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/*
* Copyright (c) 1994, 1998, 1999 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* This header file defines common types and functions used by
* the minimal C library's default memory allocation functions.
* This header file is NOT a standard POSIX or Unix header file;
* instead its purpose is to expose the implementation of this facility
* so that the client can fully control it and use it in arbitrary contexts.
*/
#ifndef _OSKIT_FREEBSD_MALLOC_H_
#define _OSKIT_FREEBSD_MALLOC_H_
#include <oskit/types.h>
#include <oskit/compiler.h>
#include <machine/ansi.h>
#include <oskit/c/environment.h>
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
OSKIT_BEGIN_DECLS
/*
* Don't macro expand protos please.
*/
#ifndef MALLOC_IS_MACRO
void *malloc(size_t size);
void *mustmalloc(size_t size);
void *memalign(size_t alignment, size_t size);
void *calloc(size_t nelt, size_t eltsize);
void *mustcalloc(size_t nelt, size_t eltsize);
void *realloc(void *buf, size_t new_size);
void free(void *buf);
/*
* Alternate version of the standard malloc functions that expect the
* caller to keep track of the size of allocated chunks. These
* versions are _much_ more memory-efficient when allocating many
* chunks naturally aligned to their (natural) size (e.g. allocating
* naturally-aligned pages or superpages), because normal memalign
* requires a prefix between each chunk which will create horrendous
* fragmentation and memory loss. Chunks allocated with these
* functions must be freed with sfree() rather than the ordinary
* free().
*/
void *smalloc(size_t size);
void *smemalign(size_t alignment, size_t size);
void *scalloc(size_t size);
void *srealloc(void *buf, size_t old_size, size_t new_size);
void sfree(void *buf, size_t size);
#endif /* MALLOC_IS_MACRO */
/*
* These functions by default do nothing, but can be overridden by the
* C library when it detects that there is a registered lock manager,
* and thus needs to provide proper locking.
*/
void mem_lock(void);
void mem_unlock(void);
void mem_lock_init(void);
OSKIT_END_DECLS
#endif _OSKIT_FREEBSD_MALLOC_H_
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