Applied patch 548046: wxDebugAlloc & wxDebugFree thread safe

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16629 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart 2002-08-20 16:57:09 +00:00
parent 3fc6e5fa23
commit b5c702530e
2 changed files with 47 additions and 107 deletions

View File

@ -170,9 +170,12 @@ copy %src\docs\msw\install.txt %dest\install-msw-%version%.txt
copy %src\docs\mac\install.txt %dest\install-mac-%version%.txt
copy %src\docs\motif\install.txt %dest\install-motif-%version%.txt
copy %src\docs\gtk\install.txt %dest\install-gtk-%version%.txt
copy %src\docs\x11\install.txt %dest\install-x11-%version%.txt
copy %src\docs\readme.txt %dest\readme-%version%.txt
copy %src\docs\motif\readme.txt %dest\readme-motif-%version%.txt
copy %src\docs\gtk\readme.txt %dest\readme-gtk-%version%.txt
copy %src\docs\x11\readme.txt %dest\readme-x11-%version%.txt
copy %src\docs\x11\readme-nanox.txt %dest\readme-nanox-%version%.txt
copy %src\docs\msw\readme.txt %dest\readme-msw-%version%.txt
copy %src\docs\mac\readme.txt %dest\readme-mac-%version%.txt
copy %src\docs\os2\install.txt %dest\install-os2-%version%.txt

View File

@ -35,6 +35,10 @@
#include "wx/app.h"
#endif
#if wxUSE_THREADS
#include "wx/thread.h"
#endif
#include "wx/log.h"
#include <stdlib.h>
@ -116,8 +120,6 @@ void wxMemStruct::ErrorMsg (const char * mesg)
{
wxLogMessage(wxT("wxWindows memory checking error: %s"), mesg);
PrintNode ();
// << m_fileName << ' ' << m_lineNum << endl;
}
/*
@ -127,8 +129,6 @@ void wxMemStruct::ErrorMsg ()
{
wxLogMessage(wxT("wxWindows over/underwrite memory error:"));
PrintNode ();
// cerr << m_fileName << ' ' << m_lineNum << endl;
}
@ -464,15 +464,6 @@ int wxMemStruct::ValidateNode ()
wxMemStruct *wxDebugContext::m_head = NULL;
wxMemStruct *wxDebugContext::m_tail = NULL;
// wxSTD ostream *wxDebugContext::m_debugStream = NULL;
// wxSTD streambuf *wxDebugContext::m_streamBuf = NULL;
// Must initialise these in wxEntry, and then delete them just before wxEntry exits
// Obsolete
#if 0
wxSTD streambuf *wxDebugContext::m_streamBuf = NULL;
wxSTD ostream *wxDebugContext::m_debugStream = NULL;
#endif
bool wxDebugContext::m_checkPrevious = FALSE;
int wxDebugContext::debugLevel = 1;
@ -486,79 +477,12 @@ int wxDebugContext::m_balignmask = (int)((char *)&markerCalc[1] - (char*)&marker
wxDebugContext::wxDebugContext(void)
{
// m_streamBuf = new wxDebugStreamBuf;
// m_debugStream = new wxSTD 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.
*/
// Obsolete
#if 0
void wxDebugContext::SetStream(wxSTD ostream *str, wxSTD 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)
{
wxSTD streambuf* oldBuf = m_streamBuf;
m_streamBuf = NULL;
delete oldBuf;
}
#endif
m_streamBuf = buf;
m_debugStream = str;
}
bool wxDebugContext::SetFile(const wxString& file)
{
wxSTD ofstream *str = new wxSTD 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;
wxSTD ostream *stream = new wxSTD ostream(m_streamBuf);
SetStream(stream, buf);
return TRUE;
#else
return FALSE;
#endif
#endif
return FALSE;
}
#endif
// 0
/*
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
@ -631,11 +555,6 @@ size_t wxDebugContext::PaddedSize (const size_t size)
return(size + m_balign - padb);
else
return(size);
// Old (slow) code
#if 0
return size + GetPadding (size);
#endif
}
/*
@ -677,9 +596,6 @@ 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;
@ -691,10 +607,6 @@ bool wxDebugContext::PrintList (void)
bool wxDebugContext::Dump(void)
{
#ifdef __WXDEBUG__
// if (!HasStream())
// return FALSE;
// if (TRUE)
{
wxChar* appName = (wxChar*) wxT("application");
wxString appNameStr("");
@ -709,6 +621,7 @@ bool wxDebugContext::Dump(void)
wxLogMessage( wxT("----- Memory dump -----") );
}
}
TraverseList ((PmSFV)&wxMemStruct::Dump, (checkPoint ? checkPoint->m_next : (wxMemStruct*)NULL));
wxLogMessage( wxT("") );
@ -750,10 +663,6 @@ static wxDebugStatsStruct *InsertStatsStruct(wxDebugStatsStruct *head, wxDebugSt
bool wxDebugContext::PrintStatistics(bool detailed)
{
#ifdef __WXDEBUG__
// if (!HasStream())
// return FALSE;
// if (TRUE)
{
wxChar* appName = (wxChar*) wxT("application");
wxString appNameStr(wxT(""));
@ -786,7 +695,6 @@ 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()))
{
wxChar *className = (wxChar*) wxT("nonobject");
@ -809,7 +717,6 @@ 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();
@ -850,10 +757,6 @@ bool wxDebugContext::PrintStatistics(bool detailed)
bool wxDebugContext::PrintClasses(void)
{
// if (!HasStream())
// return FALSE;
// if (TRUE)
{
wxChar* appName = (wxChar*) wxT("application");
wxString appNameStr(wxT(""));
@ -949,7 +852,6 @@ 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 ++;
}
@ -957,9 +859,43 @@ int wxDebugContext::CountObjectsLeft(bool sinceCheckpoint)
return n ;
}
#if wxUSE_THREADS
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 wxUSE_THREADS
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.
@ -1016,6 +952,10 @@ 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 wxUSE_THREADS
MemoryCriticalSectionLocker lock(memLocker);
#endif
if (!buf)
return;
@ -1056,9 +996,6 @@ 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);
}