convert to_thread_alive

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

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

1 files changed, 16 insertions, 0 deletions

diff --git a/gdb/target-delegates.c b/gdb/target-delegates.c
index 62f68cc..0da855a 100644
--- a/gdb/target-delegates.c
+++ b/gdb/target-delegates.c
@@ -541,6 +541,19 @@ tdefault_program_signals (struct target_ops *self, int arg1, unsigned char *arg2
 {
 }
 
+static int
+delegate_thread_alive (struct target_ops *self, ptid_t arg1)
+{
+  self = self->beneath;
+  return self->to_thread_alive (self, arg1);
+}
+
+static int
+tdefault_thread_alive (struct target_ops *self, ptid_t arg1)
+{
+  return 0;
+}
+
 static void
 delegate_find_new_threads (struct target_ops *self)
 {
@@ -1524,6 +1537,8 @@ 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_thread_alive == NULL)
+    ops->to_thread_alive = delegate_thread_alive;
   if (ops->to_find_new_threads == NULL)
     ops->to_find_new_threads = delegate_find_new_threads;
   if (ops->to_pid_to_str == NULL)
@@ -1721,6 +1736,7 @@ 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_thread_alive = tdefault_thread_alive;
   ops->to_find_new_threads = tdefault_find_new_threads;
   ops->to_pid_to_str = default_pid_to_str;
   ops->to_extra_thread_info = tdefault_extra_thread_info;