convert to_find_new_threads

2014-02-19  Tom Tromey  <tromey@redhat.com>

	* target-delegates.c: Rebuild.
	* target.c (target_find_new_threads): Unconditionally delegate.
	* target.h (struct target_ops) <to_find_new_threads>: Use
	TARGET_DEFAULT_RETURN.

4 files changed, 27 insertions, 14 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e3ce6d1..bcc47b9 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,6 +1,13 @@
 2014-02-19  Tom Tromey  <tromey@redhat.com>
 
 	* target-delegates.c: Rebuild.
+	* target.c (target_find_new_threads): Unconditionally delegate.
+	* target.h (struct target_ops) <to_find_new_threads>: Use
+	TARGET_DEFAULT_RETURN.
+
+2014-02-19  Tom Tromey  <tromey@redhat.com>
+
+	* target-delegates.c: Rebuild.
 	* target.c (target_program_signals): Unconditionally delegate.
 	* target.h (struct target_ops) <to_program_signals>: Use
 	TARGET_DEFAULT_IGNORE.
diff --git a/gdb/target-delegates.c b/gdb/target-delegates.c
index d3b8da7..781167a 100644
--- a/gdb/target-delegates.c
+++ b/gdb/target-delegates.c
@@ -541,6 +541,18 @@ tdefault_program_signals (struct target_ops *self, int arg1, unsigned char *arg2
 {
 }
 
+static void
+delegate_find_new_threads (struct target_ops *self)
+{
+  self = self->beneath;
+  self->to_find_new_threads (self);
+}
+
+static void
+tdefault_find_new_threads (struct target_ops *self)
+{
+}
+
 static char *
 delegate_extra_thread_info (struct target_ops *self, struct thread_info *arg1)
 {
@@ -1284,6 +1296,8 @@ install_delegators (struct target_ops *ops)
     ops->to_pass_signals = delegate_pass_signals;
   if (ops->to_program_signals == NULL)
     ops->to_program_signals = delegate_program_signals;
+  if (ops->to_find_new_threads == NULL)
+    ops->to_find_new_threads = delegate_find_new_threads;
   if (ops->to_extra_thread_info == NULL)
     ops->to_extra_thread_info = delegate_extra_thread_info;
   if (ops->to_thread_name == NULL)
@@ -1443,6 +1457,7 @@ install_dummy_methods (struct target_ops *ops)
   ops->to_mourn_inferior = default_mourn_inferior;
   ops->to_pass_signals = tdefault_pass_signals;
   ops->to_program_signals = tdefault_program_signals;
+  ops->to_find_new_threads = tdefault_find_new_threads;
   ops->to_extra_thread_info = tdefault_extra_thread_info;
   ops->to_thread_name = tdefault_thread_name;
   ops->to_stop = tdefault_stop;
diff --git a/gdb/target.c b/gdb/target.c
index 0519900..59c593f 100644
--- a/gdb/target.c
+++ b/gdb/target.c
@@ -3606,19 +3606,9 @@ target_thread_alive (ptid_t ptid)
 void
 target_find_new_threads (void)
 {
-  struct target_ops *t;
-
-  for (t = current_target.beneath; t != NULL; t = t->beneath)
-    {
-      if (t->to_find_new_threads != NULL)
-	{
-	  t->to_find_new_threads (t);
-	  if (targetdebug)
-	    fprintf_unfiltered (gdb_stdlog, "target_find_new_threads ()\n");
-
-	  return;
-	}
-    }
+  current_target.to_find_new_threads (&current_target);
+  if (targetdebug)
+    fprintf_unfiltered (gdb_stdlog, "target_find_new_threads ()\n");
 }
 
 void
diff --git a/gdb/target.h b/gdb/target.h
index 421dd75..7b36e48 100644
--- a/gdb/target.h
+++ b/gdb/target.h
@@ -559,7 +559,8 @@ struct target_ops
       TARGET_DEFAULT_IGNORE ();
 
     int (*to_thread_alive) (struct target_ops *, ptid_t ptid);
-    void (*to_find_new_threads) (struct target_ops *);
+    void (*to_find_new_threads) (struct target_ops *)
+      TARGET_DEFAULT_IGNORE ();
     char *(*to_pid_to_str) (struct target_ops *, ptid_t);
     char *(*to_extra_thread_info) (struct target_ops *, struct thread_info *)
       TARGET_DEFAULT_RETURN (0);