NetBSD/sys/vm/vm_extern.h
thorpej 5739c88a75 Implement address space sharing (by keeping ref counts on the vmspace
structure).  Many thanks to Chuck Cranor for debugging assistence.
1998-01-03 02:53:00 +00:00

160 lines
6.6 KiB
C

/* $NetBSD: vm_extern.h,v 1.29 1998/01/03 02:53:00 thorpej Exp $ */
/*-
* Copyright (c) 1992, 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_extern.h 8.2 (Berkeley) 1/12/94
*/
struct buf;
struct loadavg;
struct proc;
struct vmspace;
struct vmtotal;
struct mount;
struct vnode;
struct core;
#ifdef KGDB
void chgkprot __P((caddr_t, int, int));
#endif
#ifdef _KERNEL
#ifdef TYPEDEF_FOR_UAP
int compat_43_getpagesize __P((struct proc *p, void *, int *));
int madvise __P((struct proc *, void *, int *));
int mincore __P((struct proc *, void *, int *));
int mprotect __P((struct proc *, void *, int *));
int msync __P((struct proc *, void *, int *));
int munmap __P((struct proc *, void *, int *));
int obreak __P((struct proc *, void *, int *));
int sbrk __P((struct proc *, void *, int *));
int smmap __P((struct proc *, void *, int *));
int sstk __P((struct proc *, void *, int *));
#endif
void assert_wait __P((void *, boolean_t));
int grow __P((struct proc *, vm_offset_t));
void iprintf __P((void (*)(const char *, ...), const char *, ...));
int kernacc __P((caddr_t, int, int));
int kinfo_loadavg __P((int, char *, int *, int, int *));
int kinfo_meter __P((int, caddr_t, int *, int, int *));
vm_offset_t kmem_alloc __P((vm_map_t, vm_size_t));
vm_offset_t kmem_alloc_pageable __P((vm_map_t, vm_size_t));
vm_offset_t kmem_alloc_wait __P((vm_map_t, vm_size_t));
void kmem_free __P((vm_map_t, vm_offset_t, vm_size_t));
void kmem_free_wakeup __P((vm_map_t, vm_offset_t, vm_size_t));
void kmem_init __P((vm_offset_t, vm_offset_t));
vm_offset_t kmem_malloc __P((vm_map_t, vm_size_t, boolean_t));
vm_map_t kmem_suballoc __P((vm_map_t, vm_offset_t *, vm_offset_t *,
vm_size_t, boolean_t));
void loadav __P((struct loadavg *));
void munmapfd __P((struct proc *, int));
int pager_cache __P((vm_object_t, boolean_t));
void sched __P((void));
void scheduler __P((void));
int svm_allocate __P((struct proc *, void *, int *));
int svm_deallocate __P((struct proc *, void *, int *));
int svm_inherit __P((struct proc *, void *, int *));
int svm_protect __P((struct proc *, void *, int *));
void swapinit __P((void));
void swapout __P((struct proc *));
void swapout_threads __P((void));
int swfree __P((struct proc *, int));
void swstrategy __P((struct buf *));
void thread_block __P((void));
void thread_sleep_msg __P((void *, simple_lock_t,
boolean_t, char *));
/* backwards compatibility */
#define thread_sleep(event, lock, ruptible) \
thread_sleep_msg((event), (lock), (ruptible), "thrd_sleep")
/*
* This define replaces the thread_wakeup prototype, as thread_wakeup
* was solely a wrapper around wakeup.
*
* void thread_wakeup __P((void *));
*/
#define thread_wakeup wakeup
int useracc __P((caddr_t, int, int));
int vm_allocate __P((vm_map_t, vm_offset_t *, vm_size_t,
boolean_t));
int vm_allocate_with_pager __P((vm_map_t, vm_offset_t *,
vm_size_t, boolean_t, vm_pager_t, vm_offset_t, boolean_t));
int vm_coredump __P((struct proc *, struct vnode *, struct ucred *,
struct core *));
int vm_deallocate __P((vm_map_t, vm_offset_t, vm_size_t));
int vm_fault __P((vm_map_t, vm_offset_t, vm_prot_t, boolean_t));
void vm_fault_copy_entry __P((vm_map_t,
vm_map_t, vm_map_entry_t, vm_map_entry_t));
void vm_fault_unwire __P((vm_map_t, vm_offset_t, vm_offset_t));
int vm_fault_wire __P((vm_map_t, vm_offset_t, vm_offset_t));
void vm_fork __P((struct proc *, struct proc *, boolean_t));
int vm_inherit __P((vm_map_t,
vm_offset_t, vm_size_t, vm_inherit_t));
void vm_init_limits __P((struct proc *));
void vm_mem_init __P((void));
int vm_mmap __P((vm_map_t, vm_offset_t *, vm_size_t,
vm_prot_t, vm_prot_t, int, caddr_t, vm_offset_t));
int vm_protect __P((vm_map_t,
vm_offset_t, vm_size_t, boolean_t, vm_prot_t));
void vm_set_page_size __P((void));
void vmmeter __P((void));
struct vmspace *vmspace_alloc __P((vm_offset_t, vm_offset_t, int));
struct vmspace *vmspace_fork __P((struct vmspace *));
void vmspace_exec __P((struct proc *));
void vmspace_free __P((struct vmspace *));
void vmspace_share __P((struct proc *, struct proc *));
void vmspace_unshare __P((struct proc *));
void vmtotal __P((struct vmtotal *));
void vnode_pager_setsize __P((struct vnode *, u_quad_t));
void vnode_pager_sync __P((struct mount *));
void vnode_pager_umount __P((struct mount *));
boolean_t vnode_pager_uncache __P((struct vnode *));
void vslock __P((caddr_t, u_int));
void vsunlock __P((caddr_t, u_int));
/* Machine dependent portion */
void vmapbuf __P((struct buf *, vm_size_t));
void vunmapbuf __P((struct buf *, vm_size_t));
void pagemove __P((caddr_t, caddr_t, size_t));
void cpu_fork __P((struct proc *, struct proc *));
#ifndef cpu_swapin
void cpu_swapin __P((struct proc *));
#endif
#ifndef cpu_swapout
void cpu_swapout __P((struct proc *));
#endif
#endif