X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/33ac7e6f01acbac1cff0ad400d8ea7f0bfd0a62f..642067e02a202feddc97255f1229e4e7378541d9:/src/common/memory.cpp diff --git a/src/common/memory.cpp b/src/common/memory.cpp index 2f97c44bd0..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__ @@ -33,6 +33,11 @@ #ifndef WX_PRECOMP #include "wx/utils.h" #include "wx/app.h" +#include "wx/hash.h" +#endif + +#if wxUSE_THREADS +#include "wx/thread.h" #endif #include "wx/log.h" @@ -40,12 +45,6 @@ #include "wx/ioswrap.h" -#if wxUSE_IOSTREAMH - #include -#else - #include -#endif - #if !defined(__WATCOMC__) && !(defined(__VMS__) && ( __VMS_VER < 70000000 ) )\ && !defined( __MWERKS__ ) && !defined(__SALFORDC__) #include @@ -69,6 +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 @@ -113,8 +119,6 @@ void wxMemStruct::ErrorMsg (const char * mesg) { wxLogMessage(wxT("wxWindows memory checking error: %s"), mesg); PrintNode (); - -// << m_fileName << ' ' << m_lineNum << endl; } /* @@ -124,8 +128,6 @@ void wxMemStruct::ErrorMsg () { wxLogMessage(wxT("wxWindows over/underwrite memory error:")); PrintNode (); - -// cerr << m_fileName << ' ' << m_lineNum << endl; } @@ -348,7 +350,7 @@ void wxMemStruct::PrintNode () } else { - wxString msg(""); + wxString msg(wxT("")); if (m_fileName) msg.Printf(wxT("%s(%d): "), m_fileName, (int)m_lineNum); @@ -386,7 +388,7 @@ 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; @@ -398,7 +400,7 @@ 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; wxLogMessage(msg); @@ -461,12 +463,6 @@ 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; @@ -480,76 +476,12 @@ int wxDebugContext::m_balignmask = (int)((char *)&markerCalc[1] - (char*)&marker 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.mb_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 @@ -615,18 +547,13 @@ size_t wxDebugContext::PaddedSize (const size_t 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); + int padb; -// Old (slow) code -#if 0 - return size + GetPadding (size); -#endif + padb = size & m_balignmask; + if(padb) + return(size + m_balign - padb); + else + return(size); } /* @@ -668,9 +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; @@ -682,13 +606,9 @@ 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(); @@ -700,6 +620,7 @@ bool wxDebugContext::Dump(void) wxLogMessage( wxT("----- Memory dump -----") ); } } + TraverseList ((PmSFV)&wxMemStruct::Dump, (checkPoint ? checkPoint->m_next : (wxMemStruct*)NULL)); wxLogMessage( wxT("") ); @@ -741,12 +662,8 @@ static wxDebugStatsStruct *InsertStatsStruct(wxDebugStatsStruct *head, wxDebugSt 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) { @@ -777,10 +694,9 @@ 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(); @@ -800,7 +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(); @@ -841,12 +756,8 @@ bool wxDebugContext::PrintStatistics(bool detailed) bool wxDebugContext::PrintClasses(void) { -// if (!HasStream()) -// return FALSE; - -// if (TRUE) { - wxChar* appName = wxT("application"); + wxChar* appName = (wxChar*) wxT("application"); wxString appNameStr(wxT("")); if (wxTheApp) { @@ -864,7 +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()); @@ -940,7 +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 ++; } @@ -948,9 +858,43 @@ int wxDebugContext::CountObjectsLeft(bool sinceCheckpoint) return n ; } +#if USE_THREADSAFE_MEMORY_ALLOCATION +static bool memSectionOk = FALSE; + +class MemoryCriticalSection : public wxCriticalSection +{ +public: + MemoryCriticalSection() { + memSectionOk = TRUE; + } +}; + +class MemoryCriticalSectionLocker +{ +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. @@ -1007,6 +951,10 @@ 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; @@ -1047,9 +995,6 @@ 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); }