// static
void Mark(PRUint32 aType, void * aItem, const char * aText, const char * aText2)
{
#ifdef MOZ_VISUAL_EVENT_TRACER
if (!gInitialized)
return;
if (aType == eNone)
return;
if (!CheckEventFilters(aType, aItem, aText)) // Events use just aText
return;
RecordBatch * threadLogPrivate = static_cast<RecordBatch *>(
PR_GetThreadPrivate(gThreadPrivateIndex));
if (!threadLogPrivate) {
// Deletion is made by the flushing thread
threadLogPrivate = new RecordBatch();
PR_SetThreadPrivate(gThreadPrivateIndex, threadLogPrivate);
}
Record * record = threadLogPrivate->mNextRecord;
record->mType = aType;
record->mTime = (mozilla::TimeStamp::Now() - gProfilerStart).ToMilliseconds();
record->mItem = aItem;
record->mText = PL_strdup(aText);
record->mText2 = aText2 ? PL_strdup(aText2) : nsnull;
++threadLogPrivate->mNextRecord;
if (threadLogPrivate->mNextRecord == threadLogPrivate->mRecordsTail) {
// This calls RecordBatch::FlushBatch(threadLogPrivate)
PR_SetThreadPrivate(gThreadPrivateIndex, nsnull);
}
#endif
}
/*
* Get current thread-local JSThread info, creating one if it doesn't exist.
* Each thread has a unique JSThread pointer.
*
* Since we are dealing with thread-local data, no lock is needed.
*
* Return a pointer to the thread local info, NULL if the system runs out
* of memory, or it failed to set thread private data (neither case is very
* likely; both are probably due to out-of-memory). It is up to the caller
* to report an error, if possible.
*/
JSThread *
js_GetCurrentThread(JSRuntime *rt)
{
JSThread *thread;
thread = (JSThread *)PR_GetThreadPrivate(threadTPIndex);
if (!thread) {
thread = (JSThread *) calloc(1, sizeof(JSThread));
if (!thread)
return NULL;
if (PR_FAILURE == PR_SetThreadPrivate(threadTPIndex, thread)) {
free(thread);
return NULL;
}
JS_INIT_CLIST(&thread->contextList);
thread->id = js_CurrentThreadId();
/* js_SetContextThread initialize gcFreeLists as necessary. */
#ifdef DEBUG
memset(thread->gcFreeLists, JS_FREE_PATTERN,
sizeof(thread->gcFreeLists));
#endif
}
return thread;
}
// static
void Shutdown()
{
#ifdef MOZ_VISUAL_EVENT_TRACER
MOZ_EVENT_TRACER_MARK(gFlushingThread, "Profiling End");
// This must be called after all other threads had been shut down
// (i.e. their private data had been 'released').
// Release the private data of this thread to flush all the remaning writes.
PR_SetThreadPrivate(gThreadPrivateIndex, nsnull);
if (gFlushingThread) {
{
MonitorAutoLock mon(*gMonitor);
gInitialized = false;
gStopFlushingThread = true;
mon.Notify();
}
PR_JoinThread(gFlushingThread);
gFlushingThread = nsnull;
}
if (gMonitor) {
delete gMonitor;
gMonitor = nsnull;
}
if (gEventFilter) {
delete gEventFilter;
gEventFilter = nsnull;
}
#endif
}
void
nsThreadManager::Shutdown()
{
NS_ASSERTION(NS_IsMainThread(), "shutdown not called from main thread");
// Prevent further access to the thread manager (no more new threads!)
//
// XXX What happens if shutdown happens before NewThread completes?
// Fortunately, NewThread is only called on the main thread for now.
//
mInitialized = PR_FALSE;
// Empty the main thread event queue before we begin shutting down threads.
NS_ProcessPendingEvents(mMainThread);
// We gather the threads from the hashtable into a list, so that we avoid
// holding the hashtable lock while calling nsIThread::Shutdown.
nsThreadArray threads;
{
nsAutoLock lock(mLock);
mThreadsByPRThread.Enumerate(AppendAndRemoveThread, &threads);
}
// It's tempting to walk the list of threads here and tell them each to stop
// accepting new events, but that could lead to badness if one of those
// threads is stuck waiting for a response from another thread. To do it
// right, we'd need some way to interrupt the threads.
//
// Instead, we process events on the current thread while waiting for threads
// to shutdown. This means that we have to preserve a mostly functioning
// world until such time as the threads exit.
// Shutdown all threads that require it (join with threads that we created).
for (PRUint32 i = 0; i < threads.Length(); ++i) {
nsThread *thread = threads[i];
if (thread->ShutdownRequired())
thread->Shutdown();
}
// In case there are any more events somehow...
NS_ProcessPendingEvents(mMainThread);
// There are no more background threads at this point.
// Clear the table of threads.
{
nsAutoLock lock(mLock);
mThreadsByPRThread.Clear();
}
// Release main thread object.
mMainThread = nsnull;
// Remove the TLS entry for the main thread.
PR_SetThreadPrivate(mCurThreadIndex, nsnull);
// We don't need this lock anymore.
PR_DestroyLock(mLock);
mLock = nsnull;
}
static TimelineThreadData *GetThisThreadData()
{
NS_ABORT_IF_FALSE(gTLSIndex!=BAD_TLS_INDEX, "Our TLS not initialized");
TimelineThreadData *new_data = nsnull;
TimelineThreadData *data = (TimelineThreadData *)PR_GetThreadPrivate(gTLSIndex);
if (data == nsnull) {
// First request for this thread - allocate it.
new_data = new TimelineThreadData();
if (!new_data)
goto done;
// Fill it
new_data->timers = PL_NewHashTable(100, PL_HashString, PL_CompareStrings,
PL_CompareValues, NULL, NULL);
if (new_data->timers==NULL)
goto done;
new_data->initTime = PR_Now();
NS_WARN_IF_FALSE(!gTimelineDisabled,
"Why are we creating new state when disabled?");
new_data->disabled = PR_FALSE;
data = new_data;
new_data = nsnull;
PR_SetThreadPrivate(gTLSIndex, data);
}
done:
if (new_data) // eeek - error during creation!
delete new_data;
NS_WARN_IF_FALSE(data, "TimelineService could not get thread-local data");
return data;
}
NSS_IMPLEMENT void
nss_DestroyErrorStack ( void)
{
if( INVALID_TPD_INDEX != error_stack_index ) {
PR_SetThreadPrivate(error_stack_index, NULL);
}
return;
}
// static
XPCPerThreadData*
XPCPerThreadData::GetDataImpl(JSContext *cx)
{
XPCPerThreadData* data;
if(!gLock)
{
gLock = PR_NewLock();
if(!gLock)
return nsnull;
}
if(gTLSIndex == BAD_TLS_INDEX)
{
nsAutoLock lock(gLock);
// check again now that we have the lock...
if(gTLSIndex == BAD_TLS_INDEX)
{
if(PR_FAILURE ==
PR_NewThreadPrivateIndex(&gTLSIndex, xpc_ThreadDataDtorCB))
{
NS_ERROR("PR_NewThreadPrivateIndex failed!");
gTLSIndex = BAD_TLS_INDEX;
return nsnull;
}
}
}
data = (XPCPerThreadData*) PR_GetThreadPrivate(gTLSIndex);
if(!data)
{
data = new XPCPerThreadData();
if(!data || !data->IsValid())
{
NS_ERROR("new XPCPerThreadData() failed!");
if(data)
delete data;
return nsnull;
}
if(PR_FAILURE == PR_SetThreadPrivate(gTLSIndex, data))
{
NS_ERROR("PR_SetThreadPrivate failed!");
delete data;
return nsnull;
}
}
if(cx && !sMainJSThread && NS_IsMainThread())
{
sMainJSThread = cx->thread;
sMainThreadData = data;
sMainThreadData->mThread = PR_GetCurrentThread();
}
return data;
}
//-------------------------------------------------------------------------
//
// destructor
//
//-------------------------------------------------------------------------
nsToolkit::~nsToolkit()
{
if (mSharedGC) {
gdk_gc_unref(mSharedGC);
}
// Remove the TLS reference to the toolkit...
PR_SetThreadPrivate(gToolkitTLSIndex, nsnull);
}
void
nsTraceRefcnt::SetActivityIsLegal(bool aLegal)
{
if (gActivityTLS == BAD_TLS_INDEX) {
PR_NewThreadPrivateIndex(&gActivityTLS, nullptr);
}
PR_SetThreadPrivate(gActivityTLS, reinterpret_cast<void*>(!aLegal));
}
// Free the thread state for the current thread
// (Presumably previously create with a call to
// PyXPCOM_ThreadState_Ensure)
void PyXPCOM_ThreadState_Free()
{
ThreadData *pData = (ThreadData *)PR_GetThreadPrivate(tlsIndex);
if (!pData) return;
PyThreadState *thisThreadState = pData->ts;
PyThreadState_Delete(thisThreadState);
PR_SetThreadPrivate(tlsIndex, NULL);
nsMemory::Free(pData);
}
void nsAutoCMonitor::Exit()
{
#ifdef DEBUG
(void) PR_SetThreadPrivate(LockStackTPI, mDown);
#endif
PRStatus status = PR_CExitMonitor(mLockObject);
NS_ASSERTION(status == PR_SUCCESS, "PR_CExitMonitor failed");
mLockCount -= 1;
}
void
nsTraceRefcntImpl::SetActivityIsLegal(bool aLegal)
{
#ifdef NS_IMPL_REFCNT_LOGGING
if (gActivityTLS == BAD_TLS_INDEX)
PR_NewThreadPrivateIndex(&gActivityTLS, nullptr);
PR_SetThreadPrivate(gActivityTLS, NS_INT32_TO_PTR(!aLegal));
#endif
}
void nsExceptionService::Shutdown()
{
mProviders.Reset();
if (lock) {
DropAllThreads();
PR_DestroyLock(lock);
lock = nsnull;
}
PR_SetThreadPrivate(tlsIndex, nsnull);
}
nsAutoLockBase::nsAutoLockBase(void* addr, nsAutoLockType type)
{
if (LockStackTPI == PRUintn(-1))
InitAutoLockStatics();
nsAutoLockBase* stackTop =
(nsAutoLockBase*) PR_GetThreadPrivate(LockStackTPI);
if (stackTop) {
if (stackTop->mAddr == addr) {
// Ignore reentry: it's legal for monitors, and NSPR will assert
// if you reenter a PRLock.
} else if (!addr) {
// Ignore null addresses: the caller promises not to use the
// lock at all, and NSPR will assert if you enter it.
} else {
const void* node =
#ifdef NS_TRACE_MALLOC_XXX
NS_GetStackTrace(1)
#else
nsnull
#endif
;
nsNamedVector* vec1;
nsNamedVector* vec2;
PRUint32 i2;
if (!WellOrdered(stackTop->mAddr, addr, node, &i2, &vec1, &vec2)) {
char buf[128];
PR_snprintf(buf, sizeof buf,
"Potential deadlock between %s%s@%p and %s%s@%p",
vec1->mName ? vec1->mName : "",
LockTypeNames[stackTop->mType],
stackTop->mAddr,
vec2->mName ? vec2->mName : "",
LockTypeNames[type],
addr);
#ifdef NS_TRACE_MALLOC_XXX
fprintf(stderr, "\n*** %s\n\nCurrent stack:\n", buf);
NS_DumpStackTrace(node, stderr);
fputs("\nPrevious stack:\n", stderr);
NS_DumpStackTrace(vec2->mInnerSites.ElementAt(i2), stderr);
putc('\n', stderr);
#endif
NS_ERROR(buf);
}
}
}
mAddr = addr;
mDown = stackTop;
mType = type;
if (mAddr)
(void) PR_SetThreadPrivate(LockStackTPI, this);
}
void
nsTraceRefcnt::SetActivityIsLegal(bool aLegal)
{
#ifdef NS_IMPL_REFCNT_LOGGING
if (gActivityTLS == BAD_TLS_INDEX) {
PR_NewThreadPrivateIndex(&gActivityTLS, nullptr);
}
PR_SetThreadPrivate(gActivityTLS, reinterpret_cast<void*>(!aLegal));
#endif
}
void
nsThreadManager::UnregisterCurrentThread(nsThread *thread)
{
NS_ASSERTION(thread->GetPRThread() == PR_GetCurrentThread(), "bad thread");
nsAutoLock lock(mLock);
mThreadsByPRThread.Remove(thread->GetPRThread());
PR_SetThreadPrivate(mCurThreadIndex, nsnull);
// Ref-count balanced via ReleaseObject
}
//-------------------------------------------------------------------------
//
// Return the nsIToolkit for the current thread. If a toolkit does not
// yet exist, then one will be created...
//
//-------------------------------------------------------------------------
NS_METHOD NS_GetCurrentToolkit(nsIToolkit* *aResult)
{
nsIToolkit* toolkit = nsnull;
nsresult rv = NS_OK;
PRStatus status;
#ifdef DEBUG
printf("TK-GetCTK\n");
#endif
// Create the TLS index the first time through...
if (0 == gToolkitTLSIndex)
{
status = PR_NewThreadPrivateIndex(&gToolkitTLSIndex, NULL);
if (PR_FAILURE == status)
{
rv = NS_ERROR_FAILURE;
}
}
if (NS_SUCCEEDED(rv))
{
toolkit = (nsIToolkit*)PR_GetThreadPrivate(gToolkitTLSIndex);
//
// Create a new toolkit for this thread...
//
if (!toolkit)
{
toolkit = new nsToolkit();
if (!toolkit)
{
rv = NS_ERROR_OUT_OF_MEMORY;
}
else
{
NS_ADDREF(toolkit);
toolkit->Init(PR_GetCurrentThread());
//
// The reference stored in the TLS is weak. It is removed in the
// nsToolkit destructor...
//
PR_SetThreadPrivate(gToolkitTLSIndex, (void*)toolkit);
}
}
else
{
NS_ADDREF(toolkit);
}
*aResult = toolkit;
}
return rv;
}
void
nsThreadManager::RegisterCurrentThread(nsThread *thread)
{
NS_ASSERTION(thread->GetPRThread() == PR_GetCurrentThread(), "bad thread");
nsAutoLock lock(mLock);
mThreadsByPRThread.Put(thread->GetPRThread(), thread); // XXX check OOM?
NS_ADDREF(thread); // for TLS entry
PR_SetThreadPrivate(mCurThreadIndex, thread);
}
void nsAutoCMonitor::Enter()
{
#ifdef DEBUG
nsAutoLockBase* stackTop =
(nsAutoLockBase*) PR_GetThreadPrivate(LockStackTPI);
NS_ASSERTION(stackTop == mDown, "non-LIFO nsAutoCMonitor::Enter");
mDown = stackTop;
(void) PR_SetThreadPrivate(LockStackTPI, this);
#endif
PR_CEnterMonitor(mLockObject);
mLockCount += 1;
}
void nsAutoMonitor::Exit()
{
#ifdef DEBUG
if (!mAddr) {
NS_ERROR("It is not legal to exit a null monitor");
return;
}
(void) PR_SetThreadPrivate(LockStackTPI, mDown);
#endif
PRStatus status = PR_ExitMonitor(mMonitor);
NS_ASSERTION(status == PR_SUCCESS, "PR_ExitMonitor failed");
mLockCount -= 1;
}
void nsAutoLockBase::Hide()
{
if (!mAddr)
return;
nsAutoLockBase* curr = (nsAutoLockBase*) PR_GetThreadPrivate(LockStackTPI);
nsAutoLockBase* prev = nsnull;
while (curr != this) {
prev = curr;
curr = prev->mDown;
}
if (!prev)
PR_SetThreadPrivate(LockStackTPI, mDown);
else
prev->mDown = mDown;
}
/*
* mempool_destroy is a callback which is set to NSPR ThreadPrivateIndex
*/
static void
mempool_destroy()
{
int i = 0;
struct mempool *my_mempool;
#ifdef SHARED_MEMPOOL
for (i = 0; MEMPOOL_END != mempool[i].mempool_name; i++) {
struct mempool_object *object = NULL;
if (NULL == mempool[i].mempool_mutex) {
/* mutex is NULL; this mempool is not enabled */
continue;
}
object = mempool[i].mempool_head;
mempool[i].mempool_head = NULL;
while (NULL != object) {
struct mempool_object *next = object->mempool_next;
if (NULL != mempool[i].mempool_cleanup_fn) {
(mempool[i].mempool_cleanup_fn)((void *)object);
}
slapi_ch_free((void **)&object);
object = next;
}
PR_DestroyLock(mempool[i].mempool_mutex);
mempool[i].mempool_mutex = NULL;
}
#else
my_mempool = (struct mempool *)PR_GetThreadPrivate(mempool_index);
if (NULL == my_mempool || my_mempool[0].mempool_name != mempool_names[0]) {
/* mempool is not initialized */
return;
}
for (i = 0; i < MAX_MEMPOOL; i++) {
struct mempool_object *object = my_mempool[i].mempool_head;
while (NULL != object) {
struct mempool_object *next = object->mempool_next;
if (NULL != my_mempool[i].mempool_cleanup_fn) {
(my_mempool[i].mempool_cleanup_fn)((void *)object);
}
slapi_ch_free((void **)&object);
object = next;
}
my_mempool[i].mempool_head = NULL;
my_mempool[i].mempool_count = 0;
}
slapi_ch_free((void **)&my_mempool);
PR_SetThreadPrivate (mempool_index, (void *)NULL);
#endif
}
void nsAutoMonitor::Enter()
{
#ifdef DEBUG
if (!mAddr) {
NS_ERROR("It is not legal to enter a null monitor");
return;
}
nsAutoLockBase* stackTop =
(nsAutoLockBase*) PR_GetThreadPrivate(LockStackTPI);
NS_ASSERTION(stackTop == mDown, "non-LIFO nsAutoMonitor::Enter");
mDown = stackTop;
(void) PR_SetThreadPrivate(LockStackTPI, this);
#endif
PR_EnterMonitor(mMonitor);
mLockCount += 1;
}
/* readonly attribute nsIExceptionManager currentExceptionManager; */
NS_IMETHODIMP nsExceptionService::GetCurrentExceptionManager(nsIExceptionManager * *aCurrentScriptManager)
{
CHECK_SERVICE_USE_OK();
nsExceptionManager *mgr = (nsExceptionManager *)PR_GetThreadPrivate(tlsIndex);
if (mgr == nsnull) {
// Stick the new exception object in with no reference count.
mgr = new nsExceptionManager(this);
if (mgr == nsnull)
return NS_ERROR_OUT_OF_MEMORY;
PR_SetThreadPrivate(tlsIndex, mgr);
// The reference count is held in the thread-list
AddThread(mgr);
}
*aCurrentScriptManager = mgr;
NS_ADDREF(*aCurrentScriptManager);
return NS_OK;
}
/*
* return memory to memory pool
* (Callback cleanup function was intented to release nested memory in the
* memory area. Initially, memory had its structure which could point
* other memory area. But the current code (#else) expects no structure.
* Thus, the cleanup callback is not needed)
* The current code (#else) uses the memory pool stored in the
* per-thread-private data.
*/
int
mempool_return(int type, void *object, mempool_cleanup_callback cleanup)
{
PR_ASSERT(type >= 0 && type < MEMPOOL_END);
if (!config_get_mempool_switch()) {
return LDAP_SUCCESS; /* memory pool: off */
}
#ifdef SHARED_MEMPOOL
if (NULL == mempool[type].mempool_mutex) {
/* mutex is NULL; this mempool is not enabled */
return LDAP_SUCCESS;
}
PR_Lock(mempool[type].mempool_mutex);
((struct mempool_object *)object)->mempool_next = mempool[type].mempool_head;
mempool[type].mempool_head = (struct mempool_object *)object;
mempool[type].mempool_cleanup_fn = cleanup;
mempool[type].mempool_count++;
PR_Unlock(mempool[type].mempool_mutex);
return LDAP_SUCCESS;
#else
{
struct mempool *my_mempool;
int maxfreelist;
my_mempool = (struct mempool *)PR_GetThreadPrivate(mempool_index);
if (NULL == my_mempool || my_mempool[0].mempool_name != mempool_names[0]) {
/* mempool is not initialized */
mempool_init(&my_mempool);
}
((struct mempool_object *)object)->mempool_next = my_mempool[type].mempool_head;
maxfreelist = config_get_mempool_maxfreelist();
if ((maxfreelist > 0) && (my_mempool[type].mempool_count > maxfreelist)) {
return LDAP_UNWILLING_TO_PERFORM;
} else {
((struct mempool_object *)object)->mempool_next = mempool[type].mempool_head;
my_mempool[type].mempool_head = (struct mempool_object *)object;
my_mempool[type].mempool_cleanup_fn = cleanup;
my_mempool[type].mempool_count++;
PR_SetThreadPrivate (mempool_index, (void *)my_mempool);
return LDAP_SUCCESS;
}
}
#endif
}
static error_stack *
error_get_my_stack ( void)
{
PRStatus st;
error_stack *rv;
PRUintn new_size;
PRUint32 new_bytes;
error_stack *new_stack;
if( INVALID_TPD_INDEX == error_stack_index ) {
st = PR_CallOnce(&error_call_once, error_once_function);
if( PR_SUCCESS != st ) {
return (error_stack *)NULL;
}
}
rv = (error_stack *)PR_GetThreadPrivate(error_stack_index);
if( (error_stack *)NULL == rv ) {
/* Doesn't exist; create one */
new_size = 16;
} else if( rv->header.count == rv->header.space &&
rv->header.count < NSS_MAX_ERROR_STACK_COUNT ) {
/* Too small, expand it */
new_size = PR_MIN( rv->header.space * 2, NSS_MAX_ERROR_STACK_COUNT);
} else {
/* Okay, return it */
return rv;
}
new_bytes = (new_size * sizeof(PRInt32)) + sizeof(error_stack);
/* Use NSPR's calloc/realloc, not NSS's, to avoid loops! */
new_stack = PR_Calloc(1, new_bytes);
if( (error_stack *)NULL != new_stack ) {
if( (error_stack *)NULL != rv ) {
(void)nsslibc_memcpy(new_stack,rv,rv->header.space);
}
new_stack->header.space = new_size;
}
/* Set the value, whether or not the allocation worked */
PR_SetThreadPrivate(error_stack_index, new_stack);
return new_stack;
}
// static
void
XPCPerThreadData::CleanupAllThreads()
{
// I've questioned the sense of cleaning up other threads' data from the
// start. But I got talked into it. Now I see that we *can't* do all the
// cleaup while holding this lock. So, we are going to go to the trouble
// to copy out the data that needs to be cleaned up *outside* of
// the lock. Yuk!
XPCJSContextStack** stacks = nsnull;
int count = 0;
int i;
if(gLock)
{
nsAutoLock lock(gLock);
for(XPCPerThreadData* cur = gThreads; cur; cur = cur->mNextThread)
count++;
stacks = (XPCJSContextStack**) new XPCJSContextStack*[count] ;
if(stacks)
{
i = 0;
for(XPCPerThreadData* cur = gThreads; cur; cur = cur->mNextThread)
{
stacks[i++] = cur->mJSContextStack;
cur->mJSContextStack = nsnull;
cur->Cleanup();
}
}
}
if(stacks)
{
for(i = 0; i < count; i++)
delete stacks[i];
delete [] stacks;
}
if(gTLSIndex != BAD_TLS_INDEX)
PR_SetThreadPrivate(gTLSIndex, nsnull);
}
// Ensure that we have a Python thread state available to use.
// If this is called for the first time on a thread, it will allocate
// the thread state. This does NOT change the state of the Python lock.
// Returns TRUE if a new thread state was created, or FALSE if a
// thread state already existed.
PRBool PyXPCOM_ThreadState_Ensure()
{
ThreadData *pData = (ThreadData *)PR_GetThreadPrivate(tlsIndex);
if (pData==NULL) { /* First request on this thread */
/* Check we have an interpreter state */
if (PyXPCOM_InterpreterState==NULL) {
Py_FatalError("Can not setup thread state, as have no interpreter state");
}
pData = (ThreadData *)nsMemory::Alloc(sizeof(ThreadData));
if (!pData)
Py_FatalError("Out of memory allocating thread state.");
memset(pData, 0, sizeof(*pData));
if (NS_FAILED( PR_SetThreadPrivate( tlsIndex, pData ) ) ) {
NS_ABORT_IF_FALSE(0, "Could not create thread data for this thread!");
Py_FatalError("Could not thread private thread data!");
}
pData->ts = PyThreadState_New(PyXPCOM_InterpreterState);
return PR_TRUE; // Did create a thread state state
}
return PR_FALSE; // Thread state was previously created
}
//-------------------------------------------------------------------------
//
// destructor
//
//-------------------------------------------------------------------------
nsToolkit::~nsToolkit()
{
NS_PRECONDITION(::IsWindow(mDispatchWnd), "Invalid window handle");
// Destroy the Dispatch Window
::DestroyWindow(mDispatchWnd);
mDispatchWnd = NULL;
// Remove the TLS reference to the toolkit...
PR_SetThreadPrivate(gToolkitTLSIndex, nsnull);
if (gMouseTrailer) {
gMouseTrailer->DestroyTimer();
delete gMouseTrailer;
gMouseTrailer = nsnull;
}
#if defined (MOZ_STATIC_COMPONENT_LIBS) || defined(WINCE)
nsToolkit::Shutdown();
#endif
}
/*
* get memory from memory pool
* The current code (#else) uses the memory pool stored in the
* per-thread-private data.
*/
void *
mempool_get(int type)
{
struct mempool_object *object = NULL;
struct mempool *my_mempool;
PR_ASSERT(type >= 0 && type < MEMPOOL_END);
if (!config_get_mempool_switch()) {
return NULL; /* memory pool: off */
}
#ifdef SHARED_MEMPOOL
if (NULL == mempool[type].mempool_mutex) {
/* mutex is NULL; this mempool is not enabled */
return NULL;
}
PR_Lock(mempool[type].mempool_mutex);
object = mempool[type].mempool_head;
if (NULL != object) {
mempool[type].mempool_head = object->mempool_next;
mempool[type].mempool_count--;
object->mempool_next = NULL;
}
PR_Unlock(mempool[type].mempool_mutex);
#else
my_mempool = (struct mempool *)PR_GetThreadPrivate(mempool_index);
if (NULL == my_mempool || my_mempool[0].mempool_name != mempool_names[0]) { /* mempool is not initialized */
return NULL;
}
object = my_mempool[type].mempool_head;
if (NULL != object) {
my_mempool[type].mempool_head = object->mempool_next;
my_mempool[type].mempool_count--;
object->mempool_next = NULL;
PR_SetThreadPrivate (mempool_index, (void *)my_mempool);
}
#endif
return object;
}
