BSD 4.4 Lite Kernel Sources

1 files changed, 91 insertions, 0 deletions

diff --git a/sys/vm/vm.h b/sys/vm/vm.h
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--- /dev/null
+++ b/sys/vm/vm.h
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+/*
+ * 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	8.2 (Berkeley) 12/13/93
+ */
+
+#ifndef VM_H
+#define VM_H
+
+typedef int vm_inherit_t;		/* XXX: inheritance codes */
+
+union vm_map_object;
+typedef union vm_map_object vm_map_object_t;
+
+struct vm_map_entry;
+typedef struct vm_map_entry *vm_map_entry_t;
+
+struct vm_map;
+typedef struct vm_map *vm_map_t;
+
+struct vm_object;
+typedef struct vm_object *vm_object_t;
+
+struct vm_page;
+typedef struct vm_page  *vm_page_t;
+
+struct pager_struct;
+typedef struct pager_struct *vm_pager_t;
+
+#include <sys/vmmeter.h>
+#include <sys/queue.h>
+#include <vm/vm_param.h>
+#include <vm/lock.h>
+#include <vm/vm_prot.h>
+#include <vm/vm_inherit.h>
+#include <vm/vm_map.h>
+#include <vm/vm_object.h>
+#include <vm/pmap.h>
+#include <vm/vm_extern.h>
+
+/*
+ * Shareable process virtual address space.
+ * May eventually be merged with vm_map.
+ * Several fields are temporary (text, data stuff).
+ */
+struct vmspace {
+	struct	vm_map vm_map;	/* VM address map */
+	struct	pmap vm_pmap;	/* private physical map */
+	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 */
+};
+#endif /* VM_H */