78 lines
3.2 KiB
C
78 lines
3.2 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 1.3 1993/05/20 03:59:19 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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#endif /* !_VM_VM_H_ */
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