@@ -59,10 +59,19 @@
  * @brief This callback is called when an object did get ready for writing.
  *
  * @param object The object which did become ready for writing
  */
 - (void)objectIsReadyForWriting: (id)object;
+
+#ifdef OF_AMIGAOS
+/*!
+ * @brief This callback is called when an Exec Signal was received.
+ *
+ * @note This is only available on AmigaOS!
+ */
+- (void)execSignalWasReceived: (ULONG)signalMask;
+#endif
 @end
 
 /*!
  * @protocol OFReadyForReadingObserving
  *	     OFKernelEventObserver.h ObjFW/OFKernelEventObserver.h
@@ -119,17 +128,29 @@
 #ifdef OF_HAVE_THREADS
 	OFMutex *_mutex;
 #endif
 	OFMutableData *_queueActions;
 	OFMutableArray *_queueObjects;
+#ifdef OF_AMIGAOS
+	ULONG _execSignalMask;
+#endif
 }
 
 /*!
  * @brief The delegate for the OFKernelEventObserver.
  */
 @property OF_NULLABLE_PROPERTY (assign, nonatomic)
     id <OFKernelEventObserverDelegate> delegate;
+
+#ifdef OF_AMIGAOS
+/*!
+ * @brief A mask of Exec Signals to wait for.
+ *
+ * @note This is only available on AmigaOS!
+ */
+@property (nonatomic) ULONG execSignalMask;
+#endif
 
 /*!
  * @brief Creates a new OFKernelEventObserver.
  *
  * @return A new, autoreleased OFKernelEventObserver