Update.

	* Makeconfig (all-subdirs): Remove db and db2.
	* db/*: Removed.
	* db2/*: Removed.

1 files changed, 0 insertions, 352 deletions

diff --git a/db2/mp/mp_fget.c b/db2/mp/mp_fget.c
deleted file mode 100644
index f159dc2d3e..0000000000
--- a/db2/mp/mp_fget.c
+++ /dev/null
@@ -1,352 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- */
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)mp_fget.c	10.53 (Sleepycat) 11/16/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <string.h>
-#endif
-
-#include "db_int.h"
-#include "shqueue.h"
-#include "db_shash.h"
-#include "mp.h"
-#include "common_ext.h"
-
-/*
- * memp_fget --
- *	Get a page from the file.
- */
-int
-memp_fget(dbmfp, pgnoaddr, flags, addrp)
-	DB_MPOOLFILE *dbmfp;
-	db_pgno_t *pgnoaddr;
-	u_int32_t flags;
-	void *addrp;
-{
-	BH *bhp;
-	DB_MPOOL *dbmp;
-	MPOOL *mp;
-	MPOOLFILE *mfp;
-	size_t bucket, mf_offset;
-	u_int32_t st_hsearch;
-	int b_incr, first, ret;
-
-	dbmp = dbmfp->dbmp;
-	mp = dbmp->mp;
-	mfp = dbmfp->mfp;
-
-	MP_PANIC_CHECK(dbmp);
-
-	/*
-	 * Validate arguments.
-	 *
-	 * !!!
-	 * Don't test for DB_MPOOL_CREATE and DB_MPOOL_NEW flags for readonly
-	 * files here, and create non-existent pages in readonly files if the
-	 * flags are set, later.  The reason is that the hash access method
-	 * wants to get empty pages that don't really exist in readonly files.
-	 * The only alternative is for hash to write the last "bucket" all the
-	 * time, which we don't want to do because one of our big goals in life
-	 * is to keep database files small.  It's sleazy as hell, but we catch
-	 * any attempt to actually write the file in memp_fput().
-	 */
-#define	OKFLAGS	(DB_MPOOL_CREATE | DB_MPOOL_LAST | DB_MPOOL_NEW)
-	if (flags != 0) {
-		if ((ret =
-		    __db_fchk(dbmp->dbenv, "memp_fget", flags, OKFLAGS)) != 0)
-			return (ret);
-
-		switch (flags) {
-		case DB_MPOOL_CREATE:
-		case DB_MPOOL_LAST:
-		case DB_MPOOL_NEW:
-		case 0:
-			break;
-		default:
-			return (__db_ferr(dbmp->dbenv, "memp_fget", 1));
-		}
-	}
-
-#ifdef DIAGNOSTIC
-	/*
-	 * XXX
-	 * We want to switch threads as often as possible.  Yield every time
-	 * we get a new page to ensure contention.
-	 */
-	if (DB_GLOBAL(db_pageyield))
-		__os_yield(1);
-#endif
-
-	/* Initialize remaining local variables. */
-	mf_offset = R_OFFSET(dbmp, mfp);
-	bhp = NULL;
-	st_hsearch = 0;
-	b_incr = ret = 0;
-
-	/* Determine the hash bucket where this page will live. */
-	bucket = BUCKET(mp, mf_offset, *pgnoaddr);
-
-	LOCKREGION(dbmp);
-
-	/*
-	 * Check for the last or last + 1 page requests.
-	 *
-	 * Examine and update the file's last_pgno value.  We don't care if
-	 * the last_pgno value immediately changes due to another thread --
-	 * at this instant in time, the value is correct.  We do increment the
-	 * current last_pgno value if the thread is asking for a new page,
-	 * however, to ensure that two threads creating pages don't get the
-	 * same one.
-	 */
-	if (LF_ISSET(DB_MPOOL_LAST | DB_MPOOL_NEW)) {
-		if (LF_ISSET(DB_MPOOL_NEW))
-			++mfp->last_pgno;
-		*pgnoaddr = mfp->last_pgno;
-		bucket = BUCKET(mp, mf_offset, mfp->last_pgno);
-
-		if (LF_ISSET(DB_MPOOL_NEW))
-			goto alloc;
-	}
-
-	/*
-	 * If mmap'ing the file and the page is not past the end of the file,
-	 * just return a pointer.
-	 *
-	 * The page may be past the end of the file, so check the page number
-	 * argument against the original length of the file.  If we previously
-	 * returned pages past the original end of the file, last_pgno will
-	 * have been updated to match the "new" end of the file, and checking
-	 * against it would return pointers past the end of the mmap'd region.
-	 *
-	 * If another process has opened the file for writing since we mmap'd
-	 * it, we will start playing the game by their rules, i.e. everything
-	 * goes through the cache.  All pages previously returned will be safe,
-	 * as long as the correct locking protocol was observed.
-	 *
-	 * XXX
-	 * We don't discard the map because we don't know when all of the
-	 * pages will have been discarded from the process' address space.
-	 * It would be possible to do so by reference counting the open
-	 * pages from the mmap, but it's unclear to me that it's worth it.
-	 */
-	if (dbmfp->addr != NULL && F_ISSET(mfp, MP_CAN_MMAP)) {
-		if (*pgnoaddr > mfp->orig_last_pgno) {
-			/*
-			 * !!!
-			 * See the comment above about non-existent pages and
-			 * the hash access method.
-			 */
-			if (!LF_ISSET(DB_MPOOL_CREATE)) {
-				__db_err(dbmp->dbenv,
-				    "%s: page %lu doesn't exist",
-				    __memp_fn(dbmfp), (u_long)*pgnoaddr);
-				ret = EINVAL;
-				goto err;
-			}
-		} else {
-			*(void **)addrp =
-			    R_ADDR(dbmfp, *pgnoaddr * mfp->stat.st_pagesize);
-			++mp->stat.st_map;
-			++mfp->stat.st_map;
-			goto done;
-		}
-	}
-
-	/* Search the hash chain for the page. */
-	for (bhp = SH_TAILQ_FIRST(&dbmp->htab[bucket], __bh);
-	    bhp != NULL; bhp = SH_TAILQ_NEXT(bhp, hq, __bh)) {
-		++st_hsearch;
-		if (bhp->pgno != *pgnoaddr || bhp->mf_offset != mf_offset)
-			continue;
-
-		/* Increment the reference count. */
-		if (bhp->ref == UINT16_T_MAX) {
-			__db_err(dbmp->dbenv,
-			    "%s: page %lu: reference count overflow",
-			    __memp_fn(dbmfp), (u_long)bhp->pgno);
-			ret = EINVAL;
-			goto err;
-		}
-
-		/*
-		 * Increment the reference count.  We may discard the region
-		 * lock as we evaluate and/or read the buffer, so we need to
-		 * ensure that it doesn't move and that its contents remain
-		 * unchanged.
-		 */
-		++bhp->ref;
-		b_incr = 1;
-
-		/*
-	 	 * Any buffer we find might be trouble.
-		 *
-		 * BH_LOCKED --
-		 * I/O is in progress.  Because we've incremented the buffer
-		 * reference count, we know the buffer can't move.  Unlock
-		 * the region lock, wait for the I/O to complete, and reacquire
-		 * the region.
-		 */
-		for (first = 1; F_ISSET(bhp, BH_LOCKED); first = 0) {
-			UNLOCKREGION(dbmp);
-
-			/*
-			 * Explicitly yield the processor if it's not the first
-			 * pass through this loop -- if we don't, we might end
-			 * up running to the end of our CPU quantum as we will
-			 * simply be swapping between the two locks.
-			 */
-			if (!first)
-				__os_yield(1);
-
-			LOCKBUFFER(dbmp, bhp);
-			/* Wait for I/O to finish... */
-			UNLOCKBUFFER(dbmp, bhp);
-			LOCKREGION(dbmp);
-		}
-
-		/*
-		 * BH_TRASH --
-		 * The contents of the buffer are garbage.  Shouldn't happen,
-		 * and this read is likely to fail, but might as well try.
-		 */
-		if (F_ISSET(bhp, BH_TRASH))
-			goto reread;
-
-		/*
-		 * BH_CALLPGIN --
-		 * The buffer was converted so it could be written, and the
-		 * contents need to be converted again.
-		 */
-		if (F_ISSET(bhp, BH_CALLPGIN)) {
-			if ((ret = __memp_pg(dbmfp, bhp, 1)) != 0)
-				goto err;
-			F_CLR(bhp, BH_CALLPGIN);
-		}
-
-		++mp->stat.st_cache_hit;
-		++mfp->stat.st_cache_hit;
-		*(void **)addrp = bhp->buf;
-		goto done;
-	}
-
-alloc:	/* Allocate new buffer header and data space. */
-	if ((ret = __memp_alloc(dbmp, sizeof(BH) -
-	    sizeof(u_int8_t) + mfp->stat.st_pagesize, NULL, &bhp)) != 0)
-		goto err;
-
-#ifdef DIAGNOSTIC
-	if ((ALIGNTYPE)bhp->buf & (sizeof(size_t) - 1)) {
-		__db_err(dbmp->dbenv,
-		    "Internal error: BH data NOT size_t aligned.");
-		ret = EINVAL;
-		goto err;
-	}
-#endif
-	/* Initialize the BH fields. */
-	memset(bhp, 0, sizeof(BH));
-	LOCKINIT(dbmp, &bhp->mutex);
-	bhp->ref = 1;
-	bhp->pgno = *pgnoaddr;
-	bhp->mf_offset = mf_offset;
-
-	/*
-	 * Prepend the bucket header to the head of the appropriate MPOOL
-	 * bucket hash list.  Append the bucket header to the tail of the
-	 * MPOOL LRU chain.
-	 */
-	SH_TAILQ_INSERT_HEAD(&dbmp->htab[bucket], bhp, hq, __bh);
-	SH_TAILQ_INSERT_TAIL(&mp->bhq, bhp, q);
-
-	/*
-	 * If we created the page, zero it out and continue.
-	 *
-	 * !!!
-	 * Note: DB_MPOOL_NEW specifically doesn't call the pgin function.
-	 * If DB_MPOOL_CREATE is used, then the application's pgin function
-	 * has to be able to handle pages of 0's -- if it uses DB_MPOOL_NEW,
-	 * it can detect all of its page creates, and not bother.
-	 *
-	 * Otherwise, read the page into memory, optionally creating it if
-	 * DB_MPOOL_CREATE is set.
-	 */
-	if (LF_ISSET(DB_MPOOL_NEW)) {
-		if (mfp->clear_len == 0)
-			memset(bhp->buf, 0, mfp->stat.st_pagesize);
-		else {
-			memset(bhp->buf, 0, mfp->clear_len);
-#ifdef DIAGNOSTIC
-			memset(bhp->buf + mfp->clear_len, 0xdb,
-			    mfp->stat.st_pagesize - mfp->clear_len);
-#endif
-		}
-
-		++mp->stat.st_page_create;
-		++mfp->stat.st_page_create;
-	} else {
-		/*
-		 * It's possible for the read function to fail, which means
-		 * that we fail as well.  Note, the __memp_pgread() function
-		 * discards the region lock, so the buffer must be pinned
-		 * down so that it cannot move and its contents are unchanged.
-		 */
-reread:		if ((ret = __memp_pgread(dbmfp,
-		    bhp, LF_ISSET(DB_MPOOL_CREATE))) != 0) {
-			/*
-			 * !!!
-			 * Discard the buffer unless another thread is waiting
-			 * on our I/O to complete.  Regardless, the header has
-			 * the BH_TRASH flag set.
-			 */
-			if (bhp->ref == 1)
-				__memp_bhfree(dbmp, mfp, bhp, 1);
-			goto err;
-		}
-
-		++mp->stat.st_cache_miss;
-		++mfp->stat.st_cache_miss;
-	}
-
-	/*
-	 * If we're returning a page after our current notion of the last-page,
-	 * update our information.  Note, there's no way to un-instantiate this
-	 * page, it's going to exist whether it's returned to us dirty or not.
-	 */
-	if (bhp->pgno > mfp->last_pgno)
-		mfp->last_pgno = bhp->pgno;
-
-	++mp->stat.st_page_clean;
-	*(void **)addrp = bhp->buf;
-
-done:	/* Update the chain search statistics. */
-	if (st_hsearch) {
-		++mp->stat.st_hash_searches;
-		if (st_hsearch > mp->stat.st_hash_longest)
-			mp->stat.st_hash_longest = st_hsearch;
-		mp->stat.st_hash_examined += st_hsearch;
-	}
-
-	++dbmfp->pinref;
-
-	UNLOCKREGION(dbmp);
-
-	return (0);
-
-err:	/* Discard our reference. */
-	if (b_incr)
-		--bhp->ref;
-	UNLOCKREGION(dbmp);
-
-	*(void **)addrp = NULL;
-	return (ret);
-}