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To: vim_dev@googlegroups.com
Subject: Patch 7.3.268
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
------------

Patch 7.3.268
Problem:    Vim freezes when executing an external command with zsh.
Solution:   Use O_NOCTTY both in the master and slave. (Bjorn Winckler)
Files:	    src/os_unix.c


*** ../vim-7.3.267/src/os_unix.c	2011-07-07 16:20:45.000000000 +0200
--- src/os_unix.c	2011-08-04 19:06:14.000000000 +0200
***************
*** 3889,3899 ****
  	if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE)))
  	{
  	    pty_master_fd = OpenPTY(&tty_name);	    /* open pty */
! 	    if (pty_master_fd >= 0 && ((pty_slave_fd =
! 				    open(tty_name, O_RDWR | O_EXTRA, 0)) < 0))
  	    {
! 		close(pty_master_fd);
! 		pty_master_fd = -1;
  	    }
  	}
  	/*
--- 3889,3909 ----
  	if (p_guipty && !(options & (SHELL_READ|SHELL_WRITE)))
  	{
  	    pty_master_fd = OpenPTY(&tty_name);	    /* open pty */
! 	    if (pty_master_fd >= 0)
  	    {
! 		/* Leaving out O_NOCTTY may lead to waitpid() always returning
! 		 * 0 on Mac OS X 10.7 thereby causing freezes. Let's assume
! 		 * adding O_NOCTTY always works when defined. */
! #ifdef O_NOCTTY
! 		pty_slave_fd = open(tty_name, O_RDWR | O_NOCTTY | O_EXTRA, 0);
! #else
! 		pty_slave_fd = open(tty_name, O_RDWR | O_EXTRA, 0);
! #endif
! 		if (pty_slave_fd < 0)
! 		{
! 		    close(pty_master_fd);
! 		    pty_master_fd = -1;
! 		}
  	    }
  	}
  	/*
*** ../vim-7.3.267/src/version.c	2011-08-04 19:34:55.000000000 +0200
--- src/version.c	2011-08-04 19:36:00.000000000 +0200
***************
*** 711,712 ****
--- 711,714 ----
  {   /* Add new patch number below this line */
+ /**/
+     268,
  /**/

-- 
Mental Floss prevents moral decay!

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
///        sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\  an exciting new programming language -- http://www.Zimbu.org        ///
 \\\            help me help AIDS victims -- http://ICCF-Holland.org    ///