Index: thread.c
===================================================================
RCS file: /cvs/src/src/gdb/thread.c,v
retrieving revision 1.131
diff -u -p -u -p -r1.131 thread.c
--- thread.c	19 Jan 2011 17:21:36 -0000	1.131
+++ thread.c	11 Feb 2011 22:03:31 -0000
@@ -1313,6 +1323,34 @@ thread_name_command (char *arg, int from
   info->name = arg ? xstrdup (arg) : NULL;
 }
 
+/* Show thread ids with a name, target pid, or extra info matching ARG.  */
+
+static void
+tid_command (char *arg, int from_tty)
+{
+  struct thread_info *tp;
+  char *tmp;
+
+  if (arg == NULL || *arg == '\0')
+    error (_("Command requires an argument."));
+
+  update_thread_list ();
+
+  for (tp = thread_list; tp; tp = tp->next)
+    {
+      if (tp->name != NULL && strcmp (arg, tp->name) == 0)
+	printf_filtered ("Thread %d has name '%s'\n", tp->num, tp->name);
+
+      tmp = target_pid_to_str (tp->ptid);
+      if (tmp != NULL && strstr (tmp, arg) != 0)
+	printf_filtered ("Thread %d has target id '%s'\n", tp->num, tmp);
+
+      tmp = target_extra_thread_info (tp);
+      if (tmp != NULL && strstr (tmp, arg) != 0)
+	printf_filtered ("Thread %d has extra info '%s'\n", tp->num, tmp);
+    }
+}
+
 /* Print notices when new threads are attached and detached.  */
 int print_thread_events = 1;
 static void
@@ -1418,11 +1460,15 @@ The new thread ID must be currently know
   add_cmd ("all", class_run, thread_apply_all_command,
 	   _("Apply a command to all threads."), &thread_apply_list);
 
-  add_cmd ("name", class_run, thread_name_command,
+  add_cmd ("name", no_class, thread_name_command,
 	   _("Set the current thread's name.\n\
 Usage: thread name [NAME]\n\
 If NAME is not given, then any existing name is removed."), &thread_cmd_list);
 
+  add_cmd ("tid", no_class, tid_command, _("\
+Show thread ids with a name, target pid, or extra info matching ARG."),
+	   &thread_cmd_list);
+
   if (!xdb_commands)
     add_com_alias ("t", "thread", class_run, 1);