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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2008-2011 WiredTiger, Inc.
* All rights reserved.
*/
#include "wt_internal.h"
/*
* __wt_btree_open --
* Open a BTREE handle.
*/
int
__wt_btree_open(SESSION *session, const char *name, mode_t mode, uint32_t flags)
{
CONNECTION *conn;
BTREE *btree;
btree = session->btree;
conn = btree->conn;
WT_STAT_INCR(btree->conn->stats, file_open);
WT_RET(__wt_strdup(session, name, &btree->name));
btree->mode = mode;
__wt_lock(session, conn->mtx);
btree->file_id = ++conn->next_file_id;
__wt_unlock(session, conn->mtx);
/*
* XXX
* Initialize the root location to point to the start of the file.
* This is all wrong, and we'll get the information from somewhere
* else, eventually.
*/
WT_CLEAR(btree->root_page);
if (LF_ISSET(WT_RDONLY))
F_SET(btree, WT_RDONLY);
/* Open the underlying Btree. */
WT_RET(__wt_bt_open(session, LF_ISSET(WT_CREATE) ? 1 : 0));
return (0);
}
/*
* __wt_btree_close --
* Db.close method (BTREE close & handle destructor).
*/
int
__wt_btree_close(SESSION *session)
{
BTREE *btree;
int ret;
btree = session->btree;
ret = 0;
WT_ASSERT(session, btree->refcnt > 0);
if (--btree->refcnt > 0)
return (0);
/* Close the underlying Btree. */
ret = __wt_bt_close(session);
WT_TRET(__wt_btree_destroy(btree));
return (ret);
}
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