// Report heap sizes and occupancy before and after GC
void MemMgr::ReportHeapSizes(const char *phase)
{
POLYUNSIGNED alloc = 0, nonAlloc = 0, inAlloc = 0, inNonAlloc = 0;
for (unsigned i = 0; i < nlSpaces; i++)
{
LocalMemSpace *sp = lSpaces[i];
if (sp->allocationSpace)
{
alloc += sp->spaceSize();
inAlloc += sp->allocatedSpace();
}
else
{
nonAlloc += sp->spaceSize();
inNonAlloc += sp->allocatedSpace();
}
}
Log("Heap: %s Major heap used ", phase);
LogSize(inNonAlloc); Log(" of ");
LogSize(nonAlloc);
Log(" (%1.0f%%). Alloc space used ", (float)inNonAlloc / (float)nonAlloc * 100.0F);
LogSize(inAlloc); Log(" of ");
LogSize(alloc);
Log(" (%1.0f%%). Total space ", (float)inAlloc / (float)alloc * 100.0F);
LogSize(spaceForHeap);
Log(" %1.0f%% full.\n", (float)(inAlloc + inNonAlloc) / (float)spaceForHeap * 100.0F);
}
// Set the initial size based on any parameters specified on the command line
void HeapSizeParameters::SetHeapParameters(unsigned minsize, unsigned maxsize, unsigned percent)
{
minHeapSize = K_to_words(minsize); // If these overflow assume the result will be zero
maxHeapSize = K_to_words(maxsize);
POLYUNSIGNED memsize = 0;
if (minHeapSize == 0 || maxHeapSize == 0)
memsize = GetPhysicalMemorySize() / sizeof(PolyWord);
// If no maximum is given default it to 80% of the physical memory.
// This allows some space for the OS and other things.
if (maxHeapSize == 0 || maxHeapSize > MAXIMUMADDRESS)
{
if (memsize == 0) maxHeapSize = MAXIMUMADDRESS;
else maxHeapSize = memsize - memsize / 5;
}
// Set the initial size to the minimum if that has been provided.
POLYUNSIGNED initialSize = minHeapSize;
if (initialSize == 0) {
// If no -H option was given set the default initial size to a quarter of the memory.
if (memsize == 0) // Unable to determine memory size so default to 64M.
initialSize = 64 * 1024 * 1024;
else initialSize = memsize / 4;
}
// Initially we divide the space equally between the major and
// minor heaps. That means that there will definitely be space
// for the first minor GC to copy its data. This division can be
// changed later on.
gMem.SetSpaceForHeap(initialSize);
gMem.SetSpaceBeforeMinorGC(initialSize/2);
lastFreeSpace = initialSize;
highWaterMark = initialSize;
if (percent == 0)
userGCRatio = 1.0 / 9.0; // Default to 10% GC to 90% application
else
userGCRatio = (float)percent / (float)(100 - percent);
predictedRatio = lastMajorGCRatio = userGCRatio;
if (debugOptions & DEBUG_HEAPSIZE)
{
Log("Heap: Initial settings: Initial heap ");
LogSize(initialSize);
Log(" minimum ");
LogSize(minHeapSize);
Log(" maximum ");
LogSize(maxHeapSize);
Log(" target ratio %f\n", userGCRatio);
}
}
// Estimate the GC cost for a given heap size. The result is the ratio of
// GC time to application time.
// This is really guesswork.
double HeapSizeParameters::costFunction(POLYUNSIGNED heapSize, bool withSharing, bool withSharingCost)
{
POLYUNSIGNED heapSpace = gMem.SpaceForHeap() < highWaterMark ? gMem.SpaceForHeap() : highWaterMark;
POLYUNSIGNED currentFreeSpace = heapSpace - currentSpaceUsed;
POLYUNSIGNED averageFree = (lastFreeSpace + currentFreeSpace) / 2;
POLYUNSIGNED spaceUsed = currentSpaceUsed;
if (heapSize <= currentSpaceUsed)
return 1.0E6;
// If we run the sharing pass the live space will be smaller.
if (withSharing)
spaceUsed -= (POLYUNSIGNED)((double)currentSpaceUsed * sharingRecoveryRate);
POLYUNSIGNED estimatedFree = heapSize - spaceUsed;
// The cost scales as the inverse of the amount of free space.
double result = lastMajorGCRatio * (double)averageFree / (double)estimatedFree;
// If we run the sharing pass the GC cost will increase.
if (withSharing && withSharingCost)
result += result*sharingCostFactor;
// The paging contribution depends on the page limit
double pagingCost = 0.0;
if (pagingLimitSize != 0)
{
double factor = ((double)heapSize - (double)pagingLimitSize) / (double)pagingLimitSize * PAGINGCOSTSTEEPNESS;
pagingCost = PAGINGCOSTFACTOR * exp(factor);
result += pagingCost;
}
if (debugOptions & DEBUG_HEAPSIZE)
{
Log("Heap: Cost for heap of size ");
LogSize(heapSize);
Log(" is %2.2f with paging contributing %2.2f with%s sharing pass.\n", result, pagingCost, withSharing ? "" : "out");
}
return result;
}
// Called in the minor GC if a GC thread needs to grow the heap.
// Returns zero if the heap cannot be grown. "space" is the space required for the
// object (and length field) in case this is larger than the default size.
LocalMemSpace *HeapSizeParameters::AddSpaceInMinorGC(POLYUNSIGNED space, bool isMutable)
{
// See how much space is allocated to the major heap.
POLYUNSIGNED spaceAllocated = gMem.CurrentHeapSize() - gMem.CurrentAllocSpace();
// The new segment is either the default size or as large as
// necessary for the object.
POLYUNSIGNED spaceSize = gMem.DefaultSpaceSize();
if (space > spaceSize) spaceSize = space;
// We allow for extension if the total heap size after extending it
// plus one allocation area of the default size would not be more
// than the allowed heap size.
if (spaceAllocated + spaceSize + gMem.DefaultSpaceSize() <= gMem.SpaceForHeap())
{
LocalMemSpace *sp = gMem.NewLocalSpace(spaceSize, isMutable); // Return the space or zero if it failed
// If this is the first time the allocation failed report it.
if (sp == 0 && (debugOptions & DEBUG_HEAPSIZE) && lastAllocationSucceeded)
{
Log("Heap: Allocation of new heap segment size ");
LogSize(spaceSize);
Log(" failed. Limit reached?\n");
}
lastAllocationSucceeded = sp != 0;
return sp;
}
return 0; // Insufficient space
}
void SymbianLog::printMessage(const char* level, const char* msg, PLATFORM_VA_LIST argList)
{
iSemaphore.Wait();
StringBuffer currentTime = createCurrentTime(true);
TInt err = file.Open(fsSession, iLogName, EFileWrite|EFileShareAny);
TInt pos = 0;
if (err == KErrNotFound)
{
// First time: file does not exist. Create it.
err = file.Create(fsSession, iLogName, EFileWrite|EFileShareAny);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: could not open log file (code %d)", err);
goto finally;
}
StringBuffer header = createHeader();
RBuf8 data;
data.Assign(stringBufferToNewBuf8(header));
file.Write(data);
data.Close();
}
else
{
err = file.Seek(ESeekEnd, pos);
if (err != KErrNone) {
setErrorF(err, "SymbianLog: seek error on log file (code %d)", err);
goto finally;
}
}
{
// Write the data
StringBuffer line, data;
line.sprintf("%s -%s- %s", currentTime.c_str(), level, msg);
data.vsprintf(line.c_str(), argList);
data.append("\n");
RBuf8 buf;
buf.Assign(stringBufferToNewBuf8(data));
file.Write(buf);
buf.Close();
}
finally:
file.Close();
// we need closed file to operate on it
if ( LogSize() > SYMBIAN_LOG_SIZE ){
// roll log file
RollLogFile();
}
iSemaphore.Signal();
}
// Called after a minor GC. Currently does nothing.
// See also adjustHeapSize for adjustments after a major GC.
bool HeapSizeParameters::AdjustSizeAfterMinorGC(POLYUNSIGNED spaceAfterGC, POLYUNSIGNED spaceBeforeGC)
{
POLYUNSIGNED spaceCopiedOut = spaceAfterGC-spaceBeforeGC;
TIMEDATA gc, total;
minorGCsSinceMajor++;
// The major costs are cumulative so we use those
gc.add(majorGCSystemCPU);
gc.add(majorGCUserCPU);
total.add(gc);
total.add(majorNonGCSystemCPU);
total.add(majorNonGCUserCPU);
float g = gc.toSeconds() / total.toSeconds();
if (debugOptions & DEBUG_HEAPSIZE)
{
Log("Heap: Space before ");
LogSize(spaceBeforeGC);
Log(", space after ");
LogSize(spaceAfterGC);
Log("\n");
Log("Heap: Minor resizing factors g = %f, recent pf = %ld, cumulative pf = %ld\n",
g, minorGCPageFaults, majorGCPageFaults);
}
if (highWaterMark < gMem.CurrentHeapSize()) highWaterMark = gMem.CurrentHeapSize();
POLYUNSIGNED nextLimit = highWaterMark + highWaterMark / 32;
if (nextLimit > gMem.SpaceForHeap()) nextLimit = gMem.SpaceForHeap();
// Set the space available for the allocation area to be the difference between the
// total heap size and the allowed heap size together with as much space as we copied
// on this GC. That allows for the next minor GC to copy the same amount without
// extending the heap. If the next minor GC adds more than this the heap will be
// extended and a corresponding amount deducted so that the heap shrinks again.
POLYUNSIGNED nonAlloc = gMem.CurrentHeapSize() - gMem.CurrentAllocSpace() + spaceCopiedOut;
// TODO: If we have limited the space to the high water mark + 1/32 but that is less
// than we really need we should increase it further.
POLYUNSIGNED allowedAlloc = nonAlloc >= nextLimit ? 0 : nextLimit - nonAlloc;
// If we hit the limit at the last major GC we have to be much more careful.
// If the minor GC cannot allocate a major GC space when it needs it the minor
// GC will fail immediately and a major GC will be started. It's better to
// risk doing more minor GCs than we need by making the allocation area smaller
// rather than run out of space.
if (allocationFailedBeforeLastMajorGC)
allowedAlloc = allowedAlloc / 2;
if (gMem.CurrentAllocSpace() != allowedAlloc)
{
if (debugOptions & DEBUG_HEAPSIZE)
{
Log("Heap: Adjusting space for allocation area from ");
LogSize(gMem.SpaceBeforeMinorGC());
Log(" to ");
LogSize(allowedAlloc);
Log("\n");
}
gMem.SetSpaceBeforeMinorGC(allowedAlloc);
if (allowedAlloc < gMem.DefaultSpaceSize() * 2 || minorGCPageFaults > 100)
return false; // Trigger full GC immediately.
}
// Trigger a full GC if the live data is very large or if we have exceeeded
// the target ratio over several GCs (this smooths out small variations).
if ((minorGCsSinceMajor > 4 && g > predictedRatio*0.8) || majorGCPageFaults > 100)
fullGCNextTime = true;
return true;
}
// Called at the end of collection. This is where we should do the
// fine adjustment of the heap size to minimise the GC time.
// Growing the heap is just a matter of adjusting the limits. We
// don't actually need to allocate the space here.
// See also adjustHeapSizeAfterMinorGC for adjustments after a minor GC.
void HeapSizeParameters::AdjustSizeAfterMajorGC(POLYUNSIGNED wordsRequired)
{
// Cumulative times since the last major GC
TIMEDATA gc, nonGc;
gc.add(majorGCSystemCPU);
gc.add(majorGCUserCPU);
nonGc.add(majorNonGCSystemCPU);
nonGc.add(majorNonGCUserCPU);
if (highWaterMark < heapSizeAtStart) highWaterMark = heapSizeAtStart;
POLYUNSIGNED heapSpace = gMem.SpaceForHeap() < highWaterMark ? gMem.SpaceForHeap() : highWaterMark;
currentSpaceUsed = 0;
for (unsigned i = 0; i < gMem.nlSpaces; i++)
{
currentSpaceUsed += gMem.lSpaces[i]->allocatedSpace();
}
POLYUNSIGNED currentFreeSpace = heapSpace - currentSpaceUsed;
if (currentFreeSpace < wordsRequired) currentFreeSpace = 0; else currentFreeSpace -= wordsRequired;
// The times for all the minor GCs up to this. The cost of this (major) GC
// is actually in minorGCUserCPU/minorGCSystemCPU.
TIMEDATA minorGC;
minorGC.add(gc);
minorGC.sub(minorGCUserCPU);
minorGC.sub(minorGCSystemCPU);
if (performSharingPass)
{
// We ran the sharing pass last time: calculate the actual recovery rate.
POLYUNSIGNED originalSpaceUsed = currentSpaceUsed + sharingWordsRecovered;
sharingRecoveryRate = (double)sharingWordsRecovered / (double)originalSpaceUsed;
if (debugOptions & DEBUG_HEAPSIZE)
Log("Heap: Sharing recovery rate was %0.3f and cost %0.3f seconds (%0.3f%% of total).\n",
sharingRecoveryRate, sharingCPU.toSeconds(), sharingCPU.toSeconds() / gc.toSeconds());
// The cost factor is the ratio of the cost of sharing to the cost without.
sharingCostFactor = sharingCPU.toSeconds() / (gc.toSeconds() - sharingCPU.toSeconds());
// Subtract the sharing cost from the GC cost because the initial estimate is
// the cost without running the sharing pass.
gc.sub(sharingCPU);
}
if (gc.toSeconds() != 0.0 && nonGc.toSeconds() != 0.0)
lastMajorGCRatio = gc.toSeconds() / nonGc.toSeconds();
if (debugOptions & DEBUG_HEAPSIZE)
{
Log("Heap: GC cpu time %2.3f non-gc time %2.3f ratio %0.3f for free space ",
gc.toSeconds(), nonGc.toSeconds(), lastMajorGCRatio);
LogSize((lastFreeSpace + currentFreeSpace)/2);
Log("\n");
Log("Heap: GC real time %2.3f non-gc time %2.3f ratio %0.3f\n",
majorGCReal.toSeconds(), majorNonGCReal.toSeconds(), majorGCReal.toSeconds()/majorNonGCReal.toSeconds());
Log("Heap: Total of minor GCs %2.3f, %2.3f of total\n", minorGC.toSeconds(), minorGC.toSeconds() / gc.toSeconds());
}
// Calculate the paging threshold.
if (pagingLimitSize != 0 || majorGCPageFaults != 0)
{
if (majorGCPageFaults == 0) majorGCPageFaults = 1; // Less than one
// Some paging detected. The expression here is the inverse of the one used to
// compute the paging contribution in the cost function.
double scaleFactor = 1.0 + log((double)majorGCPageFaults / PAGINGCOUNTFACTOR) / PAGINGCOSTSTEEPNESS;
ASSERT(scaleFactor > 0.0);
POLYUNSIGNED newLimit = (POLYUNSIGNED)((double)heapSpace / scaleFactor);
if (pagingLimitSize == 0)
pagingLimitSize = newLimit;
else
pagingLimitSize = (newLimit + pagingLimitSize) / 2;
}
if (allocationFailedBeforeLastMajorGC)
{
// If the last allocation failed then we may well have reached the
// maximum available memory. Set the paging limit to be the current
// heap size. We want to avoid hitting the limit because typically
// that happens when we try to extend the major heap in a minor GC
// resulting in the minor GC failing and a major GC starting.
if (pagingLimitSize == 0 || heapSizeAtStart < pagingLimitSize)
pagingLimitSize = heapSizeAtStart;
}
if (pagingLimitSize != 0 && (debugOptions & DEBUG_HEAPSIZE))
{
Log("Heap: Paging threshold adjusted to ");
LogSize(pagingLimitSize);
Log(" with %ld page faults\n", majorGCPageFaults);
}
// Calculate the new heap size and the predicted cost.
POLYUNSIGNED newHeapSize;
double cost;
bool atTarget = getCostAndSize(newHeapSize, cost, false);
// If we have been unable to allocate any more memory we may already
// be at the limit.
if (allocationFailedBeforeLastMajorGC && newHeapSize > heapSizeAtStart)
{
cost = costFunction(heapSizeAtStart, false, true);
atTarget = false;
}
if (atTarget)
{
// We are at the target level. We don't want to attempt sharing.
performSharingPass = false;
cumulativeSharingSaving = 0;
}
else
{
POLYUNSIGNED newHeapSizeWithSharing;
double costWithSharing;
// Get the cost and heap size if sharing was enabled. If we are at the
// limit, though, we need to work using the size we can achieve.
if (! allocationFailedBeforeLastMajorGC)
(void)getCostAndSize(newHeapSizeWithSharing, costWithSharing, true);
else
{
newHeapSizeWithSharing = heapSizeAtStart;
costWithSharing = costFunction(heapSizeAtStart, true, true);
}
// Run the sharing pass if that would give a lower cost.
// Subtract the cumulative saving that would have been made if the
// sharing had been run before. This is an estimate and depends on the
// extent to which a reduction in the heap earlier would be carried through
// to later GCs.
cumulativeSharingSaving =
cumulativeSharingSaving * ((double)currentSpaceUsed / (double)heapSpace);
if (debugOptions & DEBUG_HEAPSIZE)
Log("Heap: Cumulative sharing saving %0.2f\n", cumulativeSharingSaving);
if (costWithSharing - cumulativeSharingSaving < cost)
{
// Run the sharing pass next time.
performSharingPass = true;
cumulativeSharingSaving = 0;
}
else
{
// Don't run the sharing pass next time
performSharingPass = false;
// Running a sharing pass reduces the heap for subsequent
// runs. Add this into the cost.
double freeSharingCost = costFunction(newHeapSizeWithSharing, true, false);
if (freeSharingCost < cost && freeSharingCost > userGCRatio)
{
if (debugOptions & DEBUG_HEAPSIZE)
Log("Heap: Previous sharing would have saved %0.2f\n", cost - freeSharingCost);
cumulativeSharingSaving += cost - freeSharingCost;
}
}
}
if (debugOptions & DEBUG_HEAPSIZE)
{
if (performSharingPass)
Log("Heap: Next full GC will enable the sharing pass\n");
Log("Heap: Resizing from ");
LogSize(gMem.SpaceForHeap());
Log(" to ");
LogSize(newHeapSize);
Log(". Estimated ratio %2.2f\n", cost);
}
// Set the sizes.
gMem.SetSpaceForHeap(newHeapSize);
// Set the minor space size. It can potentially use the whole of the
// rest of the available heap but there could be a problem if that exceeds
// the available memory and causes paging. We need to raise the limit carefully.
// Also, if we use the whole of the heap we may not then be able to allocate
// new areas in the major heap without going over the limit. Restrict it to
// half of the available heap.
POLYUNSIGNED nextLimit = highWaterMark + highWaterMark / 32;
if (nextLimit > newHeapSize) nextLimit = newHeapSize;
// gMem.CurrentHeapSize() is the live space size.
if (gMem.CurrentHeapSize() > nextLimit)
gMem.SetSpaceBeforeMinorGC(0); // Run out of space
else gMem.SetSpaceBeforeMinorGC((nextLimit-gMem.CurrentHeapSize())/2);
lastFreeSpace = newHeapSize - currentSpaceUsed;
predictedRatio = cost;
}
void ComspecDone(int aiRc)
{
#ifdef _DEBUG
xf_dump_chk();
xf_validate(NULL);
#endif
//WARNING("Послать в GUI CONEMUCMDSTOPPED");
LogSize(NULL, 0, "ComspecDone");
// Это необходимо делать, т.к. при смене буфера (SetConsoleActiveScreenBuffer) приложением,
// дескриптор нужно закрыть, иначе conhost может не вернуть предыдущий буфер
//ConOutCloseHandle()
// Поддержка алиасов
if (gpSrv->szComSpecName[0] && gpSrv->szSelfName[0])
{
// Скопировать алиасы из cmd.exe в conemuc.exe
wchar_t *pszPostAliases = NULL;
DWORD nPostAliasSize;
BOOL lbChanged = (gpSrv->pszPreAliases == NULL);
if (!GetAliases(gpSrv->szComSpecName, &pszPostAliases, &nPostAliasSize))
{
if (pszPostAliases)
_wprintf(pszPostAliases);
}
else
{
if (!lbChanged)
{
lbChanged = (gpSrv->nPreAliasSize!=nPostAliasSize);
}
if (!lbChanged && gpSrv->nPreAliasSize && gpSrv->pszPreAliases && pszPostAliases)
{
lbChanged = memcmp(gpSrv->pszPreAliases,pszPostAliases,gpSrv->nPreAliasSize)!=0;
}
if (lbChanged)
{
xf_dump_chk();
if (gnMainServerPID)
{
MCHKHEAP;
CESERVER_REQ* pIn = ExecuteNewCmd(CECMD_SAVEALIASES,sizeof(CESERVER_REQ_HDR)+nPostAliasSize);
if (pIn)
{
MCHKHEAP;
memmove(pIn->Data, pszPostAliases, nPostAliasSize);
MCHKHEAP;
CESERVER_REQ* pOut = ExecuteSrvCmd(gnMainServerPID, pIn, GetConEmuHWND(2), FALSE, 0, TRUE);
MCHKHEAP;
if (pOut) ExecuteFreeResult(pOut);
ExecuteFreeResult(pIn);
MCHKHEAP;
}
}
xf_dump_chk();
wchar_t *pszNewName = pszPostAliases, *pszNewTarget, *pszNewLine;
while (pszNewName && *pszNewName)
{
pszNewLine = pszNewName + lstrlen(pszNewName);
pszNewTarget = wcschr(pszNewName, L'=');
if (pszNewTarget)
{
*pszNewTarget = 0;
pszNewTarget++;
}
if (*pszNewTarget == 0) pszNewTarget = NULL;
AddConsoleAlias(pszNewName, pszNewTarget, gpSrv->szSelfName);
pszNewName = pszNewLine+1;
}
xf_dump_chk();
}
}
if (pszPostAliases)
{
free(pszPostAliases);
pszPostAliases = NULL;
}
}
xf_dump_chk();
//TODO("Уведомить плагин через пайп (если родитель - FAR) что процесс завершен. Плагин должен считать и запомнить содержимое консоли и только потом вернуть управление в ConEmuC!");
DWORD dwErr1 = 0; //, dwErr2 = 0;
HANDLE hOut1 = NULL, hOut2 = NULL;
BOOL lbRc1 = FALSE, lbRc2 = FALSE;
CONSOLE_SCREEN_BUFFER_INFO sbi1 = {{0,0}}, sbi2 = {{0,0}};
#ifdef _DEBUG
HWND hWndCon = GetConEmuHWND(2);
#endif
// Тут нужна реальная, а не скорректированная информация!
if (!gbNonGuiMode)
{
// Если GUI не сможет через сервер вернуть высоту буфера - это нужно сделать нам!
lbRc1 = GetConsoleScreenBufferInfo(hOut1 = GetStdHandle(STD_OUTPUT_HANDLE), &sbi1);
if (!lbRc1)
dwErr1 = GetLastError();
xf_dump_chk();
}
//PRAGMA_ERROR("Размер должен возвращать сам GUI, через серверный ConEmuC!");
#ifdef SHOW_STARTED_MSGBOX
MessageBox(GetConEmuHWND(2), L"ConEmuC (comspec mode) is about to TERMINATE", L"ConEmuC.ComSpec", 0);
#endif
#ifdef _DEBUG
xf_dump_chk();
xf_validate(NULL);
#endif
if (!gbNonGuiMode && (gpSrv->dwParentFarPID != 0))
{
//// Вернуть размер буфера (высота И ширина)
//if (gpSrv->sbi.dwSize.X && gpSrv->sbi.dwSize.Y) {
// SMALL_RECT rc = {0};
// SetConsoleSize(0, gpSrv->sbi.dwSize, rc, "ComspecDone");
//}
//ConOutCloseHandle()
CONSOLE_SCREEN_BUFFER_INFO l_csbi = {{0}};
lbRc2 = GetConsoleScreenBufferInfo(hOut2 = GetStdHandle(STD_OUTPUT_HANDLE), &l_csbi);
CESERVER_REQ *pOut = SendStopped(&l_csbi);
if (pOut)
{
if (!pOut->StartStopRet.bWasBufferHeight)
{
//gpSrv->sbi.dwSize = pIn->StartStop.sbi.dwSize;
lbRc1 = FALSE; // Консольное приложение самостоятельно сбросило буферный режим. Не дергаться...
}
else
{
lbRc1 = TRUE;
}
ExecuteFreeResult(pOut);
pOut = NULL;
}
if (!gbWasBufferHeight)
{
lbRc2 = GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &sbi2);
#ifdef _DEBUG
if (sbi2.dwSize.Y > 200)
{
wchar_t szTitle[128];
_wsprintf(szTitle, SKIPLEN(countof(szTitle)) L"ConEmuC (PID=%i)", GetCurrentProcessId());
MessageBox(NULL, L"BufferHeight was not turned OFF", szTitle, MB_SETFOREGROUND|MB_SYSTEMMODAL);
}
#endif
if (lbRc1 && lbRc2 && sbi2.dwSize.Y == sbi1.dwSize.Y)
{
// GUI не смог вернуть высоту буфера...
// Это плохо, т.к. фар высоту буфера не меняет и будет сильно глючить на N сотнях строк...
int nNeedHeight = gpSrv->sbi.dwSize.Y;
if (nNeedHeight < 10)
{
nNeedHeight = (sbi2.srWindow.Bottom-sbi2.srWindow.Top+1);
}
if (sbi2.dwSize.Y != nNeedHeight)
{
_ASSERTE(sbi2.dwSize.Y == nNeedHeight);
PRINT_COMSPEC(L"Error: BufferHeight was not changed from %i\n", sbi2.dwSize.Y);
SMALL_RECT rc = {0};
sbi2.dwSize.Y = nNeedHeight;
if (gpLogSize) LogSize(&sbi2.dwSize, 0, ":ComspecDone.RetSize.before");
SetConsoleSize(0, sbi2.dwSize, rc, "ComspecDone.Force");
if (gpLogSize) LogSize(NULL, 0, ":ComspecDone.RetSize.after");
}
}
}
}
if (gpSrv->pszPreAliases) {
free(gpSrv->pszPreAliases);
gpSrv->pszPreAliases = NULL;
}
//SafeCloseHandle(ghCtrlCEvent);
//SafeCloseHandle(ghCtrlBreakEvent);
}
// Set the initial size based on any parameters specified on the command line.
// Any of these can be zero indicating they should default.
void HeapSizeParameters::SetHeapParameters(POLYUNSIGNED minsize, POLYUNSIGNED maxsize, POLYUNSIGNED initialsize, unsigned percent)
{
minHeapSize = K_to_words(minsize); // If these overflow assume the result will be zero
maxHeapSize = K_to_words(maxsize);
POLYUNSIGNED initialSize = K_to_words(initialsize);
POLYUNSIGNED memsize = GetPhysicalMemorySize() / sizeof(PolyWord);
// If no maximum is given default it to 80% of the physical memory.
// This allows some space for the OS and other things.
if (maxHeapSize == 0 || maxHeapSize > MAXIMUMADDRESS)
{
if (memsize != 0)
maxHeapSize = memsize - memsize / 5;
else maxHeapSize = MAXIMUMADDRESS;
// But if this must not be smaller than the minimum size.
if (maxHeapSize < minHeapSize) maxHeapSize = minHeapSize;
if (maxHeapSize < initialSize) maxHeapSize = initialSize;
}
// The default minimum is zero; in practice the live data size.
// The default initial size is the minimum if that has been provided,
// otherwise 8M words. There are applications that only require a small
// heap and if we set the heap large to begin with we'll never do a
// full GC and reduce it.
if (initialSize == 0)
{
if (minHeapSize != 0)
initialSize = minHeapSize;
else initialSize = 8 * gMem.DefaultSpaceSize();
// But not more than the maximum
if (initialSize > maxHeapSize) initialSize = maxHeapSize;
}
// Together with the constraints on user settings that ensures this holds.
ASSERT(initialSize >= minHeapSize && initialSize <= maxHeapSize);
// Initially we divide the space equally between the major and
// minor heaps. That means that there will definitely be space
// for the first minor GC to copy its data. This division can be
// changed later on.
gMem.SetSpaceForHeap(initialSize);
gMem.SetSpaceBeforeMinorGC(initialSize/2);
lastFreeSpace = initialSize;
highWaterMark = initialSize;
if (percent == 0)
userGCRatio = 1.0 / 9.0; // Default to 10% GC to 90% application
else
userGCRatio = (float)percent / (float)(100 - percent);
predictedRatio = lastMajorGCRatio = userGCRatio;
if (debugOptions & DEBUG_HEAPSIZE)
{
Log("Heap: Initial settings: Initial heap ");
LogSize(initialSize);
Log(" minimum ");
LogSize(minHeapSize);
Log(" maximum ");
LogSize(maxHeapSize);
Log(" target ratio %f\n", userGCRatio);
}
}
size_t SymbianLog::getLogSize()
{
return (size_t)LogSize();
}
