Pause the execution (10s max) if any errors are displayed so the user

has a chance to see them.

	* grub-core/kern/err.c (grub_err_printed_errors): New variable.
	(grub_print_error): Increment grub_err_printed_errors.
	* grub-core/normal/menu.c (grub_menu_execute_entry): Pause the
	execution if any errors were displayed.
	(show_menu): Remove old code for pause.
	* grub-core/normal/menu_entry.c (run): Likewise.
	* grub-core/normal/term.c (grub_normal_char_counter): Removed. All
	users updated.
	(grub_normal_get_char_counter): Likewise.
	* include/grub/err.h (grub_err_printed_errors): New external variable.
	* include/grub/normal.h (grub_normal_get_char_counter): Removed.

ChangeLog

@@ -1,3 +1,20 @@
+2010-09-20  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	Pause the execution (10s max) if any errors are displayed so the user
+	has a chance to see them.
+
+	* grub-core/kern/err.c (grub_err_printed_errors): New variable.
+	(grub_print_error): Increment grub_err_printed_errors.
+	* grub-core/normal/menu.c (grub_menu_execute_entry): Pause the
+	execution if any errors were displayed.
+	(show_menu): Remove old code for pause.
+	* grub-core/normal/menu_entry.c (run): Likewise.
+	* grub-core/normal/term.c (grub_normal_char_counter): Removed. All
+	users updated.
+	(grub_normal_get_char_counter): Likewise.
+	* include/grub/err.h (grub_err_printed_errors): New external variable.
+	* include/grub/normal.h (grub_normal_get_char_counter): Removed.
+
 2010-09-20  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	Support multiboot VBE info.

grub-core/kern/err.c

@@ -27,6 +27,7 @@
 
 grub_err_t grub_errno;
 char grub_errmsg[GRUB_MAX_ERRMSG];
+int grub_err_printed_errors;
 
 static struct
 {
@@ -122,7 +123,10 @@ grub_print_error (void)
   do
     {
       if (grub_errno != GRUB_ERR_NONE)
-        grub_err_printf (_("error: %s.\n"), grub_errmsg);
+	{
+	  grub_err_printf (_("error: %s.\n"), grub_errmsg);
+	  grub_err_printed_errors++;
+	}
     }
   while (grub_error_pop ());
 

grub-core/normal/menu.c

@@ -158,6 +158,7 @@ void
 grub_menu_execute_entry(grub_menu_entry_t entry)
 {
   grub_err_t err = GRUB_ERR_NONE;
+  int errs_before;
 
   if (entry->restricted)
     err = grub_auth_check_authentication (entry->users);
@@ -169,9 +170,14 @@ grub_menu_execute_entry(grub_menu_entry_t entry)
       return;
     }
 
+  errs_before = grub_err_printed_errors;
+
   grub_env_set ("chosen", entry->title);
   grub_script_execute_sourcecode (entry->sourcecode, entry->argc, entry->args);
 
+  if (errs_before != grub_err_printed_errors)
+    grub_wait_after_message ();
+
   if (grub_errno == GRUB_ERR_NONE && grub_loader_is_loaded ())
     /* Implicit execution of boot, only if something is loaded.  */
     grub_command_execute ("boot", 0, 0);
@@ -583,20 +589,9 @@ show_menu (grub_menu_t menu, int nested)
       grub_cls ();
 
       if (auto_boot)
-        {
-          grub_menu_execute_with_fallback (menu, e, &execution_callback, 0);
-        }
+	grub_menu_execute_with_fallback (menu, e, &execution_callback, 0);
       else
-        {
-	  int chars_before = grub_normal_get_char_counter ();
-          grub_errno = GRUB_ERR_NONE;
-          grub_menu_execute_entry (e);
-	  grub_print_error ();
-	  grub_errno = GRUB_ERR_NONE;
-
-          if (chars_before != grub_normal_get_char_counter ())
-	    grub_wait_after_message ();
-        }
+	grub_menu_execute_entry (e);
     }
 
   return GRUB_ERR_NONE;

grub-core/normal/menu_entry.c

@@ -1161,6 +1161,7 @@ run (struct screen *screen)
 {
   int currline = 0;
   char *nextline;
+  int errs_before;
 
   auto grub_err_t editor_getline (char **line, int cont);
   grub_err_t editor_getline (char **line, int cont __attribute__ ((unused)))
@@ -1194,6 +1195,7 @@ run (struct screen *screen)
   grub_printf_ (N_("Booting a command list"));
   grub_printf ("\n\n");
 
+  errs_before = grub_err_printed_errors;
 
   /* Execute the script, line for line.  */
   while (currline < screen->num_lines)
@@ -1203,6 +1205,9 @@ run (struct screen *screen)
 	break;
     }
 
+  if (errs_before != grub_err_printed_errors)
+    grub_wait_after_message ();
+
   if (grub_errno == GRUB_ERR_NONE && grub_loader_is_loaded ())
     /* Implicit execution of boot, only if something is loaded.  */
     grub_command_execute ("boot", 0, 0);
@@ -1382,13 +1387,7 @@ grub_menu_entry_run (grub_menu_entry_t entry)
 
 	case GRUB_TERM_CTRL | 'x':
 	case GRUB_TERM_KEY_F10:
-	  {
-	    int chars_before = grub_normal_get_char_counter ();
-	    run (screen);
-
-	    if (chars_before != grub_normal_get_char_counter ())
-	      grub_wait_after_message ();
-	  }
+	  run (screen);
 	  goto refresh;
 
 	case GRUB_TERM_CTRL | 'r':

grub-core/normal/term.c

@@ -42,17 +42,9 @@ static struct term_state *term_states = NULL;
 /* If the more pager is active.  */
 static int grub_more;
 
-static int grub_normal_char_counter = 0;
-
 static void
 putcode_real (grub_uint32_t code, struct grub_term_output *term);
 
-int
-grub_normal_get_char_counter (void)
-{
-  return grub_normal_char_counter;
-}
-
 void
 grub_normal_reset_more (void)
 {
@@ -409,8 +401,6 @@ putglyph (const struct grub_unicode_glyph *c, struct grub_term_output *term)
       .estimated_width = 1
     };
 
-  grub_normal_char_counter++;
-
   if (c->base == '\t' && term->getxy)
     {
       int n;

include/grub/err.h

@@ -66,6 +66,7 @@ void EXPORT_FUNC(grub_fatal) (const char *fmt, ...) __attribute__ ((noreturn));
 void EXPORT_FUNC(grub_error_push) (void);
 int EXPORT_FUNC(grub_error_pop) (void);
 void EXPORT_FUNC(grub_print_error) (void);
+extern int EXPORT_VAR(grub_err_printed_errors);
 int grub_err_printf (const char *fmt, ...)
      __attribute__ ((format (printf, 1, 2)));
 

include/grub/normal.h

@@ -110,7 +110,6 @@ void read_terminal_list (const char *prefix);
 
 void grub_set_more (int onoff);
 
-int grub_normal_get_char_counter (void);
 void grub_normal_reset_more (void);
 
 void grub_xputs_normal (const char *str);