(wait_reading_process_input): Don't check for

keyboard input if wait_for_cell.

diff --git a/src/process.c b/src/process.c
index 357974588d90c46477cdd055c2d06826ae78f8a6..c51d862969bad5ffe1d5cdd53615d52cf8fe1c17 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -2413,6 +2413,21 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
        kill (getpid (), SIGIO);
 #endif
 
+#if 0 /* When polling is used, interrupt_input is 0,
+        so get_input_pending should read the input.
+        So this should not be needed.  */
+      /* If we are using polling for input,
+        and we see input available, make it get read now.
+        Otherwise it might not actually get read for a second.
+        And on hpux, since we turn off polling in wait_reading_process_input,
+        it might never get read at all if we don't spend much time
+        outside of wait_reading_process_input.  */
+      if (XINT (read_kbd) && interrupt_input
+         && keyboard_bit_set (&Available)
+         && input_polling_used ())
+       kill (getpid (), SIGALRM);
+#endif
+
       /* Check for keyboard input */
       /* If there is any, return immediately
         to give it higher priority than subprocesses */
@@ -2430,6 +2445,7 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
          && requeued_events_pending_p ())
        break;
 
+#if 0
       /* If wait_for_cell. check for keyboard input
         but don't run any timers.
         ??? (It seems wrong to me to check for keyboard
@@ -2443,19 +2459,20 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
          if (detect_input_pending ())
            break;
        }
+#endif
 
       /* Exit now if the cell we're waiting for became non-nil.  */
       if (wait_for_cell && ! NILP (*wait_for_cell))
        break;
 
 #ifdef SIGIO
-      /* If we think we have keyboard input waiting, but didn't get SIGIO
+      /* If we think we have keyboard input waiting, but didn't get SIGIO,
         go read it.  This can happen with X on BSD after logging out.
         In that case, there really is no input and no SIGIO,
         but select says there is input.  */
 
       if (XINT (read_kbd) && interrupt_input
-         && (keyboard_bit_set (&Available)))
+         && keyboard_bit_set (&Available))
        kill (getpid (), SIGIO);
 #endif
 
@@ -2575,7 +2592,7 @@ wait_reading_process_input (time_limit, microsecs, read_kbd, do_display)
      Causes "poll: interrupted system call" messages when Emacs is run
      in an X window
      Turn periodic alarms back on */
-  start_polling();
+  start_polling ();
 #endif
    
   return got_some_input;