1/*	$NetBSD: visibility.h,v 1.5 2020/05/25 20:47:34 christos Exp $	*/
2
3/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
4/*
5 * Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29#ifndef EVENT2_VISIBILITY_H_INCLUDED_
30#define EVENT2_VISIBILITY_H_INCLUDED_
31
32#include <event2/event-config.h>
33
34#if defined(event_EXPORTS) || defined(event_extra_EXPORTS) || defined(event_core_EXPORTS)
35
36#if defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550)
37#define EVENT2_EXPORT_SYMBOL __global
38#elif defined __GNUC__
39#define EVENT2_EXPORT_SYMBOL __attribute__ ((visibility("default")))
40#elif defined(_MSC_VER)
41#define EVENT2_EXPORT_SYMBOL extern __declspec(dllexport)
42#else
43/* unknown compiler */
44#define EVENT2_EXPORT_SYMBOL
45#endif
46
47#else
48
49#if defined(EVENT__NEED_DLLIMPORT) && defined(_MSC_VER) && !defined(EVENT_BUILDING_REGRESS_TEST)
50#define EVENT2_EXPORT_SYMBOL extern __declspec(dllimport)
51#else
52#define EVENT2_EXPORT_SYMBOL
53#endif
54
55#endif
56
57#endif /* EVENT2_VISIBILITY_H_INCLUDED_ */
58