matz	2008-01-11 01:12:32 +0900 (Fri, 11 Jan 2008)

  New Revision: 14980

  Modified files:
    trunk/ChangeLog
    trunk/thread.c
    trunk/version.h

  Log:
    * thread.c (rb_mutex_unlock): proper error message for unlocking
      mutex that is not locked.  a patch from Yusuke ENDOH
      <mame at tsg.ne.jp> in [ruby-dev:33010].

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/version.h?r1=14980&r2=14979&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ChangeLog?r1=14980&r2=14979&diff_format=u
  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/thread.c?r1=14980&r2=14979&diff_format=u