* Copyright (c) 1990, 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
* 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
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid
[] = "@(#)rec_close.c 8.2 (Berkeley) 9/7/93";
#endif /* LIBC_SCCS and not lint */
* __REC_CLOSE -- Close a recno tree.
* dbp: pointer to access method
/* Toss any page pinned across calls. */
if (t
->bt_pinned
!= NULL
) {
mpool_put(t
->bt_mp
, t
->bt_pinned
, 0);
if (__rec_sync(dbp
, 0) == RET_ERROR
)
/* Committed to closing. */
if (ISSET(t
, R_MEMMAPPED
) && munmap(t
->bt_smap
, t
->bt_msize
))
if (ISSET(t
, R_CLOSEFP
)) {
if (__bt_close(dbp
) == RET_ERROR
)
* __REC_SYNC -- sync the recno tree to disk.
* dbp: pointer to access method
* RET_SUCCESS, RET_ERROR.
/* Toss any page pinned across calls. */
if (t
->bt_pinned
!= NULL
) {
mpool_put(t
->bt_mp
, t
->bt_pinned
, 0);
if (flags
== R_RECNOSYNC
)
return (__bt_sync(dbp
, 0));
if (ISSET(t
, R_RDONLY
| R_INMEM
) || !ISSET(t
, R_MODIFIED
))
/* Read any remaining records into the tree. */
if (!ISSET(t
, R_EOF
) && t
->bt_irec(t
, MAX_REC_NUMBER
) == RET_ERROR
)
/* Rewind the file descriptor. */
if (lseek(t
->bt_rfd
, (off_t
)0, SEEK_SET
) != 0)
key
.size
= sizeof(recno_t
);
status
= (dbp
->seq
)(dbp
, &key
, &data
, R_FIRST
);
while (status
== RET_SUCCESS
) {
iov
[0].iov_base
= data
.data
;
iov
[0].iov_len
= data
.size
;
if (writev(t
->bt_rfd
, iov
, 2) != data
.size
+ 1)
status
= (dbp
->seq
)(dbp
, &key
, &data
, R_NEXT
);
if ((off
= lseek(t
->bt_rfd
, (off_t
)0, SEEK_CUR
)) == -1)
if (ftruncate(t
->bt_rfd
, off
))