[parrot/parrot] 3dbf36: Chameneos: get rid of the at_most_two semaphore

[GitHub]

  Branch: refs/heads/threads
  Home:   https://github.com/parrot/parrot
  Commit: 3dbf36fb8ed7511a79855286deb4e0d65e83fd61
      https://github.com/parrot/parrot/commit/3dbf36fb8ed7511a79855286deb4e0d65e83fd61
  Author: Stefan Seifert <nine at detonation.org>
  Date:   2012-04-24 (Tue, 24 Apr 2012)

  Changed paths:
    M examples/threads/chameneos.pir

  Log Message:
  -----------
  Chameneos: get rid of the at_most_two semaphore

Slight restructuring of the algorithm makes it possible to go without
the at_most_two semaphore. We just use -1 to mark an unset field.