void
nsTraceRefcntImpl::Shutdown()
{
#ifdef NS_IMPL_REFCNT_LOGGING
if (gBloatView) {
PL_HashTableDestroy(gBloatView);
gBloatView = nullptr;
}
if (gTypesToLog) {
PL_HashTableDestroy(gTypesToLog);
gTypesToLog = nullptr;
}
if (gObjectsToLog) {
PL_HashTableDestroy(gObjectsToLog);
gObjectsToLog = nullptr;
}
if (gSerialNumbers) {
PL_HashTableDestroy(gSerialNumbers);
gSerialNumbers = nullptr;
}
maybeUnregisterAndCloseFile(gBloatLog);
maybeUnregisterAndCloseFile(gRefcntsLog);
maybeUnregisterAndCloseFile(gAllocLog);
maybeUnregisterAndCloseFile(gLeakyLog);
maybeUnregisterAndCloseFile(gCOMPtrLog);
#endif
}
void
nsTraceRefcnt::Shutdown()
{
#ifdef NS_IMPL_REFCNT_LOGGING
#ifdef MOZ_STACKWALKING
gCodeAddressService = nullptr;
#endif
if (gBloatView) {
PL_HashTableDestroy(gBloatView);
gBloatView = nullptr;
}
if (gTypesToLog) {
PL_HashTableDestroy(gTypesToLog);
gTypesToLog = nullptr;
}
if (gObjectsToLog) {
PL_HashTableDestroy(gObjectsToLog);
gObjectsToLog = nullptr;
}
if (gSerialNumbers) {
PL_HashTableDestroy(gSerialNumbers);
gSerialNumbers = nullptr;
}
maybeUnregisterAndCloseFile(gBloatLog);
maybeUnregisterAndCloseFile(gRefcntsLog);
maybeUnregisterAndCloseFile(gAllocLog);
maybeUnregisterAndCloseFile(gCOMPtrLog);
#endif
}
void
nsTraceRefcnt::Shutdown()
{
gCodeAddressService = nullptr;
if (gBloatView) {
PL_HashTableDestroy(gBloatView);
gBloatView = nullptr;
}
if (gTypesToLog) {
PL_HashTableDestroy(gTypesToLog);
gTypesToLog = nullptr;
}
if (gObjectsToLog) {
PL_HashTableDestroy(gObjectsToLog);
gObjectsToLog = nullptr;
}
if (gSerialNumbers) {
PL_HashTableDestroy(gSerialNumbers);
gSerialNumbers = nullptr;
}
maybeUnregisterAndCloseFile(gBloatLog);
maybeUnregisterAndCloseFile(gRefcntsLog);
maybeUnregisterAndCloseFile(gAllocLog);
maybeUnregisterAndCloseFile(gCOMPtrLog);
}
static void
InitTraceLog()
{
if (gInitialized) {
return;
}
gInitialized = true;
bool defined = InitLog("XPCOM_MEM_BLOAT_LOG", "bloat/leaks", &gBloatLog);
if (!defined) {
gLogLeaksOnly = InitLog("XPCOM_MEM_LEAK_LOG", "leaks", &gBloatLog);
}
if (defined || gLogLeaksOnly) {
RecreateBloatView();
if (!gBloatView) {
NS_WARNING("out of memory");
maybeUnregisterAndCloseFile(gBloatLog);
gLogLeaksOnly = false;
}
}
InitLog("XPCOM_MEM_REFCNT_LOG", "refcounts", &gRefcntsLog);
InitLog("XPCOM_MEM_ALLOC_LOG", "new/delete", &gAllocLog);
const char* classes = getenv("XPCOM_MEM_LOG_CLASSES");
#ifdef HAVE_CPP_DYNAMIC_CAST_TO_VOID_PTR
if (classes) {
InitLog("XPCOM_MEM_COMPTR_LOG", "nsCOMPtr", &gCOMPtrLog);
} else {
if (getenv("XPCOM_MEM_COMPTR_LOG")) {
fprintf(stdout, "### XPCOM_MEM_COMPTR_LOG defined -- but XPCOM_MEM_LOG_CLASSES is not defined\n");
}
}
#else
const char* comptr_log = getenv("XPCOM_MEM_COMPTR_LOG");
if (comptr_log) {
fprintf(stdout, "### XPCOM_MEM_COMPTR_LOG defined -- but it will not work without dynamic_cast\n");
}
#endif
if (classes) {
// if XPCOM_MEM_LOG_CLASSES was set to some value, the value is interpreted
// as a list of class names to track
gTypesToLog = PL_NewHashTable(256,
PL_HashString,
PL_CompareStrings,
PL_CompareValues,
&typesToLogHashAllocOps, nullptr);
if (!gTypesToLog) {
NS_WARNING("out of memory");
fprintf(stdout, "### XPCOM_MEM_LOG_CLASSES defined -- unable to log specific classes\n");
} else {
fprintf(stdout, "### XPCOM_MEM_LOG_CLASSES defined -- only logging these classes: ");
const char* cp = classes;
for (;;) {
char* cm = (char*)strchr(cp, ',');
if (cm) {
*cm = '\0';
}
PL_HashTableAdd(gTypesToLog, strdup(cp), (void*)1);
fprintf(stdout, "%s ", cp);
if (!cm) {
break;
}
*cm = ',';
cp = cm + 1;
}
fprintf(stdout, "\n");
}
gSerialNumbers = PL_NewHashTable(256,
HashNumber,
PL_CompareValues,
PL_CompareValues,
&serialNumberHashAllocOps, nullptr);
}
const char* objects = getenv("XPCOM_MEM_LOG_OBJECTS");
if (objects) {
gObjectsToLog = PL_NewHashTable(256,
HashNumber,
PL_CompareValues,
PL_CompareValues,
nullptr, nullptr);
if (!gObjectsToLog) {
NS_WARNING("out of memory");
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- unable to log specific objects\n");
} else if (!(gRefcntsLog || gAllocLog || gCOMPtrLog)) {
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- but none of XPCOM_MEM_(REFCNT|ALLOC|COMPTR)_LOG is defined\n");
} else {
fprintf(stdout, "### XPCOM_MEM_LOG_OBJECTS defined -- only logging these objects: ");
const char* cp = objects;
for (;;) {
char* cm = (char*)strchr(cp, ',');
if (cm) {
*cm = '\0';
}
intptr_t top = 0;
intptr_t bottom = 0;
while (*cp) {
if (*cp == '-') {
bottom = top;
top = 0;
++cp;
}
top *= 10;
top += *cp - '0';
++cp;
}
if (!bottom) {
bottom = top;
}
for (intptr_t serialno = bottom; serialno <= top; serialno++) {
PL_HashTableAdd(gObjectsToLog, (const void*)serialno, (void*)1);
fprintf(stdout, "%" PRIdPTR " ", serialno);
}
if (!cm) {
break;
}
*cm = ',';
cp = cm + 1;
}
fprintf(stdout, "\n");
}
}
if (gBloatLog) {
gLogging = OnlyBloatLogging;
}
if (gRefcntsLog || gAllocLog || gCOMPtrLog) {
gLogging = FullLogging;
}
gTraceLock = PR_NewLock();
}
