00001 /*************************************************************************** 00002 ** 00003 ** This file is part of QGpCoreTools. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2007-01-29 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (LGIT, Grenoble, France) 00025 ** 00026 ***************************************************************************/ 00027 00028 #ifndef MEMORYCHECKERPRIVATE_H 00029 #define MEMORYCHECKERPRIVATE_H 00030 00031 #ifdef MEMORY_CHECKER 00032 00033 #include <QtCore> 00034 00035 namespace QGpCoreTools { 00036 00037 #ifdef Q_WS_X11 // dll mechanism does not allow a secure allocation 00038 // unless Qt is linked with this dll (this was the reason for qtbdebugmem.dll) 00039 #define DO_MEMORY_CHECK 00040 #endif 00041 #define ABORT_ON_WARNING 00042 00043 // defines for new,... must be removed because they are defined here as functions 00044 #undef new 00045 #undef isBlockDamaged 00046 #undef printBlockInfo 00047 00048 #ifdef DO_MEMORY_CHECK 00049 00050 struct BlockInfo 00051 { 00052 void * blockAddress; 00053 unsigned int sz; 00054 bool record; // true if this block must be reported as undeleted if still in memory 00055 const char * fName; 00056 int fLine; 00057 BlockInfo * next; 00058 BlockInfo * previous; 00059 }; 00060 00061 #define NOMANSLAND_SIZE 16 00062 #define HEADER_SIZE (sizeof(BlockInfo *)+NOMANSLAND_SIZE) 00063 #define TAIL_SIZE NOMANSLAND_SIZE 00064 00065 class MemoryCheckerPrivate 00066 { 00067 public: 00068 static inline void* allocateBlock(std::size_t sz, const char* file, int line); 00069 static inline void freeBlock(void* v); 00070 00071 static void setEnabled(bool e) {_enabled=e;} 00072 static bool isEnabled() {return _enabled;} 00073 00074 static void setRecord(bool r) {_record=r;} 00075 static void setVerbose(bool v) {_verbose=v;} 00076 00077 static void checkBlocks(bool showLib, bool showUndeleted, const char* file, int line); 00078 static bool isBlockDamaged(void* v, const char* file, int line); 00079 static void printBlockInfo(void * ptr, const char* file, int line); 00080 private: 00081 static void printHeader(FILE * f, const char * prefix, unsigned char * ptr); 00082 static inline bool testNoMansLand(unsigned char * ptr); 00083 static inline BlockInfo * addBlock(void * blockAddress, unsigned int sz, const char * fName, int fLine); 00084 static inline void delBlock(BlockInfo * b); 00085 static inline BlockInfo * findBlock(void * blockAddress); 00086 static inline void srcLocation(const char * fName, int fLine); 00087 static inline void srcLocation(BlockInfo * b); 00088 00089 static bool _enabled; 00090 static bool _record; 00091 static bool _verbose; 00092 static BlockInfo * _infos; 00093 static QMutex _mutex; 00094 }; 00095 00096 #endif // DO_MEMORY_CHECK 00097 00098 } // namespace QGpCoreTools 00099 00100 #endif // MEMORY_CHECKER 00101 00102 #endif // MEMORYCHECKERPRIVATE_H
