Add some Scheduler unit tests and logging

1. calling Start() for invoked tasks
2. correctly schedule by priority
3. self-stopping AutoTimer

This also adds SAL_INFO output to Scheduler and Task to log the
scheduling processing tasks.

Change-Id: I3c8a708d1fd51c550320f8af3f9486c43c32e358

1 files changed, 10 insertions, 3 deletions

diff --git a/include/vcl/svapp.hxx b/include/vcl/svapp.hxx
index 0891859c79e1..c108d4b6d992 100644
--- a/include/vcl/svapp.hxx
+++ b/include/vcl/svapp.hxx
@@ -462,18 +462,25 @@ public:
     */
     static void                 Quit();
 
-    /** Attempt to reschedule in processing of current event(s)
+    /** Attempt to process current pending event(s)
+
+     It doesn't sleep if no events are available for processing.
 
      @param bAllEvents  If set to true, then try to process all the
         events. If set to false, then only process the current
         event. Defaults to false.
 
+     @returns true if any event was processed.
+
      @see Execute, Quit, Yield, EndYield, GetSolarMutex,
           GetMainThreadIdentifier, ReleaseSolarMutex, AcquireSolarMutex,
      */
-    static void                 Reschedule( bool bAllEvents = false );
+    static bool                 Reschedule( bool bAllEvents = false );
+
+    /** Process the next event.
 
-    /** Allow processing of the next event.
+     It sleeps if no event is available for processing and just returns
+     if an event was processed.
 
      @see Execute, Quit, Reschedule, EndYield, GetSolarMutex,
           GetMainThreadIdentifier, ReleaseSolarMutex, AcquireSolarMutex,