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Diffstat (limited to 'db2/db/db.c')
-rw-r--r--db2/db/db.c73
1 files changed, 42 insertions, 31 deletions
diff --git a/db2/db/db.c b/db2/db/db.c
index 8dad5febe8..9ebe73cf6e 100644
--- a/db2/db/db.c
+++ b/db2/db/db.c
@@ -44,7 +44,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)db.c 10.38 (Sleepycat) 9/2/97";
+static const char sccsid[] = "@(#)db.c 10.41 (Sleepycat) 9/23/97";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -137,7 +137,13 @@ db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
}
dbp->dbenv = dbenv;
- /* Convert the dbinfo flags. */
+ /* Convert the db_open(3) flags. */
+ if (LF_ISSET(DB_RDONLY))
+ F_SET(dbp, DB_AM_RDONLY);
+ if (LF_ISSET(DB_THREAD))
+ F_SET(dbp, DB_AM_THREAD);
+
+ /* Convert the dbinfo structure flags. */
if (dbinfo != NULL) {
/*
* !!!
@@ -160,23 +166,6 @@ db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
F_SET(dbp, DB_RE_SNAPSHOT);
}
- /* Set based on the open(2) flags. */
- if (LF_ISSET(DB_RDONLY))
- F_SET(dbp, DB_AM_RDONLY);
-
- /* Check threading fields. */
- if (LF_ISSET(DB_THREAD)) {
- if ((dbp->mutex =
- (db_mutex_t *)malloc(sizeof(db_mutex_t))) == NULL) {
- __db_err(dbenv, "%s", strerror(ENOMEM));
- ret = ENOMEM;
- goto err;
- }
- __db_mutex_init(dbp->mutex, 0);
-
- F_SET(dbp, DB_AM_THREAD);
- }
-
/*
* Always set the master and initialize the queues, so we can
* use these fields without checking the thread bit.
@@ -190,7 +179,7 @@ db_open(fname, type, flags, mode, dbenv, dbinfo, dbpp)
* Set based on the dbenv fields, although no logging or transactions
* are possible for temporary files.
*/
- if (dbp->dbenv != NULL) {
+ if (dbenv != NULL) {
if (dbenv->lk_info != NULL)
F_SET(dbp, DB_AM_LOCKING);
if (fname != NULL && dbenv->lg_info != NULL)
@@ -274,8 +263,8 @@ open_retry: if (LF_ISSET(DB_CREATE)) {
* sizes, we limit the default pagesize to 16K.
*/
if (dbp->pgsize == 0) {
- if ((ret = __db_stat(dbp->dbenv,
- real_name, fd, NULL, &io)) != 0)
+ if ((ret =
+ __db_stat(dbenv, real_name, fd, NULL, &io)) != 0)
goto err;
if (io < 512)
io = 512;
@@ -573,6 +562,15 @@ empty: /*
0, &pgcookie, dbp->lock.fileid, &dbp->mpf)) != 0)
goto err;
+ /*
+ * XXX
+ * Truly spectacular layering violation. We need a per-thread mutex
+ * that lives in shared memory (thanks, HP-UX!) and so we acquire a
+ * pointer to the mpool one.
+ */
+ if (F_ISSET(dbp, DB_AM_THREAD))
+ dbp->mutexp = dbp->mpf->mutexp;
+
/* Get a log file id. */
if (F_ISSET(dbp, DB_AM_LOGGING) &&
(ret = log_register(dbenv->lg_info,
@@ -672,7 +670,9 @@ db_close(dbp, flags)
DB *tdbp;
int ret, t_ret;
- ret = 0;
+ /* Validate arguments. */
+ if ((ret = __db_fchk(dbp->dbenv, "db_close", flags, DB_NOSYNC)) != 0)
+ return (ret);
/* Sync the underlying file. */
if (!LF_ISSET(DB_NOSYNC) &&
@@ -685,10 +685,26 @@ db_close(dbp, flags)
*/
for (tdbp = LIST_FIRST(&dbp->handleq);
tdbp != NULL; tdbp = LIST_NEXT(tdbp, links)) {
-
while ((dbc = TAILQ_FIRST(&tdbp->curs_queue)) != NULL)
- if ((t_ret = dbc->c_close(dbc)) != 0 && ret == 0)
- ret = t_ret;
+ switch (tdbp->type) {
+ case DB_BTREE:
+ if ((t_ret =
+ __bam_c_iclose(tdbp, dbc)) != 0 && ret == 0)
+ ret = t_ret;
+ break;
+ case DB_HASH:
+ if ((t_ret =
+ __ham_c_iclose(tdbp, dbc)) != 0 && ret == 0)
+ ret = t_ret;
+ break;
+ case DB_RECNO:
+ if ((t_ret =
+ __ram_c_iclose(tdbp, dbc)) != 0 && ret == 0)
+ ret = t_ret;
+ break;
+ default:
+ abort();
+ }
switch (tdbp->type) {
case DB_BTREE:
@@ -706,7 +722,6 @@ db_close(dbp, flags)
default:
abort();
}
-
}
/* Sync the memory pool. */
@@ -722,10 +737,6 @@ db_close(dbp, flags)
(t_ret = memp_close(dbp->mp)) != 0 && ret == 0)
ret = t_ret;
- /* Discard the mutex. */
- if (dbp->mutex != NULL)
- FREE(dbp->mutex, sizeof(db_mutex_t));
-
/* Discard the log file id. */
if (F_ISSET(dbp, DB_AM_LOGGING))
(void)log_unregister(dbp->dbenv->lg_info, dbp->log_fileid);