(exec_sentinel, read_process_output):

Call record_asynch_buffer_change only if caller is reading kbd input.

1 files changed, 10 insertions, 2 deletions

diff --git a/src/process.c b/src/process.c
index 438f6e21e4c..9862bb30e85 100644
--- a/src/process.c
+++ b/src/process.c
@@ -2393,7 +2393,11 @@ read_process_output (proc, channel)
       if (! EQ (Fcurrent_buffer (), obuffer)
           || ! EQ (current_buffer->keymap, okeymap))
 #endif
-        record_asynch_buffer_change ();
+        /* But do it only if the caller is actually going to read events.
+           Otherwise there's no need to make him wake up, and it could
+           cause trouble (for example it would make Fsit_for return).  */
+        if (waiting_for_user_input_p == -1)
+          record_asynch_buffer_change ();
 
 #ifdef VMS
       start_vms_process_read (vs);
@@ -3391,7 +3395,11 @@ exec_sentinel (proc, reason)
   if (! EQ (Fcurrent_buffer (), obuffer)
       || ! EQ (current_buffer->keymap, okeymap))
 #endif
-    record_asynch_buffer_change ();
+    /* But do it only if the caller is actually going to read events.
+       Otherwise there's no need to make him wake up, and it could
+       cause trouble (for example it would make Fsit_for return).  */
+    if (waiting_for_user_input_p == -1)
+      record_asynch_buffer_change ();
 
   unbind_to (count, Qnil);
 }