wx:yield

• (wx:yield) -> boolean

  Yields control to event handling. If the current thread is not a thread that was created to handle an event, then this procedure does nothing. After an unspecified number of events are handled, #t is returned if some events were handled or #f is returned otherwise.

  
  

• (wx:yield sema) -> boolean
      sema : semaphore

  Blocks on sema, yielding control to event handling while blocking. The return value is #t.