/* Multi-process/thread control for GDB, the GNU debugger.
Copyright (C) 1986, 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009
+ 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
{
clear_thread_inferior_resources (tp);
- /* FIXME: do I ever need to call the back-end to give it a
- chance at this private data before deleting the thread? */
if (tp->private)
- xfree (tp->private);
+ {
+ if (tp->private_dtor)
+ tp->private_dtor (tp->private);
+ else
+ xfree (tp->private);
+ }
xfree (tp);
}
if (ptid_equal (inferior_ptid, ptid))
{
- tp = new_thread (ptid);
+ tp = new_thread (null_ptid);
/* Make switch_to_thread not read from the thread. */
tp->state_ = THREAD_EXITED;
- switch_to_thread (minus_one_ptid);
+ switch_to_thread (null_ptid);
/* Now we can delete it. */
delete_thread (ptid);
thread_id_to_pid (int num)
{
struct thread_info *thread = find_thread_id (num);
+
if (thread)
return thread->ptid;
else
struct cleanup *cleanup_chain;
int current_thread = -1;
- prune_threads ();
- target_find_new_threads ();
+ update_thread_list ();
cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "thread-ids");
if (all || ptid_is_pid (ptid))
{
int any_started = 0;
+
for (tp = thread_list; tp; tp = tp->next)
if (all || ptid_get_pid (tp->ptid) == ptid_get_pid (ptid))
{
else
{
int started = 0;
+
tp = find_thread_ptid (ptid);
gdb_assert (tp);
gdb_assert (tp->state_ != THREAD_EXITED);
char *extra_info;
int current_thread = -1;
- prune_threads ();
- target_find_new_threads ();
+ update_thread_list ();
current_ptid = inferior_ptid;
/* We'll be switching threads temporarily. */
for (tp = thread_list; tp; tp = tp->next)
{
struct cleanup *chain2;
+ int core;
if (requested_thread != -1 && tp->num != requested_thread)
continue;
if (ui_out_is_mi_like_p (uiout))
{
char *state = "stopped";
+
if (tp->state_ == THREAD_RUNNING)
state = "running";
ui_out_field_string (uiout, "state", state);
}
+ core = target_core_of_thread (tp->ptid);
+ if (ui_out_is_mi_like_p (uiout) && core != -1)
+ ui_out_field_int (uiout, "core", core);
+
do_cleanups (chain2);
}
{
struct current_thread_cleanup *old = arg;
struct thread_info *tp;
+
tp = find_thread_ptid (old->inferior_ptid);
if (tp)
tp->refcount--;
if (cmd == NULL || *cmd == '\000')
error (_("Please specify a command following the thread ID list"));
- prune_threads ();
- target_find_new_threads ();
+ update_thread_list ();
old_chain = make_cleanup_restore_current_thread ();
return GDB_RC_OK;
}
+void
+update_thread_list (void)
+{
+ prune_threads ();
+ target_find_new_threads ();
+}
+
+/* Return a new value for the selected thread's id. Return a value of 0 if
+ no thread is selected, or no threads exist. */
+
+static struct value *
+thread_id_make_value (struct gdbarch *gdbarch, struct internalvar *var)
+{
+ struct thread_info *tp = find_thread_ptid (inferior_ptid);
+
+ return value_from_longest (builtin_type (gdbarch)->builtin_int,
+ (tp ? tp->num : 0));
+}
+
/* Commands with a prefix of `thread'. */
struct cmd_list_element *thread_cmd_list = NULL;
NULL,
show_print_thread_events,
&setprintlist, &showprintlist);
+
+ create_internalvar_type_lazy ("_thread", thread_id_make_value);
}