.

wcfs/internal/_wcfs.pyx

@@ -23,9 +23,43 @@
 
 # XXX doc
 
+from libcpp cimport nullptr_t, nullptr as nil
+cdef extern from *:
+    ctypedef bint cbool "bool"
+
+cdef extern from "wcfs_misc.h" nogil:
+    cppclass error:
+        cbool operator==(nullptr_t)     const
+        cbool operator!=(nullptr_t)     const
+        cbool operator==(const error&)  const
+        cbool operator!=(const error&)  const
+
+cdef extern from "wcfs_watchlink.h" nogil:
+    cppclass WatchLink:
+        error close()
+
+from golang cimport topyexc
+
+
 cdef class PyWatchLink:
-    pass
+    cdef WatchLink *wlink
+
+    def close(PyWatchLink pywlink):
+        with nogil:
+            err = wlink_close_pyexc(pywlink.wlink)
+        if err != nil:
+            raise RuntimeError(err)     # XXX exc class?
+
 
 
 cdef class PyPinReq:
     pass
+
+
+
+# ---- misc ----
+
+cdef nogil:
+
+    error wlink_close_pyexc(WatchLink *wlink)           except +topyexc:
+        return wlink.close()