56 lines
2.3 KiB
C
56 lines
2.3 KiB
C
/* $NetBSD: stalloc.h,v 1.3 1996/04/12 09:05:17 leo Exp $ */
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/*
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* Copyright (c) 1994 Christian E. Hopps (allocator stuff)
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* Copyright (c) 1995 Leo Weppelman (Atari modifications)
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _ATARI_STALLOC_H
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#define _ATARI_STALLOC_H
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/*
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* St-mem allocator stuff.
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*/
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struct mem_node {
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CIRCLEQ_ENTRY(mem_node) link;
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CIRCLEQ_ENTRY(mem_node) free_link;
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u_long size; /* size of memory following node. */
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};
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#define ST_BLOCKSIZE (sizeof(long))
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#define ST_BLOCKMASK (~(ST_BLOCKSIZE - 1))
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#define MNODES_MEM(mn) ((u_char *)(&mn[1]))
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void init_stmem __P((void));
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void *alloc_stmem __P((u_long, void **));
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void free_stmem __P((void *));
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#endif /* _ATARI_STALLOC_H */
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