BOOLEAN NTAPI KeConnectInterrupt ( PKINTERRUPT InterruptObject )
Definition at line 541 of file ppc_irq.c.
{
   KIRQL oldlvl,synch_oldlvl;
   PKINTERRUPT ListHead;
   ULONG Vector;
   PISR_TABLE CurrentIsr;
   BOOLEAN Result;

   DPRINT("KeConnectInterrupt()\n");

   Vector = InterruptObject->Vector;

   if (Vector < 0 || Vector >= NR_TRAPS)
      return FALSE;

   ASSERT (InterruptObject->Number < KeNumberProcessors);

   KeSetSystemAffinityThread(1 << InterruptObject->Number);

   CurrentIsr = &IsrTable[Vector][(ULONG)InterruptObject->Number];

   KeRaiseIrql(Vector,&oldlvl);
   KiAcquireSpinLock(&CurrentIsr->Lock);

   /*
    * Check if the vector is already in use that we can share it
    */
   if (!IsListEmpty(&CurrentIsr->ListHead))
   {
      ListHead = CONTAINING_RECORD(CurrentIsr->ListHead.Flink,KINTERRUPT,InterruptListEntry);
      if (InterruptObject->ShareVector == FALSE || ListHead->ShareVector==FALSE)
      {
         KiReleaseSpinLock(&CurrentIsr->Lock);
         KeLowerIrql(oldlvl);
         KeRevertToUserAffinityThread();
         return FALSE;
      }
   }

   synch_oldlvl = KeAcquireInterruptSpinLock(InterruptObject);

   DPRINT("%x %x\n",CurrentIsr->ListHead.Flink, CurrentIsr->ListHead.Blink);

   Result = HalEnableSystemInterrupt(Vector, InterruptObject->Irql, InterruptObject->Mode);
   if (Result)
   {
      InsertTailList(&CurrentIsr->ListHead,&InterruptObject->InterruptListEntry);
      DPRINT("%x %x\n",InterruptObject->InterruptListEntry.Flink, InterruptObject->InterruptListEntry.Blink);
   }

   InterruptObject->Connected = TRUE;
   KeReleaseInterruptSpinLock(InterruptObject, synch_oldlvl);

   /*
    * Release the table spinlock
    */
   KiReleaseSpinLock(&CurrentIsr->Lock);
   KeLowerIrql(oldlvl);

   KeDumpIrqList();

   KeRevertToUserAffinityThread();

   return Result;
}
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