commit bash-20110720 snapshot

lib/readline/callback.c

@@ -62,8 +62,10 @@ _rl_callback_generic_arg *_rl_callback_data = 0;
    whenever a complete line of input is ready.  The user must then
    call rl_callback_read_char() every time some input is available, and 
    rl_callback_read_char() will call the user's function with the complete
-   text read in at each end of line.  The terminal is kept prepped and
-   signals handled all the time, except during calls to the user's function. */
+   text read in at each end of line.  The terminal is kept prepped
+   all the time, except during calls to the user's function.  Signal
+   handlers are only installed when the application calls back into
+   readline, so readline doesn't `steal' signals from the application.  */
 
 rl_vcpfunc_t *rl_linefunc;		/* user callback function */
 static int in_handler;		/* terminal_prepped and signals set? */
@@ -80,10 +82,6 @@ _rl_callback_newline ()
 
       if (rl_prep_term_function)
 	(*rl_prep_term_function) (_rl_meta_flag);
-
-#if defined (HANDLE_SIGNALS)
-      rl_set_signals ();
-#endif
     }
 
   readline_internal_setup ();
@@ -126,6 +124,11 @@ rl_callback_read_char ()
       return;
     }
 
+#if defined (HANDLE_SIGNALS)
+  /* Install signal handlers only when readline has control. */
+  rl_set_signals ();
+#endif
+
   do
     {
       RL_CHECK_SIGNALS ();