// 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;
}
// static
void
XPCLazyCallContext::AssertContextIsTopOfStack(JSContext* cx)
{
XPCPerThreadData* tls = XPCPerThreadData::GetData(cx);
XPCJSContextStack* stack = tls->GetJSContextStack();
JSContext* topJSContext;
nsresult rv = stack->Peek(&topJSContext);
NS_ASSERTION(NS_SUCCEEDED(rv), "XPCJSContextStack::Peek failed");
NS_ASSERTION(cx == topJSContext, "wrong context on XPCJSContextStack!");
}
XPCContext*
XPCJSRuntime::SyncXPCContextList(JSContext* cx /* = nsnull */)
{
// hold the map lock through this whole thing
XPCAutoLock lock(GetMapLock());
XPCContext* found = nsnull;
// add XPCContexts that represent any JSContexts we have not seen before
JSContext *cur, *iter = nsnull;
while(nsnull != (cur = JS_ContextIterator(mJSRuntime, &iter)))
{
XPCContext* xpcc = mContextMap->Find(cur);
if(!xpcc)
{
xpcc = XPCContext::newXPCContext(this, cur);
if(xpcc)
mContextMap->Add(xpcc);
}
if(xpcc)
{
xpcc->Mark();
}
// if it is our first context then we need to generate our string ids
if(!mStrIDs[0])
{
JSAutoRequest ar(cur);
GenerateStringIDs(cur);
}
if(cx && cx == cur)
found = xpcc;
}
// get rid of any XPCContexts that represent dead JSContexts
mContextMap->Enumerate(SweepContextsCB, 0);
XPCPerThreadData* tls = XPCPerThreadData::GetData(cx);
if(tls)
{
if(found)
tls->SetRecentContext(cx, found);
else
tls->ClearRecentContext();
}
return found;
}
NS_IMETHODIMP
nsXPCJSContextStackIterator::Reset(nsIJSContextStack *aStack)
{
NS_ASSERTION(aStack == nsXPConnect::GetXPConnect(),
"aStack must be implemented by XPConnect singleton");
XPCPerThreadData* data = XPCPerThreadData::GetData(nsnull);
if(!data)
return NS_ERROR_FAILURE;
mStack = data->GetJSContextStack()->GetStack();
if(mStack->IsEmpty())
mStack = nsnull;
else
mPosition = mStack->Length() - 1;
return NS_OK;
}
void
xpc_qsAssertContextOK(JSContext *cx)
{
XPCPerThreadData *thread = XPCPerThreadData::GetData(cx);
XPCJSContextStack* stack = thread->GetJSContextStack();
JSContext* topJSContext = nsnull;
nsresult rv = stack->Peek(&topJSContext);
NS_ASSERTION(NS_SUCCEEDED(rv), "XPCJSContextStack::Peek failed");
// This is what we're actually trying to assert here.
NS_ASSERTION(cx == topJSContext, "wrong context on XPCJSContextStack!");
NS_ASSERTION(XPCPerThreadData::IsMainThread(cx),
"XPConnect quick stub called on non-main thread");
}
// 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);
}
// static
void XPCJSRuntime::TraceJS(JSTracer* trc, void* data)
{
XPCJSRuntime* self = (XPCJSRuntime*)data;
// Skip this part if XPConnect is shutting down. We get into
// bad locking problems with the thread iteration otherwise.
if(!self->GetXPConnect()->IsShuttingDown())
{
PRLock* threadLock = XPCPerThreadData::GetLock();
if(threadLock)
{ // scoped lock
nsAutoLock lock(threadLock);
XPCPerThreadData* iterp = nsnull;
XPCPerThreadData* thread;
while(nsnull != (thread =
XPCPerThreadData::IterateThreads(&iterp)))
{
// Trace those AutoMarkingPtr lists!
thread->TraceJS(trc);
}
}
}
// XPCJSObjectHolders don't participate in cycle collection, so always trace
// them here.
for(XPCRootSetElem *e = self->mObjectHolderRoots; e ; e = e->GetNextRoot())
static_cast<XPCJSObjectHolder*>(e)->TraceJS(trc);
// Mark these roots as gray so the CC can walk them later.
js::GCMarker *gcmarker = NULL;
if (IS_GC_MARKING_TRACER(trc)) {
gcmarker = static_cast<js::GCMarker *>(trc);
JS_ASSERT(gcmarker->getMarkColor() == XPC_GC_COLOR_BLACK);
gcmarker->setMarkColor(XPC_GC_COLOR_GRAY);
}
self->TraceXPConnectRoots(trc);
if (gcmarker)
gcmarker->setMarkColor(XPC_GC_COLOR_BLACK);
}
ContextCallback(JSContext *cx, uintN operation)
{
XPCJSRuntime* self = nsXPConnect::GetRuntime();
if (self)
{
if (operation == JSCONTEXT_NEW)
{
// Set the limits on the native and script stack space.
XPCPerThreadData* tls = XPCPerThreadData::GetData(cx);
if(tls)
{
JS_SetThreadStackLimit(cx, tls->GetStackLimit());
}
JS_SetScriptStackQuota(cx, 100*1024*1024);
}
}
return gOldJSContextCallback
? gOldJSContextCallback(cx, operation)
: JS_TRUE;
}
// static
void
XPCThrower::BuildAndThrowException(JSContext* cx, nsresult rv, const char* sz)
{
JSBool success = JS_FALSE;
/* no need to set an expection if the security manager already has */
if(rv == NS_ERROR_XPC_SECURITY_MANAGER_VETO && JS_IsExceptionPending(cx))
return;
nsCOMPtr<nsIException> finalException;
nsCOMPtr<nsIException> defaultException;
nsXPCException::NewException(sz, rv, nsnull, nsnull, getter_AddRefs(defaultException));
XPCPerThreadData* tls = XPCPerThreadData::GetData(cx);
if(tls)
{
nsIExceptionManager * exceptionManager = tls->GetExceptionManager();
if(exceptionManager)
{
// Ask the provider for the exception, if there is no provider
// we expect it to set e to null
exceptionManager->GetExceptionFromProvider(
rv,
defaultException,
getter_AddRefs(finalException));
// We should get at least the defaultException back,
// but just in case
if(finalException == nsnull)
{
finalException = defaultException;
}
}
}
// XXX Should we put the following test and call to JS_ReportOutOfMemory
// inside this test?
if(finalException)
success = ThrowExceptionObject(cx, finalException);
// If we weren't able to build or throw an exception we're
// most likely out of memory
if(!success)
JS_ReportOutOfMemory(cx);
}
// static
void XPCJSRuntime::TraceJS(JSTracer* trc, void* data)
{
XPCJSRuntime* self = (XPCJSRuntime*)data;
// Skip this part if XPConnect is shutting down. We get into
// bad locking problems with the thread iteration otherwise.
if(!self->GetXPConnect()->IsShuttingDown())
{
PRLock* threadLock = XPCPerThreadData::GetLock();
if(threadLock)
{ // scoped lock
nsAutoLock lock(threadLock);
XPCPerThreadData* iterp = nsnull;
XPCPerThreadData* thread;
while(nsnull != (thread =
XPCPerThreadData::IterateThreads(&iterp)))
{
// Trace those AutoMarkingPtr lists!
thread->TraceJS(trc);
}
}
}
// XPCJSObjectHolders don't participate in cycle collection, so always trace
// them here.
for(XPCRootSetElem *e = self->mObjectHolderRoots; e ; e = e->GetNextRoot())
static_cast<XPCJSObjectHolder*>(e)->TraceJS(trc);
if(self->GetXPConnect()->ShouldTraceRoots())
{
// Only trace these if we're not cycle-collecting, the cycle collector
// will do that if we are.
self->TraceXPConnectRoots(trc);
}
}
// static
JSBool XPCJSRuntime::GCCallback(JSContext *cx, JSGCStatus status)
{
nsVoidArray* dyingWrappedJSArray;
XPCJSRuntime* self = nsXPConnect::GetRuntime();
if(self)
{
switch(status)
{
case JSGC_BEGIN:
{
if(!NS_IsMainThread())
{
return JS_FALSE;
}
break;
}
case JSGC_MARK_END:
{
NS_ASSERTION(!self->mDoingFinalization, "bad state");
// mThreadRunningGC indicates that GC is running
{ // scoped lock
XPCAutoLock lock(self->GetMapLock());
NS_ASSERTION(!self->mThreadRunningGC, "bad state");
self->mThreadRunningGC = PR_GetCurrentThread();
}
dyingWrappedJSArray = &self->mWrappedJSToReleaseArray;
{
JSDyingJSObjectData data = {cx, dyingWrappedJSArray};
// Add any wrappers whose JSObjects are to be finalized to
// this array. Note that this is a nsVoidArray because
// we do not want to be changing the refcount of these wrappers.
// We add them to the array now and Release the array members
// later to avoid the posibility of doing any JS GCThing
// allocations during the gc cycle.
self->mWrappedJSMap->
Enumerate(WrappedJSDyingJSObjectFinder, &data);
}
// Do cleanup in NativeInterfaces. This part just finds
// member cloned function objects that are about to be
// collected. It does not deal with collection of interfaces or
// sets at this point.
CX_AND_XPCRT_Data data = {cx, self};
self->mIID2NativeInterfaceMap->
Enumerate(NativeInterfaceGC, &data);
// Find dying scopes...
XPCWrappedNativeScope::FinishedMarkPhaseOfGC(cx, self);
self->mDoingFinalization = JS_TRUE;
break;
}
case JSGC_FINALIZE_END:
{
NS_ASSERTION(self->mDoingFinalization, "bad state");
self->mDoingFinalization = JS_FALSE;
// Release all the members whose JSObjects are now known
// to be dead.
dyingWrappedJSArray = &self->mWrappedJSToReleaseArray;
while(1)
{
nsXPCWrappedJS* wrapper;
PRInt32 count = dyingWrappedJSArray->Count();
if(!count)
{
dyingWrappedJSArray->Compact();
break;
}
wrapper = static_cast<nsXPCWrappedJS*>
(dyingWrappedJSArray->ElementAt(count-1));
dyingWrappedJSArray->RemoveElementAt(count-1);
NS_RELEASE(wrapper);
}
#ifdef XPC_REPORT_NATIVE_INTERFACE_AND_SET_FLUSHING
printf("--------------------------------------------------------------\n");
int setsBefore = (int) self->mNativeSetMap->Count();
int ifacesBefore = (int) self->mIID2NativeInterfaceMap->Count();
#endif
// We use this occasion to mark and sweep NativeInterfaces,
// NativeSets, and the WrappedNativeJSClasses...
// Do the marking...
XPCWrappedNativeScope::MarkAllWrappedNativesAndProtos();
self->mDetachedWrappedNativeProtoMap->
Enumerate(DetachedWrappedNativeProtoMarker, nsnull);
// Mark the sets used in the call contexts. There is a small
// chance that a wrapper's set will change *while* a call is
// happening which uses that wrapper's old interfface set. So,
// we need to do this marking to avoid collecting those sets
// that might no longer be otherwise reachable from the wrappers
// or the wrapperprotos.
// Skip this part if XPConnect is shutting down. We get into
// bad locking problems with the thread iteration otherwise.
if(!self->GetXPConnect()->IsShuttingDown())
{
PRLock* threadLock = XPCPerThreadData::GetLock();
if(threadLock)
{ // scoped lock
nsAutoLock lock(threadLock);
XPCPerThreadData* iterp = nsnull;
XPCPerThreadData* thread;
while(nsnull != (thread =
XPCPerThreadData::IterateThreads(&iterp)))
{
// Mark those AutoMarkingPtr lists!
thread->MarkAutoRootsAfterJSFinalize();
XPCCallContext* ccxp = thread->GetCallContext();
while(ccxp)
{
// Deal with the strictness of callcontext that
// complains if you ask for a set when
// it is in a state where the set could not
// possibly be valid.
if(ccxp->CanGetSet())
{
XPCNativeSet* set = ccxp->GetSet();
if(set)
set->Mark();
}
if(ccxp->CanGetInterface())
{
XPCNativeInterface* iface = ccxp->GetInterface();
if(iface)
iface->Mark();
}
ccxp = ccxp->GetPrevCallContext();
}
}
}
}
// Do the sweeping...
// We don't want to sweep the JSClasses at shutdown time.
// At this point there may be JSObjects using them that have
// been removed from the other maps.
if(!self->GetXPConnect()->IsShuttingDown())
{
self->mNativeScriptableSharedMap->
Enumerate(JSClassSweeper, nsnull);
}
self->mClassInfo2NativeSetMap->
Enumerate(NativeUnMarkedSetRemover, nsnull);
self->mNativeSetMap->
Enumerate(NativeSetSweeper, nsnull);
CX_AND_XPCRT_Data data = {cx, self};
self->mIID2NativeInterfaceMap->
Enumerate(NativeInterfaceSweeper, &data);
#ifdef DEBUG
XPCWrappedNativeScope::ASSERT_NoInterfaceSetsAreMarked();
#endif
#ifdef XPC_REPORT_NATIVE_INTERFACE_AND_SET_FLUSHING
int setsAfter = (int) self->mNativeSetMap->Count();
int ifacesAfter = (int) self->mIID2NativeInterfaceMap->Count();
printf("\n");
printf("XPCNativeSets: before: %d collected: %d remaining: %d\n",
setsBefore, setsBefore - setsAfter, setsAfter);
printf("XPCNativeInterfaces: before: %d collected: %d remaining: %d\n",
ifacesBefore, ifacesBefore - ifacesAfter, ifacesAfter);
printf("--------------------------------------------------------------\n");
#endif
// Sweep scopes needing cleanup
XPCWrappedNativeScope::FinishedFinalizationPhaseOfGC(cx);
// Now we are going to recycle any unused WrappedNativeTearoffs.
// We do this by iterating all the live callcontexts (on all
// threads!) and marking the tearoffs in use. And then we
// iterate over all the WrappedNative wrappers and sweep their
// tearoffs.
//
// This allows us to perhaps minimize the growth of the
// tearoffs. And also makes us not hold references to interfaces
// on our wrapped natives that we are not actually using.
//
// XXX We may decide to not do this on *every* gc cycle.
// Skip this part if XPConnect is shutting down. We get into
// bad locking problems with the thread iteration otherwise.
if(!self->GetXPConnect()->IsShuttingDown())
{
PRLock* threadLock = XPCPerThreadData::GetLock();
if(threadLock)
{
// Do the marking...
{ // scoped lock
nsAutoLock lock(threadLock);
XPCPerThreadData* iterp = nsnull;
XPCPerThreadData* thread;
while(nsnull != (thread =
XPCPerThreadData::IterateThreads(&iterp)))
{
XPCCallContext* ccxp = thread->GetCallContext();
while(ccxp)
{
// Deal with the strictness of callcontext that
// complains if you ask for a tearoff when
// it is in a state where the tearoff could not
// possibly be valid.
if(ccxp->CanGetTearOff())
{
XPCWrappedNativeTearOff* to =
ccxp->GetTearOff();
if(to)
to->Mark();
}
ccxp = ccxp->GetPrevCallContext();
}
}
}
// Do the sweeping...
XPCWrappedNativeScope::SweepAllWrappedNativeTearOffs();
}
}
// Now we need to kill the 'Dying' XPCWrappedNativeProtos.
// We transfered these native objects to this table when their
// JSObject's were finalized. We did not destroy them immediately
// at that point because the ordering of JS finalization is not
// deterministic and we did not yet know if any wrappers that
// might still be referencing the protos where still yet to be
// finalized and destroyed. We *do* know that the protos'
// JSObjects would not have been finalized if there were any
// wrappers that referenced the proto but where not themselves
// slated for finalization in this gc cycle. So... at this point
// we know that any and all wrappers that might have been
// referencing the protos in the dying list are themselves dead.
// So, we can safely delete all the protos in the list.
self->mDyingWrappedNativeProtoMap->
Enumerate(DyingProtoKiller, nsnull);
// mThreadRunningGC indicates that GC is running.
// Clear it and notify waiters.
{ // scoped lock
XPCAutoLock lock(self->GetMapLock());
NS_ASSERTION(self->mThreadRunningGC == PR_GetCurrentThread(), "bad state");
self->mThreadRunningGC = nsnull;
xpc_NotifyAll(self->GetMapLock());
}
break;
}
case JSGC_END:
{
// NOTE that this event happens outside of the gc lock in
// the js engine. So this could be simultaneous with the
// events above.
// Do any deferred released of native objects.
nsVoidArray* array = &self->mNativesToReleaseArray;
#ifdef XPC_TRACK_DEFERRED_RELEASES
printf("XPC - Begin deferred Release of %d nsISupports pointers\n",
array->Count());
#endif
while(1)
{
nsISupports* obj;
{
PRInt32 count = array->Count();
if(!count)
{
array->Compact();
break;
}
obj = reinterpret_cast<nsISupports*>
(array->ElementAt(count-1));
array->RemoveElementAt(count-1);
}
NS_RELEASE(obj);
}
#ifdef XPC_TRACK_DEFERRED_RELEASES
printf("XPC - End deferred Releases\n");
#endif
break;
}
default:
break;
}
}
// always chain to old GCCallback if non-null.
return gOldJSGCCallback ? gOldJSGCCallback(cx, status) : JS_TRUE;
}
JSBool XPCDispObject::Invoke(XPCCallContext & ccx, CallMode mode)
{
nsresult rv = ccx.CanCallNow();
if(NS_FAILED(rv))
{
// If the security manager is complaining then this is not really an
// internal error in xpconnect. So, no reason to botch the assertion.
NS_ASSERTION(rv == NS_ERROR_XPC_SECURITY_MANAGER_VETO,
"hmm? CanCallNow failed in XPCDispObject::Invoke. "
"We are finding out about this late!");
XPCThrower::Throw(rv, ccx);
return JS_FALSE;
}
// TODO: Remove type cast and change GetIDispatchMember to use the correct type
XPCDispInterface::Member* member = reinterpret_cast<XPCDispInterface::Member*>(ccx.GetIDispatchMember());
XPCJSRuntime* rt = ccx.GetRuntime();
XPCContext* xpcc = ccx.GetXPCContext();
XPCPerThreadData* tls = ccx.GetThreadData();
jsval* argv = ccx.GetArgv();
uintN argc = ccx.GetArgc();
tls->SetException(nsnull);
xpcc->SetLastResult(NS_ERROR_UNEXPECTED);
// set up the method index and do the security check if needed
PRUint32 secFlag;
PRUint32 secAction;
switch(mode)
{
case CALL_METHOD:
secFlag = nsIXPCSecurityManager::HOOK_CALL_METHOD;
secAction = nsIXPCSecurityManager::ACCESS_CALL_METHOD;
break;
case CALL_GETTER:
secFlag = nsIXPCSecurityManager::HOOK_GET_PROPERTY;
secAction = nsIXPCSecurityManager::ACCESS_GET_PROPERTY;
break;
case CALL_SETTER:
secFlag = nsIXPCSecurityManager::HOOK_SET_PROPERTY;
secAction = nsIXPCSecurityManager::ACCESS_SET_PROPERTY;
break;
default:
NS_ASSERTION(0,"bad value");
return JS_FALSE;
}
jsval name = member->GetName();
nsIXPCSecurityManager* sm = xpcc->GetAppropriateSecurityManager(secFlag);
XPCWrappedNative* wrapper = ccx.GetWrapper();
if(sm && NS_FAILED(sm->CanAccess(secAction, &ccx, ccx,
ccx.GetFlattenedJSObject(),
wrapper->GetIdentityObject(),
wrapper->GetClassInfo(), name,
wrapper->GetSecurityInfoAddr())))
{
// the security manager vetoed. It should have set an exception.
return JS_FALSE;
}
IDispatch * pObj = reinterpret_cast<IDispatch*>
(ccx.GetTearOff()->GetNative());
PRUint32 args = member->GetParamCount();
uintN err;
// Make sure setter has one argument
if(mode == CALL_SETTER)
args = 1;
// Allow for optional parameters. We'll let COM handle the error if there
// are not enough parameters
if(argc < args)
args = argc;
XPCDispParams * params = new XPCDispParams(args);
jsval val;
// If this is a setter, we just need to convert the first parameter
if(mode == CALL_SETTER)
{
params->SetNamedPropID();
if(!XPCDispConvert::JSToCOM(ccx, argv[0], params->GetParamRef(0), err))
{
delete params;
return ThrowBadParam(err, 0, ccx);
}
}
else if(mode != CALL_GETTER) // This is a function
{
// Convert the arguments to the function
for(PRUint32 index = 0; index < args; ++index)
{
const XPCDispInterface::Member::ParamInfo & paramInfo = member->GetParamInfo(index);
if(paramInfo.IsIn())
{
val = argv[index];
if(paramInfo.IsOut())
{
if(JSVAL_IS_PRIMITIVE(val) ||
!OBJ_GET_PROPERTY(ccx, JSVAL_TO_OBJECT(val),
rt->GetStringID(XPCJSRuntime::IDX_VALUE),
&val))
{
delete params;
return ThrowBadParam(NS_ERROR_XPC_NEED_OUT_OBJECT, index, ccx);
}
paramInfo.InitializeOutputParam(params->GetOutputBuffer(index), params->GetParamRef(index));
}
if(!XPCDispConvert::JSToCOM(ccx, val, params->GetParamRef(index), err, paramInfo.IsOut()))
{
delete params;
return ThrowBadParam(err, index, ccx);
}
}
else
{
paramInfo.InitializeOutputParam(params->GetOutputBuffer(index), params->GetParamRef(index));
}
}
}
// If this is a parameterized property
if(member->IsParameterizedProperty())
{
// We need to get a parameterized property object to return to JS
// NewInstance takes ownership of params
if(XPCDispParamPropJSClass::NewInstance(ccx, wrapper,
member->GetDispID(),
params, &val))
{
ccx.SetRetVal(val);
if(!JS_IdToValue(ccx, 1, &val))
{
// This shouldn't fail
NS_ERROR("JS_IdToValue failed in XPCDispParamPropJSClass::NewInstance");
return JS_FALSE;
}
JS_SetCallReturnValue2(ccx, val);
return JS_TRUE;
}
// NewInstance would only fail if there was an out of memory problem
JS_ReportOutOfMemory(ccx);
delete params;
return JS_FALSE;
}
JSBool retval = Dispatch(ccx, pObj, member->GetDispID(), mode, params, &val, member, rt);
if(retval && mode == CALL_SETTER)
{
ccx.SetRetVal(argv[0]);
}
else
{
ccx.SetRetVal(val);
}
delete params;
return retval;
}
