diff options
| author | svn2git <svn2git@FreeBSD.org> | 1994-05-01 08:00:00 +0000 |
|---|---|---|
| committer | svn2git <svn2git@FreeBSD.org> | 1994-05-01 08:00:00 +0000 |
| commit | a16f65c7d117419bd266c28a1901ef129a337569 (patch) | |
| tree | 2626602f66dc3551e7a7c7bc9ad763c3bc7ab40a /lib/libc/db/btree/bt_get.c | |
| parent | 8503f4f13f77abf7adc8f7e329c6f9c1d52b6a20 (diff) | |
Diffstat (limited to 'lib/libc/db/btree/bt_get.c')
| -rw-r--r-- | lib/libc/db/btree/bt_get.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/lib/libc/db/btree/bt_get.c b/lib/libc/db/btree/bt_get.c index 4f473bc4f110..28b2d603dfe5 100644 --- a/lib/libc/db/btree/bt_get.c +++ b/lib/libc/db/btree/bt_get.c @@ -35,7 +35,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)bt_get.c 8.1 (Berkeley) 6/4/93"; +static char sccsid[] = "@(#)bt_get.c 8.2 (Berkeley) 9/7/93"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -70,11 +70,20 @@ __bt_get(dbp, key, data, flags) EPG *e; int exact, status; + 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; + } + + /* Get currently doesn't take any flags. */ if (flags) { errno = EINVAL; return (RET_ERROR); } - t = dbp->internal; + if ((e = __bt_search(t, key, &exact)) == NULL) return (RET_ERROR); if (!exact) { @@ -99,7 +108,14 @@ __bt_get(dbp, key, data, flags) } status = __bt_ret(t, e, NULL, data); - mpool_put(t->bt_mp, e->page, 0); + /* + * If the user is doing concurrent access, we copied the + * key/data, toss the page. + */ + if (ISSET(t, B_DB_LOCK)) + mpool_put(t->bt_mp, e->page, 0); + else + t->bt_pinned = e->page; return (status); } |