[ruby-cvs:71858] nobu:r64766 (trunk): pty.c: more difensive

[nobu at ruby-lang.org]

nobu	2018-09-18 09:22:04 +0900 (Tue, 18 Sep 2018)

  New Revision: 64766

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=64766

  Log:
    pty.c: more difensive
    
    * ext/pty/pty.c (chfunc): should not close the slave fd if it is 0..2.
      [ruby-core:89043] [Bug #15116]

  Modified files:
    trunk/ext/pty/pty.c