vim-patch:8.1.2313: debugging where a delay comes from is not easy

Problem:    Debugging where a delay comes from is not easy.
Solution:   Use different values when calling ui_delay().
eda1da0c9a

src/nvim/buffer.c

@@ -1844,7 +1844,7 @@ buf_T *buflist_new(char_u *ffname_arg, char_u *sfname_arg, linenr_T lnum,
       EMSG(_("W14: Warning: List of file names overflow"));
       if (emsg_silent == 0) {
         ui_flush();
-        os_delay(3000L, true);  // make sure it is noticed
+        os_delay(3001L, true);  // make sure it is noticed
       }
       top_file_num = 1;
     }

src/nvim/change.c

@@ -68,7 +68,7 @@ void change_warning(int col)
     (void)msg_end();
     if (msg_silent == 0 && !silent_mode && ui_active()) {
       ui_flush();
-      os_delay(1000L, true);  // give the user time to think about it
+      os_delay(1002L, true);  // give the user time to think about it
     }
     curbuf->b_did_warn = true;
     redraw_cmdline = false;  // don't redraw and erase the message
@@ -109,7 +109,7 @@ void changed(void)
       // and don't let the emsg() set msg_scroll.
       if (need_wait_return && emsg_silent == 0) {
         ui_flush();
-        os_delay(2000L, true);
+        os_delay(2002L, true);
         wait_return(true);
         msg_scroll = save_msg_scroll;
       } else {

src/nvim/edit.c

@@ -2058,7 +2058,7 @@ static bool check_compl_option(bool dict_opt)
       vim_beep(BO_COMPL);
       setcursor();
       ui_flush();
-      os_delay(2000L, false);
+      os_delay(2004L, false);
     }
     return false;
   }

src/nvim/fileio.c

@@ -4947,11 +4947,11 @@ int buf_check_timestamp(buf_T *buf)
         (void)msg_end();
         if (emsg_silent == 0) {
           ui_flush();
-          /* give the user some time to think about it */
-          os_delay(1000L, true);
+          // give the user some time to think about it
+          os_delay(1004L, true);
 
-          /* don't redraw and erase the message */
-          redraw_cmdline = FALSE;
+          // don't redraw and erase the message
+          redraw_cmdline = false;
         }
       }
       already_warned = TRUE;

src/nvim/normal.c

@@ -630,9 +630,9 @@ static void normal_redraw_mode_message(NormalState *s)
   ui_cursor_shape();                  // show different cursor shape
   ui_flush();
   if (msg_scroll || emsg_on_display) {
-    os_delay(1000L, true);            // wait at least one second
+    os_delay(1003L, true);            // wait at least one second
   }
-  os_delay(3000L, false);             // wait up to three seconds
+  os_delay(3003L, false);             // wait up to three seconds
   State = save_State;
 
   msg_scroll = false;

src/nvim/os/time.c

@@ -62,6 +62,7 @@ uint64_t os_now(void)
 /// @param ignoreinput If true, only SIGINT (CTRL-C) can interrupt.
 void os_delay(uint64_t ms, bool ignoreinput)
 {
+  DLOG("%" PRIu64 " ms", ms);
   if (ignoreinput) {
     if (ms > INT_MAX) {
       ms = INT_MAX;

src/nvim/screen.c

@@ -6227,7 +6227,7 @@ void check_for_delay(int check_msg_scroll)
       && !did_wait_return
       && emsg_silent == 0) {
     ui_flush();
-    os_delay(1000L, true);
+    os_delay(1006L, true);
     emsg_on_display = false;
     if (check_msg_scroll) {
       msg_scroll = false;

src/nvim/search.c

@@ -2373,10 +2373,11 @@ showmatch(
        * brief pause, unless 'm' is present in 'cpo' and a character is
        * available.
        */
-      if (vim_strchr(p_cpo, CPO_SHOWMATCH) != NULL)
-        os_delay(p_mat * 100L, true);
-      else if (!char_avail())
-        os_delay(p_mat * 100L, false);
+      if (vim_strchr(p_cpo, CPO_SHOWMATCH) != NULL) {
+        os_delay(p_mat * 100L + 8, true);
+      } else if (!char_avail()) {
+        os_delay(p_mat * 100L + 9, false);
+      }
       curwin->w_cursor = save_cursor;           // restore cursor position
       *so = save_so;
       *siso = save_siso;

src/nvim/tag.c

@@ -625,7 +625,7 @@ do_tag(
         }
         if (ic && !msg_scrolled && msg_silent == 0) {
           ui_flush();
-          os_delay(1000L, true);
+          os_delay(1007L, true);
         }
       }
 
@@ -2853,7 +2853,7 @@ static int jumpto_tag(
             MSG(_("E435: Couldn't find tag, just guessing!"));
             if (!msg_scrolled && msg_silent == 0) {
               ui_flush();
-              os_delay(1000L, true);
+              os_delay(1010L, true);
             }
           }
           retval = OK;