diff options
Diffstat (limited to 'gdb/tui/tui.c')
| -rw-r--r-- | gdb/tui/tui.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/gdb/tui/tui.c b/gdb/tui/tui.c index 491fcb1..2c7a6a0 100644 --- a/gdb/tui/tui.c +++ b/gdb/tui/tui.c @@ -1,6 +1,6 @@ /* General functions for the WDB TUI. - Copyright (C) 1998-2024 Free Software Foundation, Inc. + Copyright (C) 1998-2025 Free Software Foundation, Inc. Contributed by Hewlett-Packard Company. @@ -67,7 +67,12 @@ show_tui_debug (struct ui_file *file, int from_tty, /* Tells whether the TUI is active or not. */ bool tui_active = false; -static bool tui_finish_init = true; + +/* Tells whether the TUI should do deferred curses initialization. + If TRIBOOL_TRUE, then yes. If TRIBOOL_FALSE. then no (because + initialization is already done). If TRIBOOL_UNKNOWN, then no (because + initialization failed). */ +static tribool tui_finish_init = TRIBOOL_TRUE; enum tui_key_mode tui_current_key_mode = TUI_COMMAND_MODE; @@ -392,7 +397,13 @@ tui_enable (void) /* To avoid to initialize curses when gdb starts, there is a deferred curses initialization. This initialization is made only once and the first time the curses mode is entered. */ - if (tui_finish_init) + if (tui_finish_init == TRIBOOL_UNKNOWN) + { + /* Initialization failed before, just throw a generic error, don't try + again. */ + error (_("Cannot enable the TUI")); + } + else if (tui_finish_init == TRIBOOL_TRUE) { WINDOW *w; SCREEN *s; @@ -412,6 +423,9 @@ tui_enable (void) if (!gdb_stderr->isatty ()) error (_("Cannot enable the TUI when output is not a terminal")); + /* Don't try initialization again. */ + tui_finish_init = TRIBOOL_UNKNOWN; + s = newterm (NULL, stdout, stdin); #ifdef __MINGW32__ /* The MinGW port of ncurses requires $TERM to be unset in order @@ -470,7 +484,7 @@ tui_enable (void) tui_set_win_focus_to (tui_src_win ()); keypad (tui_cmd_win ()->handle.get (), TRUE); wrefresh (tui_cmd_win ()->handle.get ()); - tui_finish_init = false; + tui_finish_init = TRIBOOL_FALSE; } else { |