diff options
author | Roland McGrath <roland@gnu.org> | 1996-01-02 08:57:42 +0000 |
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committer | Roland McGrath <roland@gnu.org> | 1996-01-02 08:57:42 +0000 |
commit | 71733723fb421bd54467d1a27096463ed1dcc2ed (patch) | |
tree | f304556d491722c797d876911834dc4afbfa2740 /db/db | |
parent | fc4026d8e43407ba2739e493878d1ce259500059 (diff) |
* hurd/hurd/signal.h (struct hurd_sigstate): New member `preempters'.cvs/libc-960102
(hurd_preempt_signals, hurd_unpreempt_signals): Decls removed.
* hurd/hurd/sigpreempt.h: New file.
* hurd/preempt-sig.c: Rewritten with new interface.
* sysdeps/mach/hurd/jmp-unwind.c (_longjmp_unwind): Remove local signal
preempters being unwound past.
* db: New directory, 4.4 BSD db package incorporated from BSD db-1.85
release.
* sysdeps/unix/sysv/linux/sys/param.h: Several new macros for BSD
compatibility.
Diffstat (limited to 'db/db')
-rw-r--r-- | db/db/db.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/db/db/db.c b/db/db/db.c new file mode 100644 index 0000000000..a18f056db8 --- /dev/null +++ b/db/db/db.c @@ -0,0 +1,99 @@ +/*- + * 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)db.c 8.4 (Berkeley) 2/21/94"; +#endif /* LIBC_SCCS and not lint */ + +#include <sys/types.h> + +#include <errno.h> +#include <fcntl.h> +#include <stddef.h> +#include <stdio.h> + +#include <db.h> + +DB * +dbopen(fname, flags, mode, type, openinfo) + const char *fname; + int flags, mode; + DBTYPE type; + const void *openinfo; +{ + +#define DB_FLAGS (DB_LOCK | DB_SHMEM | DB_TXN) +#define USE_OPEN_FLAGS \ + (O_CREAT | O_EXCL | O_EXLOCK | O_NONBLOCK | O_RDONLY | \ + O_RDWR | O_SHLOCK | O_TRUNC) + + if ((flags & ~(USE_OPEN_FLAGS | DB_FLAGS)) == 0) + switch (type) { + case DB_BTREE: + return (__bt_open(fname, flags & USE_OPEN_FLAGS, + mode, openinfo, flags & DB_FLAGS)); + case DB_HASH: + return (__hash_open(fname, flags & USE_OPEN_FLAGS, + mode, openinfo, flags & DB_FLAGS)); + case DB_RECNO: + return (__rec_open(fname, flags & USE_OPEN_FLAGS, + mode, openinfo, flags & DB_FLAGS)); + } + errno = EINVAL; + return (NULL); +} + +static int +__dberr() +{ + return (RET_ERROR); +} + +/* + * __DBPANIC -- Stop. + * + * Parameters: + * dbp: pointer to the DB structure. + */ +void +__dbpanic(dbp) + DB *dbp; +{ + /* The only thing that can succeed is a close. */ + dbp->del = (int (*)())__dberr; + dbp->fd = (int (*)())__dberr; + dbp->get = (int (*)())__dberr; + dbp->put = (int (*)())__dberr; + dbp->seq = (int (*)())__dberr; + dbp->sync = (int (*)())__dberr; +} |