* monitor (monitor_ptid): New global.

	(monitor_open): Silently add the main task to GDB's thread list.
	(monitor_close, monitor_mourn_inferior): Silently delete the main
	task from GDB's thread list.
	(monitor_thread_alive, monitor_pid_to_str): New.
	(init_base_monitor_ops): Register monitor_thread_alive and
	monitor_pid_to_str.
	(_initialize_remote_monitors): Initialize monitor_ptid.

	* gdbthread.h (delete_thread_silent): Declare.
	* thread.c (delete_thread): Rename to ...
	(delete_thread_1): ... this.  Add "silent" parameter.  If silent,
	don't do exit notifications.
	(delete_thread, delete_thread_silent): New, as wrappers to
	delete_thread_1.

1 files changed, 18 insertions, 3 deletions

diff --git a/gdb/thread.c b/gdb/thread.c
index 5b1b563..aa18228 100644
--- a/gdb/thread.c
+++ b/gdb/thread.c
@@ -153,8 +153,10 @@ add_thread (ptid_t ptid)
   return add_thread_with_info (ptid, NULL);
 }
 
-void
-delete_thread (ptid_t ptid)
+/* Delete thread PTID.  If SILENT, don't notify the observer of this
+   exit.  */
+static void
+delete_thread_1 (ptid_t ptid, int silent)
 {
   struct thread_info *tp, *tpprev;
 
@@ -172,11 +174,24 @@ delete_thread (ptid_t ptid)
   else
     thread_list = tp->next;
 
-  observer_notify_thread_exit (tp);
+  if (!silent)
+    observer_notify_thread_exit (tp);
 
   free_thread (tp);
 }
 
+void
+delete_thread (ptid_t ptid)
+{
+  delete_thread_1 (ptid, 0 /* not silent */);
+}
+
+void
+delete_thread_silent (ptid_t ptid)
+{
+  delete_thread_1 (ptid, 1 /* silent */);
+}
+
 static struct thread_info *
 find_thread_id (int num)
 {