/* Top level stuff for GDB, the GNU debugger.
- Copyright 1999, 2000, 2001, 2002, 2004, 2005 Free Software
- Foundation, Inc.
+ Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2007
+ Free Software Foundation, Inc.
Written by Elena Zannoni <ezannoni@cygnus.com> of Cygnus Solutions.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA. */
#include "defs.h"
#include "top.h"
#include "interps.h"
#include <signal.h>
#include "exceptions.h"
+#include "cli/cli-script.h" /* for reset_command_nest_depth */
/* For dont_repeat() */
#include "gdbcmd.h"
static void change_line_handler (void);
static void change_annotation_level (void);
static void command_handler (char *command);
-static void async_do_nothing (gdb_client_data arg);
-static void async_disconnect (gdb_client_data arg);
-static void async_stop_sig (gdb_client_data arg);
-static void async_float_handler (gdb_client_data arg);
/* Signal handlers. */
#ifdef SIGQUIT
static void handle_sigquit (int sig);
#endif
+#ifdef SIGHUP
static void handle_sighup (int sig);
+#endif
static void handle_sigfpe (int sig);
#if defined(SIGWINCH) && defined(SIGWINCH_HANDLER)
static void handle_sigwinch (int sig);
/* Functions to be invoked by the event loop in response to
signals. */
+#if defined (SIGQUIT) || defined (SIGHUP)
static void async_do_nothing (gdb_client_data);
+#endif
+#ifdef SIGHUP
static void async_disconnect (gdb_client_data);
+#endif
static void async_float_handler (gdb_client_data);
+#ifdef STOP_SIGNAL
static void async_stop_sig (gdb_client_data);
+#endif
/* Readline offers an alternate interface, via callback
functions. These are all included in the file callback.c in the
int prompt_length = 0;
char *gdb_prompt = get_prompt ();
+ /* Reset the nesting depth used when trace-commands is set. */
+ reset_command_nest_depth ();
+
/* Each interpreter has its own rules on displaying the command
prompt. */
if (!current_interp_display_prompt_p ())
but GDB is still alive. In such a case, we just quit gdb
killing the inferior program too. */
if (command == 0)
- quit_command ((char *) 0, stdin == instream);
+ {
+ printf_unfiltered ("quit\n");
+ execute_command ("quit", stdin == instream);
+ }
time_at_cmd_start = get_run_time ();
{
signal (sig, handle_sigint);
+ /* We could be running in a loop reading in symfiles or something so
+ it may be quite a while before we get back to the event loop. So
+ set quit_flag to 1 here. Then if QUIT is called before we get to
+ the event loop, we will unwind as expected. */
+
+ quit_flag = 1;
+
/* If immediate_quit is set, we go ahead and process the SIGINT right
away, even if we usually would defer this to the event loop. The
assumption here is that it is safe to process ^C immediately if
void
async_request_quit (gdb_client_data arg)
{
- quit_flag = 1;
- quit ();
+ /* If the quit_flag has gotten reset back to 0 by the time we get
+ back here, that means that an exception was thrown to unwind the
+ current command before we got back to the event loop. So there
+ is no reason to call quit again here, unless immediate_quit is
+ set.*/
+
+ if (quit_flag || immediate_quit)
+ quit ();
}
#ifdef SIGQUIT
}
#endif
-/* Called by the event loop in response to a SIGQUIT. */
+#if defined (SIGQUIT) || defined (SIGHUP)
+/* Called by the event loop in response to a SIGQUIT or an
+ ignored SIGHUP. */
static void
async_do_nothing (gdb_client_data arg)
{
/* Empty function body. */
}
+#endif
#ifdef SIGHUP
/* Tell the event loop what to do if SIGHUP is received.