X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..642067e02a202feddc97255f1229e4e7378541d9:/src/common/memory.cpp diff --git a/src/common/memory.cpp b/src/common/memory.cpp index d8ad194662..7509750cd3 100644 --- a/src/common/memory.cpp +++ b/src/common/memory.cpp @@ -5,8 +5,8 @@ // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -33,20 +33,20 @@ #ifndef WX_PRECOMP #include "wx/utils.h" #include "wx/app.h" +#include "wx/hash.h" #endif -#include +#if wxUSE_THREADS +#include "wx/thread.h" +#endif + +#include "wx/log.h" #include #include "wx/ioswrap.h" -#if wxUSE_IOSTREAMH - #include -#else - #include -#endif - -#if !defined(__WATCOMC__) && !defined(__VMS__) && !defined( __MWERKS__ ) && !defined(__SALFORDC__) +#if !defined(__WATCOMC__) && !(defined(__VMS__) && ( __VMS_VER < 70000000 ) )\ + && !defined( __MWERKS__ ) && !defined(__SALFORDC__) #include #endif @@ -68,6 +68,13 @@ #include "wx/memory.h" +#if wxUSE_THREADS && defined(__WXDEBUG__) && !defined(__WXMAC__) +#define USE_THREADSAFE_MEMORY_ALLOCATION 1 +#else +#define USE_THREADSAFE_MEMORY_ALLOCATION 0 +#endif + + #ifdef new #undef new #endif @@ -110,10 +117,8 @@ */ void wxMemStruct::ErrorMsg (const char * mesg) { - wxLogDebug(wxT("wxWindows memory checking error: %s"), mesg); + wxLogMessage(wxT("wxWindows memory checking error: %s"), mesg); PrintNode (); - -// << m_fileName << ' ' << m_lineNum << endl; } /* @@ -121,10 +126,8 @@ void wxMemStruct::ErrorMsg (const char * mesg) */ void wxMemStruct::ErrorMsg () { - wxLogDebug(wxT("wxWindows over/underwrite memory error:")); + wxLogMessage(wxT("wxWindows over/underwrite memory error:")); PrintNode (); - -// cerr << m_fileName << ' ' << m_lineNum << endl; } @@ -343,11 +346,11 @@ void wxMemStruct::PrintNode () msg2.Printf(wxT(" at $%lX, size %d"), (long)GetActualData(), (int)RequestSize()); msg += msg2; - wxLogDebug(msg); + wxLogMessage(msg); } else { - wxString msg(""); + wxString msg(wxT("")); if (m_fileName) msg.Printf(wxT("%s(%d): "), m_fileName, (int)m_lineNum); @@ -356,7 +359,7 @@ void wxMemStruct::PrintNode () msg2.Printf(wxT(" at $%lX, size %d\n"), (long)GetActualData(), (int)RequestSize()); msg += msg2; - wxLogDebug(msg); + wxLogMessage(msg); } } @@ -385,11 +388,11 @@ void wxMemStruct::Dump () else msg += wxT("unknown object class"); - wxString msg2(""); + wxString msg2(wxT("")); msg2.Printf(wxT(" at $%lX, size %d"), (long)GetActualData(), (int)RequestSize()); msg += msg2; - wxLogDebug(msg); + wxLogMessage(msg); } else { @@ -397,10 +400,10 @@ void wxMemStruct::Dump () if (m_fileName) msg.Printf(wxT("%s(%d): "), m_fileName, (int)m_lineNum); - wxString msg2(""); + wxString msg2(wxT("")); msg2.Printf(wxT("non-object data at $%lX, size %d"), (long)GetActualData(), (int)RequestSize() ); msg += msg2; - wxLogDebug(msg); + wxLogMessage(msg); } } @@ -418,7 +421,7 @@ int wxMemStruct::ValidateNode () else { // Can't use the error routines as we have no recognisable object. #ifndef __WXGTK__ - wxLogDebug(wxT("Can't verify memory struct - all bets are off!")); + wxLogMessage(wxT("Can't verify memory struct - all bets are off!")); #endif } return 0; @@ -460,90 +463,25 @@ int wxMemStruct::ValidateNode () wxMemStruct *wxDebugContext::m_head = NULL; wxMemStruct *wxDebugContext::m_tail = NULL; -// ostream *wxDebugContext::m_debugStream = NULL; -// streambuf *wxDebugContext::m_streamBuf = NULL; - -// Must initialise these in wxEntry, and then delete them just before wxEntry exits -streambuf *wxDebugContext::m_streamBuf = NULL; -ostream *wxDebugContext::m_debugStream = NULL; bool wxDebugContext::m_checkPrevious = FALSE; int wxDebugContext::debugLevel = 1; bool wxDebugContext::debugOn = TRUE; wxMemStruct *wxDebugContext::checkPoint = NULL; +// For faster alignment calculation +static wxMarkerType markerCalc[2]; +int wxDebugContext::m_balign = (int)((char *)&markerCalc[1] - (char*)&markerCalc[0]); +int wxDebugContext::m_balignmask = (int)((char *)&markerCalc[1] - (char*)&markerCalc[0]) - 1; + wxDebugContext::wxDebugContext(void) { -// m_streamBuf = new wxDebugStreamBuf; -// m_debugStream = new ostream(m_streamBuf); } wxDebugContext::~wxDebugContext(void) { - SetStream(NULL, NULL); -} - -/* - * It's bizarre, but with BC++ 4.5, the value of str changes - * between SetFile and SetStream. - */ - -void wxDebugContext::SetStream(ostream *str, streambuf *buf) -{ - if (m_debugStream) - { - m_debugStream->flush(); - delete m_debugStream; - } - m_debugStream = NULL; - - // Not allowed in Watcom (~streambuf is protected). - // Is this trying to say something significant to us?? -#ifndef __WATCOMC__ - if (m_streamBuf) - { - streambuf* oldBuf = m_streamBuf; - m_streamBuf = NULL; - delete oldBuf; - } -#endif - m_streamBuf = buf; - m_debugStream = str; -} - -bool wxDebugContext::SetFile(const wxString& file) -{ - ofstream *str = new ofstream(file.fn_str()); - - if (str->bad()) - { - delete str; - return FALSE; - } - else - { - SetStream(str); - return TRUE; - } -} - -bool wxDebugContext::SetStandardError(void) -{ - // Obsolete -#if 0 -#if !defined(_WINDLL) - wxDebugStreamBuf *buf = new wxDebugStreamBuf; - ostream *stream = new ostream(m_streamBuf); - SetStream(stream, buf); - return TRUE; -#else - return FALSE; -#endif -#endif - return FALSE; } - /* Work out the positions of the markers by creating an array of 2 markers and comparing the addresses of the 2 elements. Use this number as the @@ -595,6 +533,9 @@ char * wxDebugContext::StartPos (const char * caller) I don't know how portable this stuff is, but it seems to work for me at the moment. It would be real nice if I knew more about this! + + // Note: this function is now obsolete (along with CalcAlignment) + // because the calculations are done statically, for greater speed. */ size_t wxDebugContext::GetPadding (const size_t size) { @@ -602,11 +543,17 @@ size_t wxDebugContext::GetPadding (const size_t size) return (pad) ? sizeof(wxMarkerType) - pad : 0; } - - size_t wxDebugContext::PaddedSize (const size_t size) { - return size + GetPadding (size); + // Added by Terry Farnham to replace + // slow GetPadding call. + int padb; + + padb = size & m_balignmask; + if(padb) + return(size + m_balign - padb); + else + return(size); } /* @@ -629,7 +576,8 @@ void wxDebugContext::TraverseList (PmSFV func, wxMemStruct *from) if (!from) from = wxDebugContext::GetHead (); - for (wxMemStruct * st = from; st != 0; st = st->m_next) + wxMemStruct * st = NULL; + for (st = from; st != 0; st = st->m_next) { void* data = st->GetActualData(); // if ((data != (void*)m_debugStream) && (data != (void*) m_streamBuf)) @@ -647,9 +595,6 @@ void wxDebugContext::TraverseList (PmSFV func, wxMemStruct *from) bool wxDebugContext::PrintList (void) { #ifdef __WXDEBUG__ -// if (!HasStream()) -// return FALSE; - TraverseList ((PmSFV)&wxMemStruct::PrintNode, (checkPoint ? checkPoint->m_next : (wxMemStruct*)NULL)); return TRUE; @@ -661,28 +606,25 @@ bool wxDebugContext::PrintList (void) bool wxDebugContext::Dump(void) { #ifdef __WXDEBUG__ -// if (!HasStream()) -// return FALSE; - -// if (TRUE) { - wxChar* appName = wxT("application"); - wxString appNameStr(""); + wxChar* appName = (wxChar*) wxT("application"); + wxString appNameStr(wxT("")); if (wxTheApp) { appNameStr = wxTheApp->GetAppName(); appName = WXSTRINGCAST appNameStr; - wxLogDebug(wxT("----- Memory dump of %s at %s -----"), appName, WXSTRINGCAST wxNow() ); + wxLogMessage(wxT("----- Memory dump of %s at %s -----"), appName, WXSTRINGCAST wxNow() ); } else { - wxLogDebug( wxT("----- Memory dump -----") ); + wxLogMessage( wxT("----- Memory dump -----") ); } } + TraverseList ((PmSFV)&wxMemStruct::Dump, (checkPoint ? checkPoint->m_next : (wxMemStruct*)NULL)); - wxLogDebug( wxT("") ); - wxLogDebug( wxT("") ); + wxLogMessage( wxT("") ); + wxLogMessage( wxT("") ); return TRUE; #else @@ -690,6 +632,7 @@ bool wxDebugContext::Dump(void) #endif } +#ifdef __WXDEBUG__ struct wxDebugStatsStruct { long instanceCount; @@ -714,26 +657,23 @@ static wxDebugStatsStruct *InsertStatsStruct(wxDebugStatsStruct *head, wxDebugSt st->next = head; return st; } +#endif bool wxDebugContext::PrintStatistics(bool detailed) { #ifdef __WXDEBUG__ -// if (!HasStream()) -// return FALSE; - -// if (TRUE) { - wxChar* appName = wxT("application"); + wxChar* appName = (wxChar*) wxT("application"); wxString appNameStr(wxT("")); if (wxTheApp) { appNameStr = wxTheApp->GetAppName(); appName = WXSTRINGCAST appNameStr; - wxLogDebug(wxT("----- Memory statistics of %s at %s -----"), appName, WXSTRINGCAST wxNow() ); + wxLogMessage(wxT("----- Memory statistics of %s at %s -----"), appName, WXSTRINGCAST wxNow() ); } else { - wxLogDebug( wxT("----- Memory statistics -----") ); + wxLogMessage( wxT("----- Memory statistics -----") ); } } @@ -754,15 +694,14 @@ bool wxDebugContext::PrintStatistics(bool detailed) for (st = from; st != 0; st = st->m_next) { void* data = st->GetActualData(); -// if (detailed && (data != (void*)m_debugStream) && (data != (void*) m_streamBuf)) - if (detailed && (data != (void*) wxLog::GetActiveTarget())) + if (detailed && (data != (void*) wxLog::GetActiveTarget())) { - wxChar *className = wxT("nonobject"); + wxChar *className = (wxChar*) wxT("nonobject"); if (st->m_isObject && st->GetActualData()) { wxObject *obj = (wxObject *)st->GetActualData(); if (obj->GetClassInfo()->GetClassName()) - className = obj->GetClassInfo()->GetClassName(); + className = (wxChar*)obj->GetClassInfo()->GetClassName(); } wxDebugStatsStruct *stats = FindStatsStruct(list, className); if (!stats) @@ -777,7 +716,6 @@ bool wxDebugContext::PrintStatistics(bool detailed) stats->totalSize += st->RequestSize(); } -// if ((data != (void*)m_debugStream) && (data != (void*) m_streamBuf)) if (data != (void*) wxLog::GetActiveTarget()) { totalSize += st->RequestSize(); @@ -792,43 +730,40 @@ bool wxDebugContext::PrintStatistics(bool detailed) { while (list) { - wxLogDebug(wxT("%ld objects of class %s, total size %ld"), + wxLogMessage(wxT("%ld objects of class %s, total size %ld"), list->instanceCount, list->instanceClass, list->totalSize); wxDebugStatsStruct *old = list; list = old->next; free((char *)old); } - wxLogDebug(wxT("")); + wxLogMessage(wxT("")); } SetDebugMode(currentMode); - wxLogDebug(wxT("Number of object items: %ld"), noObjectNodes); - wxLogDebug(wxT("Number of non-object items: %ld"), noNonObjectNodes); - wxLogDebug(wxT("Total allocated size: %ld"), totalSize); - wxLogDebug(wxT("")); - wxLogDebug(wxT("")); + wxLogMessage(wxT("Number of object items: %ld"), noObjectNodes); + wxLogMessage(wxT("Number of non-object items: %ld"), noNonObjectNodes); + wxLogMessage(wxT("Total allocated size: %ld"), totalSize); + wxLogMessage(wxT("")); + wxLogMessage(wxT("")); return TRUE; #else + (void)detailed; return FALSE; #endif } bool wxDebugContext::PrintClasses(void) { -// if (!HasStream()) -// return FALSE; - -// if (TRUE) { - wxChar* appName = wxT("application"); + wxChar* appName = (wxChar*) wxT("application"); wxString appNameStr(wxT("")); if (wxTheApp) { appNameStr = wxTheApp->GetAppName(); appName = WXSTRINGCAST appNameStr; - wxLogDebug(wxT("----- Classes in %s -----"), appName); + wxLogMessage(wxT("----- Classes in %s -----"), appName); } } @@ -840,7 +775,7 @@ bool wxDebugContext::PrintClasses(void) node = wxClassInfo::sm_classTable->Next(); while (node) { - info = (wxClassInfo *)node->Data(); + info = (wxClassInfo *)node->GetData(); if (info->GetClassName()) { wxString msg(info->GetClassName()); @@ -861,15 +796,15 @@ bool wxDebugContext::PrintClasses(void) if (info->GetConstructor()) msg += wxT(": dynamic"); - wxLogDebug(msg); + wxLogMessage(msg); } node = wxClassInfo::sm_classTable->Next(); n ++; } - wxLogDebug(wxT("")); - wxLogDebug(wxT("There are %d classes derived from wxObject."), n); - wxLogDebug(wxT("")); - wxLogDebug(wxT("")); + wxLogMessage(wxT("")); + wxLogMessage(wxT("There are %d classes derived from wxObject."), n); + wxLogMessage(wxT("")); + wxLogMessage(wxT("")); return TRUE; } @@ -916,7 +851,6 @@ int wxDebugContext::CountObjectsLeft(bool sinceCheckpoint) for (wxMemStruct * st = from; st != 0; st = st->m_next) { void* data = st->GetActualData(); -// if ((data != (void*)m_debugStream) && (data != (void*) m_streamBuf)) if (data != (void*) wxLog::GetActiveTarget()) n ++; } @@ -924,114 +858,50 @@ int wxDebugContext::CountObjectsLeft(bool sinceCheckpoint) return n ; } -/* - The global operator new used for everything apart from getting - dynamic storage within this function itself. -*/ - -// We'll only do malloc and free for the moment: leave the interesting -// stuff for the wxObject versions. - -#if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS - -#ifdef new -#undef new -#endif - -// Seems OK all of a sudden. Maybe to do with linking with multithreaded library? -#if 0 // def __VISUALC__ -#define NO_DEBUG_ALLOCATION -#endif - -// Unfortunately ~wxDebugStreamBuf doesn't work (VC++ 5) when we enable the debugging -// code. I have no idea why. In BC++ 4.5, we have a similar problem the debug -// stream myseriously changing pointer address between being passed from SetFile to SetStream. -// See docs/msw/issues.txt. -void * operator new (size_t size, wxChar * fileName, int lineNum) -{ -#ifdef NO_DEBUG_ALLOCATION - return malloc(size); -#else - return wxDebugAlloc(size, fileName, lineNum, FALSE, FALSE); -#endif -} - -// Added JACS 25/11/98 -void * operator new (size_t size) -{ -#ifdef NO_DEBUG_ALLOCATION - return malloc(size); -#else - return wxDebugAlloc(size, NULL, 0, FALSE); -#endif -} - -#if wxUSE_ARRAY_MEMORY_OPERATORS -void * operator new[] (size_t size) -{ -#ifdef NO_DEBUG_ALLOCATION - return malloc(size); -#else - return wxDebugAlloc(size, NULL, 0, FALSE, TRUE); -#endif -} -#endif - -#if wxUSE_ARRAY_MEMORY_OPERATORS -void * operator new[] (size_t size, wxChar * fileName, int lineNum) -{ -#ifdef NO_DEBUG_ALLOCATION - return malloc(size); -#else - return wxDebugAlloc(size, fileName, lineNum, FALSE, TRUE); -#endif -} -#endif - -void operator delete (void * buf) -{ -#ifdef NO_DEBUG_ALLOCATION - free((char*) buf); -#else - wxDebugFree(buf); -#endif -} +#if USE_THREADSAFE_MEMORY_ALLOCATION +static bool memSectionOk = FALSE; -// VC++ 6.0 -#if defined(__VISUALC__) && (__VISUALC__ >= 1200) -void operator delete(void* pData, wxChar* /* fileName */, int /* lineNum */) +class MemoryCriticalSection : public wxCriticalSection { -// ::operator delete(pData); - // JACS 21/11/1998: surely we need to call wxDebugFree? - wxDebugFree(pData, FALSE); -} -// New operator 21/11/1998 -void operator delete[](void* pData, char* /* fileName */, int /* lineNum */) -{ - wxDebugFree(pData, TRUE); -} -#endif - -#if wxUSE_ARRAY_MEMORY_OPERATORS +public: + MemoryCriticalSection() { + memSectionOk = TRUE; + } +}; -void operator delete[] (void * buf) +class MemoryCriticalSectionLocker { -#ifdef NO_DEBUG_ALLOCATION - free((char*) buf); -#else - wxDebugFree(buf, TRUE); -#endif -} -#endif +public: + inline MemoryCriticalSectionLocker(wxCriticalSection& critsect) + : m_critsect(critsect), m_locked(memSectionOk) { if(m_locked) m_critsect.Enter(); } + inline ~MemoryCriticalSectionLocker() { if(m_locked) m_critsect.Leave(); } + +private: + // no assignment operator nor copy ctor + MemoryCriticalSectionLocker(const MemoryCriticalSectionLocker&); + MemoryCriticalSectionLocker& operator=(const MemoryCriticalSectionLocker&); + + wxCriticalSection& m_critsect; + bool m_locked; +}; +static MemoryCriticalSection memLocker; #endif // TODO: store whether this is a vector or not. void * wxDebugAlloc(size_t size, wxChar * fileName, int lineNum, bool isObject, bool WXUNUSED(isVect) ) { +#if USE_THREADSAFE_MEMORY_ALLOCATION + MemoryCriticalSectionLocker lock(memLocker); +#endif + // If not in debugging allocation mode, do the normal thing // so we don't leave any trace of ourselves in the node list. +#if defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 ) +// VA 3.0 still has trouble in here + return (void *)malloc(size); +#endif if (!wxDebugContext::GetDebugMode()) { return (void *)malloc(size); @@ -1040,7 +910,7 @@ void * wxDebugAlloc(size_t size, wxChar * fileName, int lineNum, bool isObject, int totSize = wxDebugContext::TotSize (size); char * buf = (char *) malloc(totSize); if (!buf) { - wxLogDebug(wxT("Call to malloc (%ld) failed."), (long)size); + wxLogMessage(wxT("Call to malloc (%ld) failed."), (long)size); return 0; } wxMemStruct * st = (wxMemStruct *)buf; @@ -1081,9 +951,17 @@ void * wxDebugAlloc(size_t size, wxChar * fileName, int lineNum, bool isObject, // TODO: check whether was allocated as a vector void wxDebugFree(void * buf, bool WXUNUSED(isVect) ) { +#if USE_THREADSAFE_MEMORY_ALLOCATION + MemoryCriticalSectionLocker lock(memLocker); +#endif + if (!buf) return; +#if defined(__VISAGECPP__) && (__IBMCPP__ < 400 || __IBMC__ < 400 ) +// VA 3.0 still has trouble in here + free((char *)buf); +#endif // If not in debugging allocation mode, do the normal thing // so we don't leave any trace of ourselves in the node list. if (!wxDebugContext::GetDebugMode()) @@ -1117,16 +995,16 @@ void wxDebugFree(void * buf, bool WXUNUSED(isVect) ) (void) memset (wxDebugContext::CallerMemPos (startPointer), MemFillChar, st->RequestSize ()); - // Don't allow delayed freeing of memory in this version -// if (!wxDebugContext::GetDelayFree()) -// free((void *)st); free((char *)st); } // Trace: send output to the current debugging stream -void wxTrace(const wxChar *fmt ...) +void wxTrace(const wxChar * ...) { - va_list ap; +#if 1 + wxFAIL_MSG(wxT("wxTrace is now obsolete. Please use wxDebugXXX instead.")); +#else + va_list ap; static wxChar buffer[512]; va_start(ap, fmt); @@ -1154,11 +1032,15 @@ void wxTrace(const wxChar *fmt ...) #else fprintf(stderr, buffer); #endif +#endif } // Trace with level -void wxTraceLevel(int level, const wxChar *fmt ...) +void wxTraceLevel(int, const wxChar * ...) { +#if 1 + wxFAIL_MSG(wxT("wxTrace is now obsolete. Please use wxDebugXXX instead.")); +#else if (wxDebugContext::GetLevel() < level) return; @@ -1168,7 +1050,7 @@ void wxTraceLevel(int level, const wxChar *fmt ...) va_start(ap, fmt); #ifdef __WXMSW__ - wvsprintf(buffer,fmt,ap) ; + wxWvsprintf(buffer,fmt,ap) ; #else vsprintf(buffer,fmt,ap) ; #endif @@ -1190,6 +1072,7 @@ void wxTraceLevel(int level, const wxChar *fmt ...) #else fprintf(stderr, buffer); #endif +#endif } #else // wxUSE_MEMORY_TRACING && defined(__WXDEBUG__)