Tor 0.4.9.0-alpha-dev
pubsub_flags.h
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1/* Copyright (c) 2001, Matej Pfajfar.
2 * Copyright (c) 2001-2004, Roger Dingledine.
3 * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
4 * Copyright (c) 2007-2021, The Tor Project, Inc. */
5/* See LICENSE for licensing information */
6
7/**
8 * @file pubsub_flags.h
9 * @brief Flags that can be set on publish/subscribe messages.
10 **/
11
12#ifndef TOR_PUBSUB_FLAGS_H
13#define TOR_PUBSUB_FLAGS_H
14
15/**
16 * Flag for registering a message: declare that no other module is allowed to
17 * publish this message if we are publishing it, or subscribe to it if we are
18 * subscribing to it.
19 */
20#define DISP_FLAG_EXCL (1u<<0)
21
22/**
23 * Flag for registering a message: declare that this message is a stub, and we
24 * will not actually publish/subscribe it, but that the dispatcher should
25 * treat us as if we did when typechecking.
26 *
27 * We use this so that messages aren't treated as "dangling" if they are
28 * potentially used by some other build of Tor.
29 */
30#define DISP_FLAG_STUB (1u<<1)
31
32#endif /* !defined(TOR_PUBSUB_FLAGS_H) */