1 files changed, 48 insertions, 0 deletions
diff --git a/python/gevent/__waiter.pxd b/python/gevent/__waiter.pxd
new file mode 100644
index 0000000..0763bae
--- /dev/null
+++ b/python/gevent/__waiter.pxd
@@ -0,0 +1,48 @@
+cimport cython
+
+from gevent.__greenlet_primitives cimport SwitchOutGreenletWithLoop
+from gevent.__hub_local cimport get_hub_noargs as get_hub
+
+cdef sys
+cdef ConcurrentObjectUseError
+
+
+cdef bint _greenlet_imported
+cdef _NONE
+
+cdef extern from "greenlet/greenlet.h":
+
+    ctypedef class greenlet.greenlet [object PyGreenlet]:
+        pass
+
+    # These are actually macros and so much be included
+    # (defined) in each .pxd, as are the two functions
+    # that call them.
+    greenlet PyGreenlet_GetCurrent()
+    void PyGreenlet_Import()
+
+cdef inline greenlet getcurrent():
+    return PyGreenlet_GetCurrent()
+
+cdef inline void greenlet_init():
+    global _greenlet_imported
+    if not _greenlet_imported:
+        PyGreenlet_Import()
+        _greenlet_imported = True
+
+cdef class Waiter:
+    cdef readonly SwitchOutGreenletWithLoop hub
+    cdef readonly greenlet greenlet
+    cdef readonly value
+    cdef _exception
+
+    cpdef get(self)
+    cpdef clear(self)
+
+    # cpdef of switch leads to parameter errors...
+    #cpdef switch(self, value)
+
+@cython.final
+@cython.internal
+cdef class MultipleWaiter(Waiter):
+    cdef list _values