* process.c: Reapply 2006-08-01 change.

diff --git a/src/process.c b/src/process.c
index dc70ef3776102873b05a485a30f93c58a0828d8c..b24dee002c64eaef236eebff8a56e62d42d9532e 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -4158,6 +4158,14 @@ server_accept_connection (server, channel)
    when not inside wait_reading_process_output.  */
 static int waiting_for_user_input_p;
 
+static Lisp_Object
+wait_reading_process_output_unwind (data)
+     Lisp_Object data;
+{
+  waiting_for_user_input_p = XINT (data);
+  return Qnil;
+}
+
 /* This is here so breakpoints can be put on it.  */
 static void
 wait_reading_process_output_1 ()
@@ -4240,11 +4248,7 @@ wait_reading_process_output (time_limit, microsecs, read_kbd, do_display,
   EMACS_TIME timeout, end_time;
   int wait_channel = -1;
   int got_some_input = 0;
-  /* We can't record_unwind_protect here because after the
-     set_waiting_for_input call, C-g (interrupt_signal) would run
-     throw_to_read_char instead of Fsignal, which means unbind_to
-     doesn't get called.  */
-  int saved_waiting_for_user_input_p = waiting_for_user_input_p;
+  int count = SPECPDL_INDEX ();
 
   FD_ZERO (&Available);
 #ifdef NON_BLOCKING_CONNECT
@@ -4255,6 +4259,8 @@ wait_reading_process_output (time_limit, microsecs, read_kbd, do_display,
   if (wait_proc != NULL)
     wait_channel = XINT (wait_proc->infd);
 
+  record_unwind_protect (wait_reading_process_output_unwind,
+                        make_number (waiting_for_user_input_p));
   waiting_for_user_input_p = read_kbd;
 
   /* Since we may need to wait several times,
@@ -4881,7 +4887,7 @@ wait_reading_process_output (time_limit, microsecs, read_kbd, do_display,
        }                       /* end for each file descriptor */
     }                          /* end while exit conditions not met */
 
-  waiting_for_user_input_p = saved_waiting_for_user_input_p;
+  unbind_to (count, Qnil);
 
   /* If calling from keyboard input, do not quit
      since we want to return C-g as an input character.