memp.h

这个是vxworks powerpc bsp与ucos的移植

/*
 * Copyright (c) 2001, Swedish Institute of Computer Science.
 * All rights reserved. 
 *
 * 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. Neither the name of the Institute nor the names of its contributors 
 *    may be used to endorse or promote products derived from this software 
 *    without specific prior written permission. 
 *
 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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. 
 *
 * This file is part of the lwIP TCP/IP stack.
 * 
 * Author: Adam Dunkels <[e-mail]>
 *
 * $Id: memp.h,v 1.1 2001/12/12 10:01:00 adam Exp $
 */

#ifndef __LWIP_MEMP_H__
#define __LWIP_MEMP_H__

#include "lwip/debug.h"
#include "arch/cc.h"
#include "lwipopts.h"

typedef enum {
  MEMP_PBUF,
  MEMP_UDP_PCB,
  MEMP_TCP_PCB,
  MEMP_TCP_PCB_LISTEN,
  MEMP_TCP_SEG,

  MEMP_NETBUF,
  MEMP_NETCONN,
  MEMP_API_MSG,
  MEMP_TCPIP_MSG,

  MEMP_SYS_TIMEOUT,
  
  MEMP_MAX
} memp_t;

void memp_init(void);

void *memp_malloc(memp_t type);
void *memp_mallocp(memp_t type);
void *memp_malloc2(memp_t type);
void *memp_realloc(memp_t fromtype, memp_t totype, void *mem);
void memp_free(memp_t type, void *mem);
void memp_freep(memp_t type, void *mem);

#if MEMP_RECLAIM
typedef u8_t (*memp_reclaim_func)(void *arg, memp_t type);
void memp_register_reclaim(memp_t type, memp_reclaim_func f, void *arg);
#else 
#define memp_register_reclaim(t, f, arg)
#endif /* MEMP_RECLAIM */

#endif /* __LWIP_MEMP_H__  */