re PR ada/41383 (Timing_Events: Event time not cleared after Cancel_Handler)

gcc/ada/
	PR ada/41383
	* a-rttiev.adb (Time_Of_Event): Return Time_First for unset event.

    gcc/testsuite/
	PR ada/41383
	* gnat.dg/timer_cancel.adb: New test.

From-SVN: r152487

gcc/ada/ChangeLog

@@ -1,3 +1,8 @@
+2009-10-06  Samuel Tardieu  <sam@rfc1149.net>
+
+	PR ada/41383
+	* a-rttiev.adb (Time_Of_Event): Return Time_First for unset event.
+
 2009-10-06  Samuel Tardieu  <sam@rfc1149.net>
 
 	PR ada/38333

gcc/ada/a-rttiev.adb

@@ -332,7 +332,13 @@ package body Ada.Real_Time.Timing_Events is
 
    function Time_Of_Event (Event : Timing_Event) return Time is
    begin
-      return Event.Timeout;
+      --  RM D.15(18/2): Time_First must be returned if the event is not set
+
+      if Event.Handler = null then
+         return Time_First;
+      else
+         return Event.Timeout;
+      end if;
    end Time_Of_Event;
 
    --------------

gcc/testsuite/ChangeLog

@@ -1,3 +1,8 @@
+2009-10-06  Samuel Tardieu  <sam@rfc1149.net>
+
+	PR ada/41383
+	* gnat.dg/timer_cancel.adb: New test.
+
 2009-10-06  Samuel Tardieu  <sam@rfc1149.net>
 
 	PR ada/38333

gcc/testsuite/gnat.dg/timer_cancel.adb

@@ -0,0 +1,38 @@
+-- { dg-do run }
+
+with Ada.Real_Time.Timing_Events;
+use Ada.Real_Time, Ada.Real_Time.Timing_Events;
+
+procedure Timer_Cancel is
+
+   E : Timing_Event;
+   C : Boolean;
+
+   protected Dummy is
+      procedure Trigger (Event : in out Timing_Event);
+   end Dummy;
+
+   protected body Dummy is
+      procedure Trigger (Event : in out Timing_Event) is
+      begin
+         null;
+      end Trigger;
+   end Dummy;
+
+begin
+   Set_Handler (E, Time_Last, Dummy.Trigger'Unrestricted_Access);
+
+   if Time_Of_Event (E) /= Time_Last then
+      raise Program_Error with "Event time not set correctly";
+   end if;
+
+   Cancel_Handler (E, C);
+
+   if not C then
+      raise Program_Error with "Event triggered already";
+   end if;
+
+   if Time_Of_Event (E) /= Time_First then
+      raise Program_Error with "Event time not reset correctly";
+   end if;
+end Timer_Cancel;