[PATCH v3 2/6] Add python method InferiorThread.handle

[Kevin Buettner <kevinb@redhat.com>]

gdb/ChangeLog:

	* python/py-infthread.c (thpy_thread_handle): New function.
	(thread_object_methods): Register thpy_thread_handle.
---
 gdb/python/py-infthread.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/gdb/python/py-infthread.c b/gdb/python/py-infthread.c
index bf90d08ae6..9be6bf43cf 100644
--- a/gdb/python/py-infthread.c
+++ b/gdb/python/py-infthread.c
@@ -257,6 +257,34 @@ thpy_is_valid (PyObject *self, PyObject *args)
   Py_RETURN_TRUE;
 }
 
+/* Implementation of gdb.InferiorThread.handle (self) -> handle. */
+
+static PyObject *
+thpy_thread_handle (PyObject *self, PyObject *args)
+{
+  thread_object *thread_obj = (thread_object *) self;
+  THPY_REQUIRE_VALID (thread_obj);
+
+  gdb::byte_vector hv;
+  
+  TRY
+    {
+      hv = target_thread_info_to_thread_handle (thread_obj->thread);
+    }
+  CATCH (ex, RETURN_MASK_ALL)
+    {
+      GDB_PY_HANDLE_EXCEPTION (ex);
+    }
+  END_CATCH
+
+  if (hv.size () == 0)
+    return NULL;
+
+  PyObject *object = PyBytes_FromStringAndSize ((const char *) hv.data (),
+				                hv.size());
+  return object;
+}
+
 /* Return a reference to a new Python object representing a ptid_t.
    The object is a tuple containing (pid, lwp, tid). */
 PyObject *
@@ -336,6 +364,9 @@ Return whether the thread is running." },
   { "is_exited", thpy_is_exited, METH_NOARGS,
     "is_exited () -> Boolean\n\
 Return whether the thread is exited." },
+  { "handle", thpy_thread_handle, METH_NOARGS,
+    "handle  () -> handle\n\
+Return thread library specific handle for thread." },
 
   { NULL }
 };