gdb: fix vfork with multiple threads

[deliverable/binutils-gdb.git] / gdb / top.h

diff --git a/gdb/top.h b/gdb/top.h
index 176104f1fd15efb9e9fb61a3daf20dddb5979f7e..56bd06c698bee10d86710f78c7f84df7cac5e518 100644 (file)
--- a/gdb/top.h
+++ b/gdb/top.h
@@ -1,6 +1,6 @@
 /* Top level stuff for GDB, the GNU debugger.
 
-   Copyright (C) 1986-2019 Free Software Foundation, Inc.
+   Copyright (C) 1986-2021 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,7 +21,8 @@
 #define TOP_H
 
 #include "gdbsupport/buffer.h"
-#include "event-loop.h"
+#include "gdbsupport/event-loop.h"
+#include "gdbsupport/next-iterator.h"
 #include "value.h"
 
 struct tl_interp_info;
@@ -172,6 +173,8 @@ public:
     current_ui = ui_list;
   }
 
+  DISABLE_COPY_AND_ASSIGN (switch_thru_all_uis);
+
   /* If done iterating, return true; otherwise return false.  */
   bool done () const
   {
@@ -189,11 +192,6 @@ public:
 
  private:
 
-  /* No need for these.  They are intentionally not defined
-     anywhere.  */
-  switch_thru_all_uis &operator= (const switch_thru_all_uis &);
-  switch_thru_all_uis (const switch_thru_all_uis &);
-
   /* Used to iterate through the UIs.  */
   struct ui *m_iter;
 
@@ -206,9 +204,12 @@ public:
 #define SWITCH_THRU_ALL_UIS()          \
   for (switch_thru_all_uis stau_state; !stau_state.done (); stau_state.next ())
 
-/* Traverse over all UIs.  */
-#define ALL_UIS(UI)                            \
-  for (UI = ui_list; UI; UI = UI->next)                \
+/* An adapter that can be used to traverse over all UIs.  */
+static inline
+next_adapter<ui> all_uis ()
+{
+  return next_adapter<ui> (ui_list);
+}
 
 /* Register the UI's input file descriptor in the event loop.  */
 extern void ui_register_input_event_handler (struct ui *ui);
@@ -269,33 +270,30 @@ extern void set_prompt (const char *s);
 
 extern int gdb_in_secondary_prompt_p (struct ui *ui);
 
-/* From random places.  */
-extern int readnow_symbol_files;
-extern int readnever_symbol_files;
-
 /* Perform _initialize initialization.  */
-extern void gdb_init (char *);
+extern void gdb_init ();
 
 /* For use by event-top.c.  */
 /* Variables from top.c.  */
 extern int source_line_number;
 extern std::string source_file_name;
 extern bool history_expansion_p;
-extern int server_command;
+extern bool server_command;
 extern char *lim_at_start;
 
 extern void gdb_add_history (const char *);
 
 extern void show_commands (const char *args, int from_tty);
 
-extern void set_history (const char *, int);
-
-extern void show_history (const char *, int);
-
 extern void set_verbose (const char *, int, struct cmd_list_element *);
 
 extern char *handle_line_of_input (struct buffer *cmd_line_buffer,
                                   const char *rl, int repeat,
                                   const char *annotation_suffix);
 
+/* Call at startup to see if the user has requested that gdb start up
+   quietly.  */
+
+extern bool check_quiet_mode ();
+
 #endif