(wait_reading_process_output): Always check status when in batch mode.

diff --git a/src/process.c b/src/process.c
index 26a18545f8e847465255fa1b1e8dee564fc70809..50952bf164720d2d4a23f11963784ee6126acb54 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -4411,8 +4411,11 @@ wait_reading_process_output (time_limit, microsecs, read_kbd, do_display,
       /* If status of something has changed, and no input is
         available, notify the user of the change right away.  After
         this explicit check, we'll let the SIGCHLD handler zap
-        timeout to get our attention.  */
-      if (update_tick != process_tick && do_display)
+        timeout to get our attention.  When Emacs is run
+        interactively, only do this with a nonzero DO_DISPLAY
+        argument, because status_notify triggers redisplay.  */
+      if (update_tick != process_tick
+         && (do_display || noninteractive))
        {
          SELECT_TYPE Atemp;
 #ifdef NON_BLOCKING_CONNECT