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include/mpool.h Libc-825.25 /dev/null
--- Libc/Libc-825.25/include/mpool.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*-
- * Copyright (c) 1991, 1993, 1994
- *	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.
- *
- *	@(#)mpool.h	8.2 (Berkeley) 7/14/94
- * $FreeBSD: src/include/mpool.h,v 1.9 2002/03/23 17:24:53 imp Exp $
- */
-
-#ifndef _MPOOL_H_
-#define _MPOOL_H_
-
-#include <sys/queue.h>
-
-/*
- * The memory pool scheme is a simple one.  Each in-memory page is referenced
- * by a bucket which is threaded in up to two of three ways.  All active pages
- * are threaded on a hash chain (hashed by page number) and an lru chain.
- * Inactive pages are threaded on a free chain.  Each reference to a memory
- * pool is handed an opaque MPOOL cookie which stores all of this information.
- */
-#define	HASHSIZE	128
-#define	HASHKEY(pgno)	((pgno - 1) % HASHSIZE)
-
-/* The BKT structures are the elements of the queues. */
-typedef struct _bkt {
-	TAILQ_ENTRY(_bkt) hq;		/* hash queue */
-	TAILQ_ENTRY(_bkt) q;		/* lru queue */
-	void    *page;			/* page */
-	pgno_t   pgno;			/* page number */
-
-#define	MPOOL_DIRTY	0x01		/* page needs to be written */
-#define	MPOOL_PINNED	0x02		/* page is pinned into memory */
-	u_int8_t flags;			/* flags */
-} BKT;
-
-typedef struct MPOOL {
-	TAILQ_HEAD(_lqh, _bkt) lqh;	/* lru queue head */
-					/* hash queue array */
-	TAILQ_HEAD(_hqh, _bkt) hqh[HASHSIZE];
-	pgno_t	curcache;		/* current number of cached pages */
-	pgno_t	maxcache;		/* max number of cached pages */
-	pgno_t	npages;			/* number of pages in the file */
-	unsigned long	pagesize;	/* file page size */
-	int	fd;			/* file descriptor */
-					/* page in conversion routine */
-	void    (*pgin)(void *, pgno_t, void *);
-					/* page out conversion routine */
-	void    (*pgout)(void *, pgno_t, void *);
-	void	*pgcookie;		/* cookie for page in/out routines */
-#ifdef STATISTICS
-	unsigned long	cachehit;
-	unsigned long	cachemiss;
-	unsigned long	pagealloc;
-	unsigned long	pageflush;
-	unsigned long	pageget;
-	unsigned long	pagenew;
-	unsigned long	pageput;
-	unsigned long	pageread;
-	unsigned long	pagewrite;
-#endif
-} MPOOL;
-
-__BEGIN_DECLS
-MPOOL	*mpool_open(void *, int, pgno_t, pgno_t);
-void	 mpool_filter(MPOOL *, void (*)(void *, pgno_t, void *),
-	    void (*)(void *, pgno_t, void *), void *);
-void	*mpool_new(MPOOL *, pgno_t *);
-void	*mpool_get(MPOOL *, pgno_t, unsigned int);
-int	 mpool_put(MPOOL *, void *, unsigned int);
-int	 mpool_sync(MPOOL *);
-int	 mpool_close(MPOOL *);
-#ifdef STATISTICS
-void	 mpool_stat(MPOOL *);
-#endif
-__END_DECLS
-
-#endif