matz	2007-11-30 23:08:58 +0900 (Fri, 30 Nov 2007)

  New Revision: 14056

  Modified files:
    trunk/ChangeLog
    trunk/eval.c
    trunk/include/ruby/intern.h
    trunk/signal.c

  Log:
    * signal.c (trap_signm): SIGVTALRM no longer used for green
      thread.  [ruby-talk:281318]
    
    * signal.c (ruby_sig_finalize): do not install SIG_DFL handler if
      previous handler is sighandler().

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=14056&r2=14055
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/eval.c?r1=14056&r2=14055
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/signal.c?r1=14056&r2=14055
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/include/ruby/intern.h?r1=14056&r2=14055