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58 lines
2.2 KiB
C
58 lines
2.2 KiB
C
/*-
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* Copyright (c) 2005,
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* Bosko Milekic <bmilekic@FreeBSD.org>. All rights reserved.
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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 unmodified, this list of conditions, and the following
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* 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _VM_MEMGUARD_H_
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#define _VM_MEMGUARD_H_
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#include "opt_vm.h"
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struct malloc_type;
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struct vm_map;
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#ifdef DEBUG_MEMGUARD
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unsigned long memguard_fudge(unsigned long, unsigned long);
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void memguard_init(struct vm_map *);
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void *memguard_alloc(unsigned long, int);
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void *memguard_realloc(void *, unsigned long, struct malloc_type *, int);
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void memguard_free(void *);
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int memguard_cmp_mtp(struct malloc_type *, unsigned long);
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int memguard_cmp_zone(uma_zone_t);
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int is_memguard_addr(void *);
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#else
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#define memguard_fudge(size, xxx) (size)
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#define memguard_init(map) do { } while (0)
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#define memguard_alloc(size, flags) NULL
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#define memguard_realloc(a, s, mtp, f) NULL
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#define memguard_free(addr) do { } while (0)
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#define memguard_cmp_mtp(mtp, size) 0
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#define memguard_cmp_zone(zone) 0
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#define is_memguard_addr(addr) 0
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#endif
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#endif /* _VM_MEMGUARD_H_ */
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