thwait.rb

  thwait.rb - thread synchronization class
      $Release Version: 0.9 $
      $Revision: 1.3 $
      $Date: 1998/06/26 03:19:34 $
      by Keiju ISHITSUKA(Nihpon Rational Software Co.,Ltd.)

—

 feature:
 provides synchronization for multiple threads.

 class methods:
 * ThreadsWait.all_waits(thread1,...)
   waits until all of specified threads are terminated.
   if a block is supplied for the method, evaluates it for
   each thread termination.
 * th = ThreadsWait.new(thread1,...)
   creates synchronization object, specifying thread(s) to wait.

 methods:
 * th.threads
   list threads to be synchronized
 * th.empty?
   is there any thread to be synchronized.
 * th.finished?
   is there already terminated thread.
 * th.join(thread1,...)
   wait for specified thread(s).
 * th.join_nowait(threa1,...)
   specifies thread(s) to wait.  non-blocking.
 * th.next_wait
   waits until any of specified threads is terminated.
 * th.all_waits
   waits until all of specified threads are terminated.
   if a block is supplied for the method, evaluates it for
   each thread termination.

Required files