rngLib.h

/*
 *  * Copyright (C) 2008 Niklaus Giger <niklaus.giger@member.fsf.org>.
 *
 * 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; either
 * version 2 of the License, or (at your option) any later version.
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
 *
 * This file satisfies the references within the emulator code
 * mimicking a VxWorks-like API built upon the copperplate library.
 *
 * VxWorks is a registered trademark of Wind River Systems, Inc.
 */
 
#ifndef _XENOMAI_VXWORKS_RNGLIB_H
#define _XENOMAI_VXWORKS_RNGLIB_H
 
#include <vxworks/types.h>
 
typedef uintptr_t RING_ID;
 
#ifdef __cplusplus
extern "C" {
#endif
 
RING_ID rngCreate(int nbytes);
 
void rngDelete(RING_ID ringId);
 
void rngFlush(RING_ID ringId);
 
int rngBufGet(RING_ID rngId, char *buffer, int maxbytes);
 
int rngBufPut(RING_ID rngId, char *buffer, int nbytes);
 
BOOL rngIsEmpty(RING_ID ringId);
 
BOOL rngIsFull(RING_ID ringId);
 
int rngFreeBytes(RING_ID ringId);
 
int rngNBytes(RING_ID ringId);
 
void rngPutAhead(RING_ID ringId, char byte, int offset);
 
void rngMoveAhead(RING_ID ringId, int n);
 
#ifdef __cplusplus
}
#endif
 
#endif  /* !_XENOMAI_VXWORKS_RNGLIB_H */