To: vim-dev@vim.org
Subject: Patch 7.1.245
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------

Patch 7.1.245
Problem:    Pressing CTRL-\ three times causes Vim to quit.  (Ranganath Rao).
	    Also for f CTRL-\ CTRL-\.
Solution:   When going to cooked mode in mch_delay() set a flag to ignore
	    SIGQUIT.
Files:	    src/os_unix.c


*** ../vim-7.1.244/src/os_unix.c	Sun Jan 13 16:30:23 2008
--- src/os_unix.c	Sun Feb 10 22:07:27 2008
***************
*** 195,200 ****
--- 195,201 ----
  static int	show_shell_mess = TRUE;
  #endif
  static int	deadly_signal = 0;	    /* The signal we caught */
+ static int	in_mch_delay = FALSE;	    /* sleeping in mch_delay() */
  
  static int curr_tmode = TMODE_COOK;	/* contains current terminal mode */
  
***************
*** 538,544 ****
      if (ignoreinput)
      {
  	/* Go to cooked mode without echo, to allow SIGINT interrupting us
! 	 * here */
  	old_tmode = curr_tmode;
  	if (curr_tmode == TMODE_RAW)
  	    settmode(TMODE_SLEEP);
--- 539,547 ----
      if (ignoreinput)
      {
  	/* Go to cooked mode without echo, to allow SIGINT interrupting us
! 	 * here.  But we don't want QUIT to kill us (CTRL-\ used in a
! 	 * shell may produce SIGQUIT). */
! 	in_mch_delay = TRUE;
  	old_tmode = curr_tmode;
  	if (curr_tmode == TMODE_RAW)
  	    settmode(TMODE_SLEEP);
***************
*** 602,607 ****
--- 605,611 ----
  #endif
  
  	settmode(old_tmode);
+ 	in_mch_delay = FALSE;
      }
      else
  	WaitForChar(msec);
***************
*** 922,927 ****
--- 926,939 ----
  #endif
  
  #ifdef SIGHASARG
+ # ifdef SIGQUIT
+     /* While in mch_delay() we go to cooked mode to allow a CTRL-C to
+      * interrupt us.  But in cooked mode we may also get SIGQUIT, e.g., when
+      * pressing CTRL-\, but we don't want Vim to exit then. */
+     if (in_mch_delay && sigarg == SIGQUIT)
+ 	SIGRETURN;
+ # endif
+ 
      /* When SIGHUP, SIGQUIT, etc. are blocked: postpone the effect and return
       * here.  This avoids that a non-reentrant function is interrupted, e.g.,
       * free().  Calling free() again may then cause a crash. */
*** ../vim-7.1.244/src/version.c	Wed Feb  6 17:33:19 2008
--- src/version.c	Sun Feb 10 22:04:09 2008
***************
*** 668,669 ****
--- 668,671 ----
  {   /* Add new patch number below this line */
+ /**/
+     245,
  /**/

-- 
Me?  A skeptic?  I trust you have proof.

 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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