Exemplo n.º 1
0
void
bdb_locker_id_free( void *key, void *data )
{
	DB_ENV *env = key;
	int lockid = (int) data;

	XLOCK_ID_FREE( env, lockid );
}
Exemplo n.º 2
0
int
bdb_locker_id( Operation *op, DB_ENV *env, int *locker )
{
	int i, rc, lockid;
	void *data;
	void *ctx;

	if ( !env || !locker ) return -1;

	/* If no op was provided, try to find the ctx anyway... */
	if ( op ) {
		ctx = op->o_threadctx;
	} else {
		ctx = ldap_pvt_thread_pool_context( &connection_pool );
	}

	/* Shouldn't happen unless we're single-threaded */
	if ( !ctx ) {
		*locker = 0;
		return 0;
	}

	if ( ldap_pvt_thread_pool_getkey( ctx, env, &data, NULL ) ) {
		for ( i=0, rc=1; rc != 0 && i<4; i++ ) {
			rc = XLOCK_ID( env, &lockid );
			if (rc) ldap_pvt_thread_yield();
		}
		if ( rc != 0) {
			return rc;
		}
		data = (void *)lockid;
		if ( ( rc = ldap_pvt_thread_pool_setkey( ctx, env,
			data, bdb_locker_id_free ) ) ) {
			XLOCK_ID_FREE( env, lockid );
#ifdef NEW_LOGGING
			LDAP_LOG( BACK_BDB, ERR, "bdb_locker_id: err %s(%d)\n",
				db_strerror(rc), rc, 0 );
#else
			Debug( LDAP_DEBUG_ANY, "bdb_locker_id: err %s(%d)\n",
				db_strerror(rc), rc, 0 );
#endif

			return rc;
		}
	} else {
		lockid = (int)data;
	}
	*locker = lockid;
	return 0;
}
Exemplo n.º 3
0
static int
bdb_db_close( BackendDB *be, ConfigReply *cr )
{
	int rc;
	struct bdb_info *bdb = (struct bdb_info *) be->be_private;
	struct bdb_db_info *db;
	bdb_idl_cache_entry_t *entry, *next_entry;

	/* monitor handling */
	(void)bdb_monitor_db_close( be );

	{
		Entry *e = bdb->bi_cache.c_dntree.bei_e;
		if ( e ) {
			bdb->bi_cache.c_dntree.bei_e = NULL;
			e->e_private = NULL;
			bdb_entry_return( e );
		}
	}

	bdb->bi_flags &= ~BDB_IS_OPEN;

	ber_bvarray_free( bdb->bi_db_config );
	bdb->bi_db_config = NULL;

	while( bdb->bi_databases && bdb->bi_ndatabases-- ) {
		db = bdb->bi_databases[bdb->bi_ndatabases];
		rc = db->bdi_db->close( db->bdi_db, 0 );
		/* Lower numbered names are not strdup'd */
		if( bdb->bi_ndatabases >= BDB_NDB )
			free( db->bdi_name.bv_val );
		free( db );
	}
	free( bdb->bi_databases );
	bdb->bi_databases = NULL;

	bdb_cache_release_all (&bdb->bi_cache);

	if ( bdb->bi_idl_cache_size ) {
		avl_free( bdb->bi_idl_tree, NULL );
		bdb->bi_idl_tree = NULL;
		entry = bdb->bi_idl_lru_head;
		do {
			next_entry = entry->idl_lru_next;
			if ( entry->idl )
				free( entry->idl );
			free( entry->kstr.bv_val );
			free( entry );
			entry = next_entry;
		} while ( entry != bdb->bi_idl_lru_head );
		bdb->bi_idl_lru_head = bdb->bi_idl_lru_tail = NULL;
	}

	/* close db environment */
	if( bdb->bi_dbenv ) {
		/* Free cache locker if we enabled locking */
		if ( !( slapMode & SLAP_TOOL_QUICK ) && bdb->bi_cache.c_locker ) {
#if DB_VERSION_FULL >= 0x04060012
			XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker->id);
#else
			XLOCK_ID_FREE(bdb->bi_dbenv, bdb->bi_cache.c_locker);
#endif
			bdb->bi_cache.c_locker = 0;
		}
#ifdef BDB_REUSE_LOCKERS
		bdb_locker_flush( bdb->bi_dbenv );
#endif
		/* force a checkpoint, but not if we were ReadOnly,
		 * and not in Quick mode since there are no transactions there.
		 */
		if ( !( slapMode & ( SLAP_TOOL_QUICK|SLAP_TOOL_READONLY ))) {
			rc = TXN_CHECKPOINT( bdb->bi_dbenv, 0, 0, DB_FORCE );
			if( rc != 0 ) {
				Debug( LDAP_DEBUG_ANY,
					"bdb_db_close: database \"%s\": "
					"txn_checkpoint failed: %s (%d).\n",
					be->be_suffix[0].bv_val, db_strerror(rc), rc );
			}
		}

		rc = bdb->bi_dbenv->close( bdb->bi_dbenv, 0 );
		bdb->bi_dbenv = NULL;
		if( rc != 0 ) {
			Debug( LDAP_DEBUG_ANY,
				"bdb_db_close: database \"%s\": "
				"close failed: %s (%d)\n",
				be->be_suffix[0].bv_val, db_strerror(rc), rc );
			return rc;
		}
	}

	rc = alock_close( &bdb->bi_alock_info, slapMode & SLAP_TOOL_QUICK );
	if( rc != 0 ) {
		Debug( LDAP_DEBUG_ANY,
			"bdb_db_close: database \"%s\": alock_close failed\n",
			be->be_suffix[0].bv_val, 0, 0 );
		return -1;
	}

	return 0;
}