b8b3b4471d
if it's going to be ifdef'd out until it's tested, it shouldn't be put in to begin with. also, minor ansifications and cleanups (mostly so tags would be happier).
83 lines
3.5 KiB
C
83 lines
3.5 KiB
C
/*
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* Copyright (c) 1991 Regents of the University of California.
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* 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, 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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* from: @(#)vm.h 7.1 (Berkeley) 5/5/91
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* $Id: vm.h,v 1.5 1993/07/15 14:25:18 cgd Exp $
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*/
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#ifndef _VM_VM_H_
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#define _VM_VM_H_
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#include <vm/vm_param.h>
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#include <vm/lock.h>
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#include <vm/queue.h>
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#include <vm/vm_prot.h>
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#include <vm/vm_inherit.h>
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#include <vm/vm_map.h>
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#include <vm/vm_object.h>
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#include <vm/vm_statistics.h>
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#include <vm/pmap.h>
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/*
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* Shareable process virtual address space.
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* May eventually be merged with vm_map.
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* Several fields are temporary (text, data stuff).
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*/
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struct vmspace {
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struct vm_map vm_map; /* VM address map */
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struct pmap vm_pmap; /* private physical map */
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int vm_refcnt; /* number of references */
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caddr_t vm_shm; /* SYS5 shared memory private data XXX */
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/* we copy from vm_startcopy to the end of the structure on fork */
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#define vm_startcopy vm_rssize
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segsz_t vm_rssize; /* current resident set size in pages */
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segsz_t vm_swrss; /* resident set size before last swap */
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segsz_t vm_tsize; /* text size (pages) XXX */
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segsz_t vm_dsize; /* data size (pages) XXX */
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segsz_t vm_ssize; /* stack size (pages) */
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caddr_t vm_taddr; /* user virtual address of text XXX */
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caddr_t vm_daddr; /* user virtual address of data XXX */
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caddr_t vm_maxsaddr; /* user VA at max stack growth */
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};
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struct vmspace *vmspace_alloc __P((vm_offset_t min, vm_offset_t max,
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int pageable));
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struct vmspace *vmspace_fork __P((struct vmspace *));
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void vmspace_free __P((struct vmspace *));
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int vm_fault __P((vm_map_t, vm_offset_t, vm_prot_t, boolean_t));
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void vm_fault_wire __P((vm_map_t, vm_offset_t, vm_offset_t));
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void vm_fault_unwire __P((vm_map_t, vm_offset_t, vm_offset_t));
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void vm_fault_copy_entry __P((vm_map_t, vm_map_t, vm_map_entry_t, vm_map_entry_t));
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#endif /* !_VM_VM_H_ */
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