Exemplos de _keeper_for_type em Python

Exemplo n.º 1

    def test_pass_opaque_pointer_via_callback(self):
        eating_callback = self.eating_callback()
        TP = lltype.Ptr(lltype.GcStruct('X', ('x', lltype.Signed)))
        struct = lltype.malloc(TP.TO) # gc structure
        struct.x = 8

        def g(i):
            return get_keepalive_object(i, TP).x

        pos = register_keepalive(struct)
        assert _keeper_for_type(TP).stuff_to_keepalive[pos] is struct
        del struct
        res = eating_callback(pos, g)
        unregister_keepalive(pos, TP)
        assert res == 8

Exemplo n.º 2

Arquivo: test_rffi.py Projeto: zcxowwww/pypy

    def test_pass_opaque_pointer_via_callback(self):
        eating_callback = self.eating_callback()
        TP = lltype.Ptr(lltype.GcStruct('X', ('x', lltype.Signed)))
        struct = lltype.malloc(TP.TO)  # gc structure
        struct.x = 8

        def g(i):
            return get_keepalive_object(i, TP).x

        pos = register_keepalive(struct)
        assert _keeper_for_type(TP).stuff_to_keepalive[pos] is struct
        del struct
        res = eating_callback(pos, g)
        unregister_keepalive(pos, TP)
        assert res == 8