PspExitProcess.c

VOID PspExitProcess(IN BOOLEAN LastThreadExit,
                    IN PEPROCESS Process) {
    // ...
    if (LastThreadExit) {
        // ...
        if (PspCreateProcessNotifyRoutineCount != 0) {
            ULONG i;
            PEX_CALLBACK_ROUTINE_BLOCK CallBack;
            PCREATE_PROCESS_NOTIFY_ROUTINE Rtn;

            for ( i = 0; i < PSP_MAX_CREATE_PROCESS_NOTIFY; i++ ) {
                CallBack = ExReferenceCallBackBlock(&PspCreateProcessNotifyRoutine[i]);
                
                if (CallBack != NULL) {
                    Rtn = (PCREATE_PROCESS_NOTIFY_ROUTINE)ExGetCallBackBlockRoutine(CallBack);
                    Rtn(Process->InheritedFromUniqueProcessId,
                        Process->UniqueProcessId,
                        FALSE);
                        
                    ExDereferenceCallBackBlock(&PspCreateProcessNotifyRoutine[i],
                                               CallBack);
                }
            }
        }
    }
// ...
}