common/dbgnew.hh

   1 /******************************************************************************
   2  * Copyright (c) 2000-2016 Ericsson Telecom AB
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Eclipse Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/epl-v10.html
   7  *
   8  * Contributors:
   9  *   Balasko, Jeno
  10  *   Raduly, Csaba
  11  *
  12  ******************************************************************************/
  13 #ifndef DBGNEW_HH
  14 #define DBGNEW_HH
  15
  16 #ifndef _Common_memory_H
  17 #include "memory.h"
  18 #endif
  19
  20 #include <new>
  21
  22 #ifdef MEMORY_DEBUG
  23
  24 class debug_new_counter_t
  25 {
  26   static int count;
  27   static const char * progname;
  28 public:
  29   debug_new_counter_t();
  30   ~debug_new_counter_t();
  31   void set_program_name(const char *pgn);
  32 };
  33 // implementation in new.cc
  34
  35 // An instance for every translation unit. Because each instance is constructed
  36 // before main() and probably before any other global object,
  37 // it is destroyed after main() ends and all global objects are destroyed.
  38 // The last destructor runs check_mem_leak().
  39 static debug_new_counter_t debug_new_counter;
  40
  41 // Custom placement new for memory tracking
  42 void* operator new(size_t size, const char* file, int line);
  43 void* operator new[](size_t size, const char* file, int line);
  44
  45 // TODO: these might be GCC version dependant
  46 void* operator new(size_t size, const std::nothrow_t&, const char* file, int line);
  47 void* operator new[](size_t size, const std::nothrow_t&, const char* file, int line);
  48
  49 inline void* operator new(size_t, void* __p, const char*, int) { return __p; }
  50 inline void* operator new[](size_t, void* __p, const char*, int) { return __p; }
  51
  52 // Redirect "normal" new to memory-tracking placement new.
  53 #define new(...) new(__VA_ARGS__, __FILE__, __LINE__)
  54
  55 #endif // MEMORY_DEBUG
  56
  57 #endif