libevent/include/event2/visibility.h
Azat Khuzhin 92cf234b0c log/win32: fix exporting extern variable
==> win:   C:\vagrant\log.c(73): error C2370: 'event_debug_logging_mask_' : redefinition; different storage class [C:\vagrant\.cmake-vagrant\event_core_shared.vcxproj]
2017-03-14 12:55:40 +03:00

65 lines
2.5 KiB
C

/* -*- Mode: C; tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright (c) 2007-2012 Niels Provos and Nick Mathewson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef EVENT2_VISIBILITY_H_INCLUDED_
#define EVENT2_VISIBILITY_H_INCLUDED_
#include <event2/event-config.h>
#if defined(event_shared_EXPORTS) || \
defined(event_extra_shared_EXPORTS) || \
defined(event_core_shared_EXPORTS) || \
defined(event_pthreads_shared_EXPORTS) || \
defined(event_openssl_shared_EXPORTS)
# if defined (__SUNPRO_C) && (__SUNPRO_C >= 0x550)
# define EVENT2_EXPORT_SYMBOL __global
# elif defined __GNUC__
# define EVENT2_EXPORT_SYMBOL __attribute__ ((visibility("default")))
# elif defined(_MSC_VER)
# define EVENT2_EXPORT_SYMBOL extern __declspec(dllexport)
# else
# define EVENT2_EXPORT_SYMBOL /* unknown compiler */
# endif
#else /* event_*_EXPORTS */
# if defined(_MSC_VER)
# define EVENT2_EXPORT_SYMBOL extern __declspec(dllimport)
# else
# define EVENT2_EXPORT_SYMBOL
# endif
#endif /* event_*_EXPORTS */
#if defined(_MSC_VER)
# define EVENT2_EXPORT_SYMBOL_DECL __declspec(dllimport)
#else
# define EVENT2_EXPORT_SYMBOL_DECL extern
#endif
#endif /* EVENT2_VISIBILITY_H_INCLUDED_ */