[[[
  
  Let user immediately exit svn client by hitting
  control-c three times.

  * subversion/svn/main.c
  (handled_cancel_times): New variable.
  (signal_handler): If we see the signal three times,
  exit with an error.

]]]
Index: subversion/svn/main.c
===================================================================
--- subversion/svn/main.c	(revision 18847)
+++ subversion/svn/main.c	(working copy)
@@ -768,11 +768,18 @@ check_lib_versions(void)
 /* A flag to see if we've been cancelled by the client or not. */
 static volatile sig_atomic_t cancelled = FALSE;
 
+/* See how many times we have been sent a signal to cancel.  */
+static volatile sig_atomic_t handled_cancel_times = 0;
+
 /* A signal handler to support cancellation. */
 static void
 signal_handler(int signum)
 {
-  apr_signal(signum, SIG_IGN);
+  handled_cancel_times++;
+  
+  /* If the user is adamant about exiting now, exit now.  */
+  if (handled_cancel_times == 3)
+    exit(1);
   cancelled = TRUE;
 }