#ifndef _LIBRINGBUFFER_SHM_INTERNAL_H
#define _LIBRINGBUFFER_SHM_INTERNAL_H
/*
* libringbuffer/shm_internal.h
*
* Copyright (C) 2011-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; only
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
struct shm_ref {
volatile ssize_t index; /* within the object table */
volatile ssize_t offset; /* within the object */
};
#define DECLARE_SHMP(type, name) \
union { \
struct shm_ref _ref; \
type *_type; \
} name
#endif /* _LIBRINGBUFFER_SHM_INTERNAL_H */