projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /* |
| 2 | * Copyright (c) 1991 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 1284e777 RG |
33 | * from: @(#)vm.h 7.1 (Berkeley) 5/5/91 |
| 34 | * $Id$ | |
| 15637ed4 RG |
35 | */ |
| 36 | ||
| 37 | #ifndef VM_H | |
| 38 | #define VM_H | |
| 39 | #include <vm/vm_param.h> | |
| 40 | #include <vm/lock.h> | |
| 41 | #include <vm/queue.h> | |
| 42 | #include <vm/vm_prot.h> | |
| 43 | #include <vm/vm_inherit.h> | |
| 44 | #include <vm/vm_map.h> | |
| 45 | #include <vm/vm_object.h> | |
| 46 | #include <vm/vm_statistics.h> | |
| 47 | #include <vm/pmap.h> | |
| 48 | ||
| 49 | /* | |
| 50 | * Shareable process virtual address space. | |
| 51 | * May eventually be merged with vm_map. | |
| 52 | * Several fields are temporary (text, data stuff). | |
| 53 | */ | |
| 54 | struct vmspace { | |
| 55 | struct vm_map vm_map; /* VM address map */ | |
| 56 | struct pmap vm_pmap; /* private physical map */ | |
| 57 | int vm_refcnt; /* number of references */ | |
| 58 | caddr_t vm_shm; /* SYS5 shared memory private data XXX */ | |
| 59 | /* we copy from vm_startcopy to the end of the structure on fork */ | |
| 60 | #define vm_startcopy vm_rssize | |
| 61 | segsz_t vm_rssize; /* current resident set size in pages */ | |
| 62 | segsz_t vm_swrss; /* resident set size before last swap */ | |
| 63 | segsz_t vm_tsize; /* text size (pages) XXX */ | |
| 64 | segsz_t vm_dsize; /* data size (pages) XXX */ | |
| 65 | segsz_t vm_ssize; /* stack size (pages) */ | |
| 66 | caddr_t vm_taddr; /* user virtual address of text XXX */ | |
| 67 | caddr_t vm_daddr; /* user virtual address of data XXX */ | |
| 68 | caddr_t vm_maxsaddr; /* user VA at max stack growth */ | |
| 69 | }; | |
| 70 | ||
| 71 | struct vmspace *vmspace_alloc __P((vm_offset_t min, vm_offset_t max, | |
| 72 | int pageable)); | |
| 73 | struct vmspace *vmspace_fork __P((struct vmspace *)); | |
| 74 | void vmspace_free __P((struct vmspace *)); | |
| 75 | #endif /* VM_H */ |