Kernel/Interrupts: Return boolean on whether we handled the interrupt

If we are in a shared interrupt handler, the called handlers might
indicate it was not their interrupt, so we should not increment the
call counter of these handlers.

1 files changed, 3 insertions, 1 deletions

diff --git a/Kernel/Interrupts/GenericInterruptHandler.h b/Kernel/Interrupts/GenericInterruptHandler.h
index 368d03c0f0..b37c67772f 100644
--- a/Kernel/Interrupts/GenericInterruptHandler.h
+++ b/Kernel/Interrupts/GenericInterruptHandler.h
@@ -27,7 +27,9 @@ public:
     {
         VERIFY(!m_registered);
     }
-    virtual void handle_interrupt(const RegisterState& regs) = 0;
+    // Note: this method returns boolean value, to indicate if the handler handled
+    // the interrupt or not. This is useful for shared handlers mostly.
+    virtual bool handle_interrupt(const RegisterState& regs) = 0;
 
     void will_be_destroyed();
     bool is_registered() const { return m_registered; }