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Diffstat (limited to 'db2/db/db_thread.c')
-rw-r--r--db2/db/db_thread.c121
1 files changed, 0 insertions, 121 deletions
diff --git a/db2/db/db_thread.c b/db2/db/db_thread.c
deleted file mode 100644
index 73e2a51286..0000000000
--- a/db2/db/db_thread.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- * Sleepycat Software. All rights reserved.
- */
-
-#include "config.h"
-
-#ifndef lint
-static const char sccsid[] = "@(#)db_thread.c 8.15 (Sleepycat) 4/26/98";
-#endif /* not lint */
-
-#ifndef NO_SYSTEM_INCLUDES
-#include <sys/types.h>
-
-#include <errno.h>
-#include <string.h>
-#endif
-
-#include "db_int.h"
-#include "db_page.h"
-#include "db_am.h"
-
-static int __db_getlockid __P((DB *, DB *));
-
-/*
- * __db_gethandle --
- * Called by db access method routines when the DB_THREAD flag is set.
- * This routine returns a handle, either an existing handle from the
- * chain of handles, or creating one if necessary.
- *
- * PUBLIC: int __db_gethandle __P((DB *, int (*)(DB *, DB *), DB **));
- */
-int
-__db_gethandle(dbp, am_func, dbpp)
- DB *dbp, **dbpp;
- int (*am_func) __P((DB *, DB *));
-{
- DB *ret_dbp;
- int ret, t_ret;
-
- if ((ret = __db_mutex_lock((db_mutex_t *)dbp->mutexp, -1)) != 0)
- return (ret);
-
- if ((ret_dbp = LIST_FIRST(&dbp->handleq)) != NULL)
- /* Simply take one off the list. */
- LIST_REMOVE(ret_dbp, links);
- else {
- /* Allocate a new handle. */
- if ((ret_dbp = (DB *)__db_malloc(sizeof(*dbp))) == NULL) {
- ret = ENOMEM;
- goto err;
- }
- memcpy(ret_dbp, dbp, sizeof(*dbp));
- ret_dbp->internal = NULL;
- TAILQ_INIT(&ret_dbp->curs_queue);
-
- /* Set the locker, the lock structure and the lock DBT. */
- if ((ret = __db_getlockid(dbp, ret_dbp)) != 0)
- goto err;
-
- /* Finally, call the access method specific dup function. */
- if ((ret = am_func(dbp, ret_dbp)) != 0)
- goto err;
- }
-
- *dbpp = ret_dbp;
-
- if (0) {
-err: if (ret_dbp != NULL)
- FREE(ret_dbp, sizeof(*ret_dbp));
- }
- if ((t_ret =
- __db_mutex_unlock((db_mutex_t *)dbp->mutexp, -1)) != 0 && ret == 0)
- ret = t_ret;
- return (ret);
-}
-
-/*
- * __db_puthandle --
- * Return a DB handle to the pool for later use.
- *
- * PUBLIC: int __db_puthandle __P((DB *));
- */
-int
-__db_puthandle(dbp)
- DB *dbp;
-{
- DB *master;
- int ret;
-
- master = dbp->master;
- if ((ret = __db_mutex_lock((db_mutex_t *)master->mutexp, -1)) != 0)
- return (ret);
-
- LIST_INSERT_HEAD(&master->handleq, dbp, links);
-
- return (__db_mutex_unlock((db_mutex_t *)master->mutexp, -1));
-}
-
-/*
- * __db_getlockid --
- * Create a new locker ID and copy the file lock information from
- * the old DB into the new one.
- */
-static int
-__db_getlockid(dbp, new_dbp)
- DB *dbp, *new_dbp;
-{
- int ret;
-
- if (F_ISSET(dbp, DB_AM_LOCKING)) {
- if ((ret = lock_id(dbp->dbenv->lk_info, &new_dbp->locker)) != 0)
- return (ret);
- memcpy(new_dbp->lock.fileid, dbp->lock.fileid, DB_FILE_ID_LEN);
- new_dbp->lock_dbt.size = sizeof(new_dbp->lock);
- new_dbp->lock_dbt.data = &new_dbp->lock;
- }
- return (0);
-}