2008-05-03 Pedro Alves <pedro@codesourcery.com>

* thread.c (delete_thread): Call observer_notify_thread_exit.
        * mi/mi-interp.c (mi_interpreter_init): Register mi_thread_exit as
        thread_exit observer.
        (mi_thread_exit): New.

gdb/ChangeLog

@@ -1,3 +1,10 @@
+2008-05-03  Pedro Alves  <pedro@codesourcery.com>
+
+	* thread.c (delete_thread): Call observer_notify_thread_exit.
+        * mi/mi-interp.c (mi_interpreter_init): Register mi_thread_exit as
+        thread_exit observer.
+        (mi_thread_exit): New.
+
 2008-05-03  Thiago Jung Bauermann  <bauerman@br.ibm.com>
 
 	* breakpoint.c (create_exception_catchpoint): Remove prototype

gdb/doc/ChangeLog

@@ -1,3 +1,7 @@
+2008-05-03  Pedro Alves  <pedro@codesourcery.com>
+
+	* observer.texi (thread_exit): New.
+
 2008-05-02  Pedro Alves  <pedro@codesourcery.com>
 
 	* gdb.texinfo (Debugging Output): Document "set/show debug

gdb/doc/observer.texi

@@ -133,3 +133,7 @@ previously loaded symbol table data has now been invalidated.
 The thread specified by @var{t} has been created.
 @end deftypefun
 
+@deftypefun void thread_exit (struct thread_info *@var{t})
+The thread specified by @var{t} has exited.
+@end deftypefun
+

gdb/linux-nat.c

@@ -1022,7 +1022,9 @@ prune_lwps (void)
 static void
 exit_lwp (struct lwp_info *lp)
 {
-  if (in_thread_list (lp->ptid))
+  struct thread_info *th = find_thread_pid (lp->ptid);
+
+  if (th)
     {
       if (print_thread_events)
 	printf_unfiltered (_("[%s exited]\n"), target_pid_to_str (lp->ptid));

gdb/mi/mi-interp.c

@@ -67,6 +67,7 @@ static void mi_insert_notify_hooks (void);
 static void mi_remove_notify_hooks (void);
 
 static void mi_new_thread (struct thread_info *t);
+static void mi_thread_exit (struct thread_info *t);
 
 static void *
 mi_interpreter_init (int top_level)
@@ -88,7 +89,10 @@ mi_interpreter_init (int top_level)
   mi->event_channel = mi_console_file_new (raw_stdout, "=", 0);
 
   if (top_level)
-    observer_attach_new_thread (mi_new_thread);
+    {
+      observer_attach_new_thread (mi_new_thread);
+      observer_attach_thread_exit (mi_thread_exit);
+    }
 
   return mi;
 }
@@ -317,6 +321,16 @@ mi_new_thread (struct thread_info *t)
   gdb_flush (mi->event_channel);
 }
 
+static void
+mi_thread_exit (struct thread_info *t)
+{
+  struct mi_interp *mi = top_level_interpreter_data ();
+
+  target_terminal_ours ();
+  fprintf_unfiltered (mi->event_channel, "thread-exited,id=\"%d\"", t->num);
+  gdb_flush (mi->event_channel);
+}
+
 extern initialize_file_ftype _initialize_mi_interp; /* -Wmissing-prototypes */
 
 void

gdb/thread.c

@@ -170,6 +170,8 @@ delete_thread (ptid_t ptid)
   else
     thread_list = tp->next;
 
+  observer_notify_thread_exit (tp);
+
   free_thread (tp);
 }