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author | Zhang Qiang <qiang.z.zhang@intel.com> | 2012-05-29 11:25:24 +0800 |
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committer | Zhang Qiang <qiang.z.zhang@intel.com> | 2012-05-29 11:25:24 +0800 |
commit | e776056ea09ba0b6d9505ced6913c9190a12d632 (patch) | |
tree | 092838f2a86042abc586aa5576e36ae6cb47e256 /btree/bt_reclaim.c | |
parent | 2e082c838d2ca750f5daac6dcdabecc22dfd4e46 (diff) | |
download | db4-e776056ea09ba0b6d9505ced6913c9190a12d632.tar.gz db4-e776056ea09ba0b6d9505ced6913c9190a12d632.tar.bz2 db4-e776056ea09ba0b6d9505ced6913c9190a12d632.zip |
updated with Tizen:Base source codes
Diffstat (limited to 'btree/bt_reclaim.c')
-rw-r--r-- | btree/bt_reclaim.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/btree/bt_reclaim.c b/btree/bt_reclaim.c deleted file mode 100644 index 835bf9f..0000000 --- a/btree/bt_reclaim.c +++ /dev/null @@ -1,97 +0,0 @@ -/*- - * See the file LICENSE for redistribution information. - * - * Copyright (c) 1998-2009 Oracle. All rights reserved. - * - * $Id$ - */ - -#include "db_config.h" - -#include "db_int.h" -#include "dbinc/db_page.h" -#include "dbinc/btree.h" -#include "dbinc/lock.h" - -/* - * __bam_reclaim -- - * Free a database. - * - * PUBLIC: int __bam_reclaim __P((DB *, DB_THREAD_INFO *, DB_TXN *)); - */ -int -__bam_reclaim(dbp, ip, txn) - DB *dbp; - DB_THREAD_INFO *ip; - DB_TXN *txn; -{ - DBC *dbc; - DB_LOCK meta_lock; - int ret, t_ret; - - /* Acquire a cursor. */ - if ((ret = __db_cursor(dbp, ip, txn, &dbc, 0)) != 0) - return (ret); - - /* Write lock the metapage for deallocations. */ - if ((ret = __db_lget(dbc, - 0, PGNO_BASE_MD, DB_LOCK_WRITE, 0, &meta_lock)) != 0) - goto err; - - /* Avoid locking every page, we have the handle locked exclusive. */ - F_SET(dbc, DBC_DONTLOCK); - - /* Walk the tree, freeing pages. */ - ret = __bam_traverse(dbc, - DB_LOCK_WRITE, dbc->internal->root, __db_reclaim_callback, NULL); - - if ((t_ret = __TLPUT(dbc, meta_lock)) != 0 && ret == 0) - ret = t_ret; - - /* Discard the cursor. */ -err: if ((t_ret = __dbc_close(dbc)) != 0 && ret == 0) - ret = t_ret; - - return (ret); -} - -/* - * __bam_truncate -- - * Truncate a database. - * - * PUBLIC: int __bam_truncate __P((DBC *, u_int32_t *)); - */ -int -__bam_truncate(dbc, countp) - DBC *dbc; - u_int32_t *countp; -{ - u_int32_t count; - int ret; - -#ifdef HAVE_COMPRESSION - u_int32_t comp_count; - - comp_count = 0; - if (DB_IS_COMPRESSED(dbc->dbp) && - (ret = __bam_compress_count(dbc, NULL, &comp_count)) != 0) - return (ret); -#endif - - count = 0; - - /* Walk the tree, freeing pages. */ - ret = __bam_traverse(dbc, - DB_LOCK_WRITE, dbc->internal->root, __db_truncate_callback, &count); - -#ifdef HAVE_COMPRESSION - if (DB_IS_COMPRESSED(dbc->dbp)) { - if (countp != NULL) - *countp = comp_count; - } else -#endif - if (countp != NULL) - *countp = count; - - return (ret); -} |