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- use ctxcsn_locker for the ctxcsn add transaction

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- removal of LOCK_ID_FREE
- misc mem mgmt cleanup
This commit is contained in:
Jong Hyuk Choi 2004-06-28 05:47:36 +00:00
parent 44485522e0
commit 08949463c5
1 changed files with 34 additions and 27 deletions
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61
servers/slapd/back-bdb/ctxcsn.c
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@ -259,6 +259,7 @@ bdb_get_commit_csn(
int rc;
struct sync_cookie syncCookie = { NULL, -1, NULL};
syncinfo_t *si;
u_int32_t ctxcsn_locker = 0;
if ( op->o_sync_mode != SLAP_SYNC_NONE &&
!LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
@ -282,21 +283,16 @@ consumer_ctxcsn_retry :
}
break;
case LDAP_BUSY:
ch_free( ctxcsn_ndn.bv_val );
LOCK_ID_FREE (bdb->bi_dbenv, locker );
return LDAP_BUSY;
goto done;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto consumer_ctxcsn_retry;
case DB_NOTFOUND:
ch_free( ctxcsn_ndn.bv_val );
LOCK_ID_FREE( bdb->bi_dbenv, locker );
return LDAP_OTHER;
rs->sr_err = LDAP_OTHER;
goto done;
default:
ch_free( ctxcsn_ndn.bv_val );
ctxcsn_ndn.bv_val = NULL;
LOCK_ID_FREE (bdb->bi_dbenv, locker );
return LDAP_OTHER;
rs->sr_err = LDAP_OTHER;
goto done;
}
if ( ctxcsn_e ) {
@ -345,15 +341,12 @@ provider_ctxcsn_retry :
0, locker, ctxcsn_lock );
switch(rs->sr_err) {
case 0:
ch_free( ctxcsn_ndn.bv_val );
if ( ctxcsn_ei ) {
ctxcsn_e = ctxcsn_ei->bei_e;
}
break;
case LDAP_BUSY:
ch_free( ctxcsn_ndn.bv_val );
LOCK_ID_FREE (bdb->bi_dbenv, locker );
return LDAP_BUSY;
goto done;
case DB_LOCK_DEADLOCK:
case DB_LOCK_NOTGRANTED:
goto provider_ctxcsn_retry;
@ -366,9 +359,10 @@ provider_ctxcsn_retry :
if ( 0 ) {
txn_retry:
rs->sr_err = TXN_ABORT( ltid );
ltid = NULL;
if ( rs->sr_err != 0 ) {
rs->sr_err = LDAP_OTHER;
return rs->sr_err;
goto done;
}
ldap_pvt_thread_yield();
bdb_trans_backoff( ++num_retries );
@ -377,15 +371,17 @@ txn_retry:
&ltid, bdb->bi_db_opflags );
if ( rs->sr_err != 0 ) {
rs->sr_err = LDAP_OTHER;
return rs->sr_err;
goto done;
}
ctxcsn_locker = TXN_ID ( ltid );
rs->sr_err = bdb_csn_commit( op, rs, ltid, NULL, &suffix_ei,
&ctxcsn_e, &ctxcsn_added, locker );
&ctxcsn_e, &ctxcsn_added, ctxcsn_locker );
switch( rs->sr_err ) {
case BDB_CSN_ABORT:
LOCK_ID_FREE( bdb->bi_dbenv, locker );
return LDAP_OTHER;
rs->sr_err = LDAP_OTHER;
goto done;
case BDB_CSN_RETRY:
goto txn_retry;
}
@ -393,21 +389,22 @@ txn_retry:
rs->sr_err = TXN_PREPARE( ltid, gid );
if ( rs->sr_err != 0 ) {
rs->sr_err = LDAP_OTHER;
return rs->sr_err;
goto done;
}
bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
(struct berval *)&slap_ldapsync_cn_bv, locker );
(struct berval *)&slap_ldapsync_cn_bv, ctxcsn_locker );
rs->sr_err = TXN_COMMIT( ltid, 0 );
if ( rs->sr_err != 0 ) {
rs->sr_err = LDAP_OTHER;
return rs->sr_err;
goto done;
}
rs->sr_err = bdb_dn2entry( op, NULL, &ctxcsn_ndn, &ctxcsn_ei,
0, locker, ctxcsn_lock );
0, ctxcsn_locker, ctxcsn_lock );
ch_free( ctxcsn_ndn.bv_val );
ctxcsn_ndn.bv_val = NULL;
if ( ctxcsn_ei ) {
ctxcsn_e = ctxcsn_ei->bei_e;
@ -415,9 +412,8 @@ txn_retry:
break;
default:
ch_free( ctxcsn_ndn.bv_val );
LOCK_ID_FREE (bdb->bi_dbenv, locker );
return LDAP_OTHER;
rs->sr_err = LDAP_OTHER;
goto done;
}
if ( ctxcsn_e ) {
@ -433,5 +429,16 @@ txn_retry:
}
}
return LDAP_SUCCESS;
ltid = NULL;
rs->sr_err = LDAP_SUCCESS;
done:
if( ltid != NULL ) {
TXN_ABORT( ltid );
}
if ( ctxcsn_ndn.bv_val != NULL )
ch_free( ctxcsn_ndn.bv_val );
return rs->sr_err;
}