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# mem.h

Go to the documentation of this file.

    00001 /*
    00002  * Copyright (c) 2001, Swedish Institute of Computer Science.
    00003  * All rights reserved.
    00004  *
    00005  * Redistribution and use in source and binary forms, with or without
    00006  * modification, are permitted provided that the following conditions
    00007  * are met:
    00008  * 1. Redistributions of source code must retain the above copyright
    00009  *    notice, this list of conditions and the following disclaimer.
    00010  * 2. Redistributions in binary form must reproduce the above copyright
    00011  *    notice, this list of conditions and the following disclaimer in the
    00012  *    documentation and/or other materials provided with the distribution.
    00013  * 3. Neither the name of the Institute nor the names of its contributors
    00014  *    may be used to endorse or promote products derived from this software
    00015  *    without specific prior written permission.
    00016  *
    00017  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
    00018  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    00020  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
    00021  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    00022  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    00023  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    00024  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    00025  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    00026  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    00027  * SUCH DAMAGE.
    00028  *
    00029  * This file is part of the lwIP TCP/IP stack.
    00030  *
    00031  * Author: Adam Dunkels <adam@sics.se>
    00032  *
    00033  * $Id: mem_8h-source.html 88 2016-01-12 00:11:29Z reddawg $
    00034  */
    00035 #ifndef __LWIP_MEM_H__
    00036 #define __LWIP_MEM_H__
    00037
    00038 #include <ubixos/types.h>
    00039
    00040 #include "net/debug.h"
    00041 #include "net/opt.h"
    00042 #include "net/arch.h"
    00043
    00044 #if MEM_SIZE > 64000l
    00045 typedef uInt32 mem_size_t;
    00046 #else
    00047 typedef uInt16 mem_size_t;
    00048 #endif /* MEM_SIZE > 64000 */
    00049
    00050
    00051 void mem_init(void);
    00052
    00053 void *mem_malloc(mem_size_t size);
    00054 void *mem_malloc2(mem_size_t size);
    00055 void mem_free(void *mem);
    00056 void *mem_realloc(void *mem, mem_size_t size);
    00057 void *mem_reallocm(void *mem, mem_size_t size);
    00058
    00059 #ifdef MEM_PERF
    00060 void mem_perf_start(void);
    00061 void mem_perf_init(char *fname);
    00062 #endif /* MEM_PERF */
    00063
    00064 #ifdef MEM_RECLAIM
    00065 typedef mem_size_t (*mem_reclaim_func)(void *arg, mem_size_t size);
    00066 void mem_register_reclaim(mem_reclaim_func f, void *arg);
    00067 void mem_reclaim(unsigned int size);
    00068 #else
    00069 #define mem_register_reclaim(f, arg)
    00070 #endif /* MEM_RECLAIM */
    00071
    00072
    00073 #define MEM_ALIGN_SIZE(size) (size + \
    00074                              ((((size) % (MEM_ALIGNMENT)) == 0)? 0 : \
    00075                              ((MEM_ALIGNMENT) - ((size) % (MEM_ALIGNMENT)))))
    00076
    00077 #define MEM_ALIGN(addr) (void *)MEM_ALIGN_SIZE((uInt32)addr)
    00078
    00079 #endif /* __LWIP_MEM_H__ */
    00080