File: [local] / prex-old / usr / lib / prex / malloc / malloc.h (download)
Revision 1.1.1.1 (vendor branch), Tue Jun 3 09:38:50 2008 UTC (16 years, 3 months ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_8_BASE, PREX_0_7_BASE, HEAD Changes since 1.1: +0 -0 lines
Yeah, this is an initial import of Prex, portable real-time microkernel
operating system. I wanna hack it for non-profit but fun, so let it in.
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/*
* Copyright (c) 2007, Kohsuke Ohtani
* 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 author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*/
#include <prex/prex.h>
#include <sys/param.h>
/* #define CONFIG_MSTAT 1 */
/* #define CONFIG_MCHECK 1 */
#define MALLOC_MAGIC (int)0xBAADF00D /* "bad food" from LocalAlloc :) */
#ifdef _REENTRANT
#define MALLOC_LOCK() mutex_lock(&malloc_lock);
#define MALLOC_UNLOCK() mutex_unlock(&malloc_lock);
#else
#define MALLOC_LOCK() do {} while (0)
#define MALLOC_UNLOCK() do {} while (0)
#endif
#define ALIGN_SIZE 16
#define ALIGN_MASK (ALIGN_SIZE - 1)
#define ROUNDUP(size) (((u_long)(size) + ALIGN_MASK) & ~ALIGN_MASK)
struct header {
struct header *next;
size_t size;
size_t vm_size;
#ifdef CONFIG_MCHECK
int magic;
#endif
};