1 /* $NetBSD: visibility.h,v 1.4 2016/01/08 21:35:41 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