add DB_ flags to __rec_open

if DB_LOCK not set, pin page across calls and don't copy key/data pair

SCCS-vsn: lib/libc/db/recno/rec_open.c 8.3

diff --git a/usr/src/lib/libc/db/recno/rec_open.c b/usr/src/lib/libc/db/recno/rec_open.c
index 000ea29..f65d7d5 100644 (file)
--- a/usr/src/lib/libc/db/recno/rec_open.c
+++ b/usr/src/lib/libc/db/recno/rec_open.c
@@ -9,7 +9,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)

-static char sccsid[] = "@(#)rec_open.c 8.2 (Berkeley) %G%";
+static char sccsid[] = "@(#)rec_open.c 8.3 (Berkeley) %G%";

 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>


@@ -27,9 +27,9 @@ static char sccsid[] = "@(#)rec_open.c        8.2 (Berkeley) %G%";
 #include "recno.h"
 
 DB *
 #include "recno.h"
 
 DB *

-__rec_open(fname, flags, mode, openinfo)
+__rec_open(fname, flags, mode, openinfo, dflags)

        const char *fname;
        const char *fname;

-       int flags, mode;
+       int flags, mode, dflags;

        const RECNOINFO *openinfo;
 {
        BTREE *t;
        const RECNOINFO *openinfo;
 {
        BTREE *t;


@@ -57,9 +57,9 @@ __rec_open(fname, flags, mode, openinfo)
                btopeninfo.prefix = NULL;
                btopeninfo.lorder = openinfo->lorder;
                dbp = __bt_open(openinfo->bfname,
                btopeninfo.prefix = NULL;
                btopeninfo.lorder = openinfo->lorder;
                dbp = __bt_open(openinfo->bfname,

-                   O_RDWR, S_IRUSR | S_IWUSR, &btopeninfo);
+                   O_RDWR, S_IRUSR | S_IWUSR, &btopeninfo, dflags);

        } else
        } else

-               dbp = __bt_open(NULL, O_RDWR, S_IRUSR | S_IWUSR, NULL);
+               dbp = __bt_open(NULL, O_RDWR, S_IRUSR | S_IWUSR, NULL, dflags);

        if (dbp == NULL)
                goto err;
 
        if (dbp == NULL)
                goto err;
 


@@ -187,6 +187,13 @@ __rec_fd(dbp)
 
        t = dbp->internal;
 
 
        t = dbp->internal;
 

+       /* Toss any page pinned across calls. */
+       if (t->bt_pinned != NULL) {
+               mpool_put(t->bt_mp, t->bt_pinned, 0);
+               t->bt_pinned = NULL;
+       }
+
+       /* In-memory database can't have a file descriptor. */

        if (ISSET(t, R_INMEM)) {
                errno = ENOENT;
                return (-1);
        if (ISSET(t, R_INMEM)) {
                errno = ENOENT;
                return (-1);