void Invocation_popInvocation(bool wasException)
{
CallLocal* cl;
Invocation* ctx = currentInvocation->previous;
if(currentInvocation->invocation != 0)
{
if(!wasException)
JNI_callVoidMethod(currentInvocation->invocation, s_Invocation_onExit);
JNI_deleteGlobalRef(currentInvocation->invocation);
}
/*
* Check for any DualState objects that became unreachable and can be freed.
*/
pljava_DualState_cleanEnqueuedInstances();
if(currentInvocation->hasConnected)
SPI_finish();
JNI_popLocalFrame(0);
if(ctx != 0)
{
PG_TRY();
{
Backend_setJavaSecurity(ctx->trusted);
}
PG_CATCH();
{
elog(FATAL, "Failed to reinstate untrusted security after a trusted call or vice versa");
}
PG_END_TRY();
MemoryContextSwitchTo(ctx->upperContext);
}
/**
* Reset all local wrappers that has been allocated during this call. Yank them
* from the double linked list but do *not* remove them.
*/
cl = currentInvocation->callLocals;
if(cl != 0)
{
CallLocal* first = cl;
do
{
cl->pointer = 0;
cl->invocation = 0;
cl = cl->next;
} while(cl != first);
}
currentInvocation = ctx;
--s_callLevel;
}
void Invocation_pushInvocation(Invocation* ctx, bool trusted)
{
JNI_pushLocalFrame(LOCAL_FRAME_SIZE);
ctx->invocation = 0;
ctx->function = 0;
ctx->trusted = trusted;
ctx->hasConnected = false;
ctx->upperContext = CurrentMemoryContext;
ctx->errorOccured = false;
ctx->inExprContextCB = false;
ctx->previous = currentInvocation;
ctx->callLocals = 0;
currentInvocation = ctx;
Backend_setJavaSecurity(trusted);
++s_callLevel;
}
