1 files changed, 97 insertions, 0 deletions
diff --git a/gdb/thread-fsm.c b/gdb/thread-fsm.c
new file mode 100644
index 0000000..761ad1c
--- /dev/null
+++ b/gdb/thread-fsm.c
@@ -0,0 +1,97 @@
+/* Thread command's finish-state machine, for GDB, the GNU debugger.
+   Copyright (C) 2015 Free Software Foundation, Inc.
+
+   This file is part of GDB.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include "defs.h"
+#include "thread-fsm.h"
+
+/* See thread-fsm.h.  */
+
+void
+thread_fsm_ctor (struct thread_fsm *self, struct thread_fsm_ops *ops)
+{
+  self->finished = 0;
+  self->ops = ops;
+}
+
+/* See thread-fsm.h.  */
+
+void
+thread_fsm_delete (struct thread_fsm *self)
+{
+  if (self != NULL)
+    {
+      if (self->ops->dtor != NULL)
+	self->ops->dtor (self);
+      xfree (self);
+    }
+}
+
+/* See thread-fsm.h.  */
+
+void
+thread_fsm_clean_up (struct thread_fsm *self)
+{
+  if (self->ops->clean_up != NULL)
+    self->ops->clean_up (self);
+}
+
+/* See thread-fsm.h.  */
+
+int
+thread_fsm_should_stop (struct thread_fsm *self)
+{
+  return self->ops->should_stop (self);
+}
+
+/* See thread-fsm.h.  */
+
+struct return_value_info *
+thread_fsm_return_value (struct thread_fsm *self)
+{
+  if (self->ops->return_value != NULL)
+    return self->ops->return_value (self);
+  return NULL;
+}
+
+/* See thread-fsm.h.  */
+
+void
+thread_fsm_set_finished (struct thread_fsm *self)
+{
+  self->finished = 1;
+}
+
+/* See thread-fsm.h.  */
+
+int
+thread_fsm_finished_p (struct thread_fsm *self)
+{
+  return self->finished;
+}
+
+/* See thread-fsm.h.  */
+
+enum async_reply_reason
+thread_fsm_async_reply_reason (struct thread_fsm *self)
+{
+  /* If we didn't finish, then the stop reason must come from
+     elsewhere.  E.g., a breakpoint hit or a signal intercepted.  */
+  gdb_assert (thread_fsm_finished_p (self));
+
+  return self->ops->async_reply_reason (self);
+}