1/*	$NetBSD: visibility.h,v 1.1.1.2 2021/04/07 02:43:14 christos Exp $	*/
2/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
3/*
4 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28#ifndef EVENT2_VISIBILITY_H_INCLUDED_
29#define EVENT2_VISIBILITY_H_INCLUDED_
30
31#include <event2/event-config.h>
32
33#if defined(event_shared_EXPORTS) || \
34    defined(event_extra_shared_EXPORTS) || \
35    defined(event_core_shared_EXPORTS) || \
36    defined(event_pthreads_shared_EXPORTS) || \
37    defined(event_openssl_shared_EXPORTS)
38
39# if defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550)
40#  define EVENT2_EXPORT_SYMBOL __global
41# elif defined __GNUC__
42#  define EVENT2_EXPORT_SYMBOL __attribute__ ((visibility("default")))
43# elif defined(_MSC_VER)
44#  define EVENT2_EXPORT_SYMBOL __declspec(dllexport)
45# else
46#  define EVENT2_EXPORT_SYMBOL /* unknown compiler */
47# endif
48
49#else /* event_*_EXPORTS */
50
51# define EVENT2_EXPORT_SYMBOL
52
53#endif /* event_*_EXPORTS */
54
55/** We need to dllimport event_debug_logging_mask_ into event_extra */
56#if defined(_MSC_VER)
57# if defined(event_core_shared_EXPORTS) /** from core export */
58#  define EVENT2_CORE_EXPORT_SYMBOL __declspec(dllexport)
59# elif defined(event_extra_shared_EXPORTS) || /** from extra import */ \
60       defined(EVENT_VISIBILITY_WANT_DLLIMPORT)
61#  define EVENT2_CORE_EXPORT_SYMBOL __declspec(dllimport)
62# endif
63#endif /* _MSC_VER */
64#if !defined(EVENT2_CORE_EXPORT_SYMBOL)
65# define EVENT2_CORE_EXPORT_SYMBOL EVENT2_EXPORT_SYMBOL
66#endif
67
68#endif /* EVENT2_VISIBILITY_H_INCLUDED_ */
69