include/lib/base/eerror.h

   1 #ifndef __E_ERROR__
   2 #define __E_ERROR__
   3
   4 // to use memleak check change the following in configure.ac
   5 // * add -rdynamic to LD_FLAGS
   6 // * add -DMEMLEAK_CHECK to CPP_FLAGS
   7
   8 #ifdef MEMLEAK_CHECK
   9 #define BACKTRACE_DEPTH 10
  10 #include <map>
  11 #include <lib/system/elock.h>
  12 #include <execinfo.h>
  13 #include <string>
  14 #include <new>
  15 #include <cxxabi.h>
  16 #endif // MEMLEAK_CHECK
  17
  18 #ifndef NULL
  19 #define NULL 0
  20 #endif
  21
  22 #include <libsig_comp.h>
  23 #include <config.h>
  24
  25 class eString;
  26
  27 void eFatal(const char* fmt, ...);
  28
  29 enum { lvlDebug=1, lvlWarning=2, lvlFatal=4 };
  30
  31 extern Signal2<void, int, const eString&> logOutput;
  32 extern int logOutputConsole;
  33
  34 #ifdef ASSERT
  35 #undef ASSERT
  36 #endif
  37
  38 #ifdef DEBUG
  39 void eDebug(const char* fmt, ...);
  40 void eDebugNoNewLine(const char* fmt, ...);
  41 void eWarning(const char* fmt, ...);
  42 #define ASSERT(x) { if (!(x)) eFatal("%s:%d ASSERTION %s FAILED!", __FILE__, __LINE__, #x); }
  43
  44 #ifdef MEMLEAK_CHECK
  45 typedef struct
  46 {
  47         unsigned int address;
  48         unsigned int size;
  49         char *file;
  50         void *backtrace[BACKTRACE_DEPTH];
  51         unsigned char btcount;
  52         unsigned short line;
  53         unsigned char type;
  54 } ALLOC_INFO;
  55
  56 typedef std::map<unsigned int, ALLOC_INFO> AllocList;
  57
  58 extern AllocList *allocList;
  59 extern pthread_mutex_t memLock;
  60
  61 static inline void AddTrack(unsigned int addr,  unsigned int asize,  const char *fname, unsigned int lnum, unsigned int type)
  62 {
  63         ALLOC_INFO info;
  64
  65         if(!allocList)
  66                 allocList = new(AllocList);
  67
  68         info.address = addr;
  69         info.file = strdup(fname);
  70         info.line = lnum;
  71         info.size = asize;
  72         info.type = type;
  73         info.btcount = backtrace( info.backtrace, BACKTRACE_DEPTH );
  74         singleLock s(memLock);
  75         (*allocList)[addr]=info;
  76 };
  77
  78 static inline void RemoveTrack(unsigned int addr, unsigned int type)
  79 {
  80         if(!allocList)
  81                 return;
  82         AllocList::iterator i;
  83         singleLock s(memLock);
  84         i = allocList->find(addr);
  85         if ( i != allocList->end() )
  86         {
  87                 if ( i->second.type != type )
  88                         i->second.type=3;
  89                 else
  90                 {
  91                         free(i->second.file);
  92                         allocList->erase(i);
  93                 }
  94         }
  95 };
  96
  97 inline void * operator new(unsigned int size, const char *file, int line)
  98 {
  99         void *ptr = (void *)malloc(size);
 100         AddTrack((unsigned int)ptr, size, file, line, 1);
 101         return(ptr);
 102 };
 103
 104 inline void operator delete(void *p)
 105 {
 106         RemoveTrack((unsigned int)p,1);
 107         free(p);
 108 };
 109
 110 inline void * operator new[](unsigned int size, const char *file, int line)
 111 {
 112         void *ptr = (void *)malloc(size);
 113         AddTrack((unsigned int)ptr, size, file, line, 2);
 114         return(ptr);
 115 };
 116
 117 inline void operator delete[](void *p)
 118 {
 119         RemoveTrack((unsigned int)p, 2);
 120         free(p);
 121 };
 122
 123 void DumpUnfreed();
 124
 125 #define new new(__FILE__, __LINE__)
 126
 127 #endif // MEMLEAK_CHECK
 128
 129 #else
 130     inline void eDebug(const char* fmt, ...)
 131     {
 132     }
 133
 134     inline void eDebugNoNewLine(const char* fmt, ...)
 135     {
 136     }
 137
 138     inline void eWarning(const char* fmt, ...)
 139     {
 140     }
 141     #define ASSERT(x) do { } while (0)
 142 #endif //DEBUG
 143
 144 #endif // __E_ERROR__