akr	2008-07-05 22:38:46 +0900 (Sat, 05 Jul 2008)

  New Revision: 17894

  Modified files:
    trunk/ChangeLog
    trunk/io.c

  Log:
    * io.c (rb_pipe_internal): new function for handling EMFILE and ENFILE
      error of pipe().
      (UPDATE_MAXFD_PIPE): removed.
      (pipe_open): use rb_pipe_internal.
      (rb_io_s_pipe): ditto.


  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=17894