namespace std
  30
  31 typedef void (*new_handler)();
  32
  33 new_handler set_new_handler(new_handler) throw();
  34
  35 void* operator new (std::size_t size, const std::nothrow_t& nothrow_constant) throw();
  36 inline void* operator new (std::size_t size, void* ptr) throw() { return ptr; }
  37 void* operator new[] (std::size_t size, const std::nothrow_t& nothrow_constant) throw();
  38 inline void* operator new[] (std::size_t size, void* ptr) throw() { return ptr; }
  39
  40 void operator delete (void* ptr) throw ();
  41 void operator delete (void* ptr, const std::nothrow_t& nothrow_constant) throw();
  42 inline void operator delete (void* ptr, void* voidptr2) throw() { }
  43 void operator delete[] (void* ptr) throw ();
  44 void operator delete[] (void* ptr, const std::nothrow_t& nothrow_constant) throw();
  45 inline void operator delete[] (void* ptr, void* voidptr2) throw() { }
  46 //@}
  47 } // extern "C++"
  48
  49 #endif