gdb/

        * NEWS: Mention gdbserver detach change and "disconnect" command.
        * infcmd.c (disconnect_command): New function.
        (_initialize_infcmd): Add ``disconnect'' command.
        * remote.c (remote_async_detach): Delete.
        (remote_detach): Merge remote_async_detach.
        (remote_disconnect): New.
        (init_remote_ops): Set to_disconnect.
        (init_remote_cisco_ops): Likewise.
        (init_remote_async_ops): Likewise.  Use remote_detach.
        * target.c (cleanup_target): Default to_disconnect.
        (update_current_target): Inherit to_disconnect.
        (target_disconnect, debug_to_disconnect): New functions.
        (setup_target_debug): Set to_disconnect.
        * target.h (struct target_ops): Add to_disconnect.
        (target_disconnect): Add prototype.
gdbserver/
	* linux-low.c: Move comment to linux_thread_alive where it belonged.
	(linux_detach_one_process, linux_detach): New functions.
	(linux_target_ops): Add linux_detach.
	* server.c (main): Handle 'D' packet.
	* target.h (struct target_ops): Add "detach" member.
	(detach_inferior): Define.
mi/
        * mi-cmds.c (mi_cmds): Add "-target-disconnect".

1 files changed, 27 insertions, 0 deletions

diff --git a/gdb/infcmd.c b/gdb/infcmd.c
index 0ed0ce2..911e865 100644
--- a/gdb/infcmd.c
+++ b/gdb/infcmd.c
@@ -81,6 +81,8 @@ static void float_info (char *, int);
 
 static void detach_command (char *, int);
 
+static void disconnect_command (char *, int);
+
 static void unset_environment_command (char *, int);
 
 static void set_environment_command (char *, int);
@@ -1876,6 +1878,26 @@ detach_command (char *args, int from_tty)
     detach_hook ();
 }
 
+/* Disconnect from the current target without resuming it (leaving it
+   waiting for a debugger).
+
+   We'd better not have left any breakpoints in the program or the
+   next debugger will get confused.  Currently only supported for some
+   remote targets, since the normal attach mechanisms don't work on
+   stopped processes on some native platforms (e.g. GNU/Linux).  */
+
+static void
+disconnect_command (char *args, int from_tty)
+{
+  dont_repeat ();		/* Not for the faint of heart */
+  target_disconnect (args, from_tty);
+#if defined(SOLIB_RESTART)
+  SOLIB_RESTART ();
+#endif
+  if (detach_hook)
+    detach_hook ();
+}
+
 /* Stop the execution of the target while running in async mode, in
    the backgound. */
 void
@@ -2014,6 +2036,11 @@ to specify the program, and to load its symbol table.");
 If a process, it is no longer traced, and it continues its execution.  If\n\
 you were debugging a file, the file is closed and gdb no longer accesses it.");
 
+  add_com ("disconnect", class_run, disconnect_command,
+	   "Disconnect from a target.\n\
+The target will wait for another debugger to connect.  Not available for\n\
+all targets.");
+
   add_com ("signal", class_run, signal_command,
 	   "Continue program giving it signal specified by the argument.\n\
 An argument of \"0\" means continue program without giving it a signal.");