[apple/xnu.git] / bsd / sys / vm.h

/*
 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)vm.h	8.5 (Berkeley) 5/11/95
 */
/* HISTORY
 *  05-Jun-95  Mac Gillon (mgillon) at NeXT
 * 	4.4 code uses this file to import MACH API
 */

#ifndef _SYS_VM_H
#define _SYS_VM_H

#include <sys/appleapiopts.h>

/* Machine specific config stuff */
#if	defined(KERNEL) && !defined(MACH_USER_API)	
#include <sys/vmmeter.h>
#include <sys/queue.h>
#include <mach/vm_param.h>
#endif

#ifdef __APPLE_API_OBSOLETE
/*
 * Shareable process virtual address space.
 * May eventually be merged with vm_map.
 * Several fields are temporary (text, data stuff).
 */
struct vmspace {
	int	vm_refcnt;	/* number of references */
	caddr_t	vm_shm;		/* SYS5 shared memory private data XXX */
/* we copy from vm_startcopy to the end of the structure on fork */
#define vm_startcopy vm_rssize
	segsz_t vm_rssize; 	/* current resident set size in pages */
	segsz_t vm_swrss;	/* resident set size before last swap */
	segsz_t vm_tsize;	/* text size (pages) XXX */
	segsz_t vm_dsize;	/* data size (pages) XXX */
	segsz_t vm_ssize;	/* stack size (pages) */
	caddr_t	vm_taddr;	/* user virtual address of text XXX */
	caddr_t	vm_daddr;	/* user virtual address of data XXX */
	caddr_t vm_maxsaddr;	/* user VA at max stack growth */
};

#else /* __APPLE_API_OBSOLETE */
/* just to keep kinfo_proc happy */
struct vmspace {
	int32_t	dummy[10];
};
#endif /* __APPLE_API_OBSOLETE */

#ifdef KERNEL

#ifdef __APPLE_API_PRIVATE
#ifdef BSD_BUILD
#include <kern/thread.h>
#endif /* BSD_BUILD */
#endif /* __APPLE_API_PRIVATE */

struct proc *current_proc(void);

#endif /* KERNEL */

#endif /* _SYS_VM_H */
Commit	Line	Data
1c79356b	1	/*
9bccf70c	2	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
	11	*
	12	* This Original Code and all software distributed under the License are
	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	23	/*
	24	* Copyright (c) 1991, 1993
	25	* The Regents of the University of California. All rights reserved.
	26	*
	27	* Redistribution and use in source and binary forms, with or without
	28	* modification, are permitted provided that the following conditions
	29	* are met:
	30	* 1. Redistributions of source code must retain the above copyright
	31	* notice, this list of conditions and the following disclaimer.
	32	* 2. Redistributions in binary form must reproduce the above copyright
	33	* notice, this list of conditions and the following disclaimer in the
	34	* documentation and/or other materials provided with the distribution.
	35	* 3. All advertising materials mentioning features or use of this software
	36	* must display the following acknowledgement:
	37	* This product includes software developed by the University of
	38	* California, Berkeley and its contributors.
	39	* 4. Neither the name of the University nor the names of its contributors
	40	* may be used to endorse or promote products derived from this software
	41	* without specific prior written permission.
	42	*
	43	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	44	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	45	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	46	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	47	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	48	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	49	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	50	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	51	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	52	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	53	* SUCH DAMAGE.
	54	*
	55	* @(#)vm.h 8.5 (Berkeley) 5/11/95
	56	*/
	57	/* HISTORY
	58	* 05-Jun-95 Mac Gillon (mgillon) at NeXT
	59	* 4.4 code uses this file to import MACH API
	60	*/
	61
	62	#ifndef _SYS_VM_H
	63	#define _SYS_VM_H
	64
9bccf70c A	65	#include <sys/appleapiopts.h>
9bccf70c A	66
1c79356b A	67	/* Machine specific config stuff */
	68	#if defined(KERNEL) && !defined(MACH_USER_API)
	69	#include <sys/vmmeter.h>
	70	#include <sys/queue.h>
	71	#include <mach/vm_param.h>
	72	#endif
	73
9bccf70c	74	#ifdef __APPLE_API_OBSOLETE
1c79356b A	75	/*
	76	* Shareable process virtual address space.
	77	* May eventually be merged with vm_map.
	78	* Several fields are temporary (text, data stuff).
	79	*/
	80	struct vmspace {
	81	int vm_refcnt; /* number of references */
	82	caddr_t vm_shm; /* SYS5 shared memory private data XXX */
	83	/* we copy from vm_startcopy to the end of the structure on fork */
	84	#define vm_startcopy vm_rssize
	85	segsz_t vm_rssize; /* current resident set size in pages */
	86	segsz_t vm_swrss; /* resident set size before last swap */
	87	segsz_t vm_tsize; /* text size (pages) XXX */
	88	segsz_t vm_dsize; /* data size (pages) XXX */
	89	segsz_t vm_ssize; /* stack size (pages) */
	90	caddr_t vm_taddr; /* user virtual address of text XXX */
	91	caddr_t vm_daddr; /* user virtual address of data XXX */
	92	caddr_t vm_maxsaddr; /* user VA at max stack growth */
	93	};
	94
9bccf70c A	95	#else /* __APPLE_API_OBSOLETE */
	96	/* just to keep kinfo_proc happy */
	97	struct vmspace {
	98	int32_t dummy[10];
	99	};
	100	#endif /* __APPLE_API_OBSOLETE */
	101
1c79356b A	102	#ifdef KERNEL
1c79356b A	103
9bccf70c	104	#ifdef __APPLE_API_PRIVATE
1c79356b A	105	#ifdef BSD_BUILD
	106	#include <kern/thread.h>
	107	#endif /* BSD_BUILD */
9bccf70c	108	#endif /* __APPLE_API_PRIVATE */
1c79356b A	109
	110	struct proc *current_proc(void);
	111
	112	#endif /* KERNEL */
	113
	114	#endif /* _SYS_VM_H */