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Fix ITS#5709, use original pending list

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This commit is contained in:
Howard Chu 2008-11-02 07:46:46 +00:00
parent 42c8378604
commit ad8180b3b9
1 changed files with 20 additions and 15 deletions
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35
servers/slapd/ctxcsn.c
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@ -37,53 +37,57 @@ slap_get_commit_csn(
)
{
struct slap_csn_entry *csne, *committed_csne = NULL;
BackendDB *be = op->o_bd->bd_self;
if ( maxcsn ) {
BER_BVZERO( maxcsn );
}
ldap_pvt_thread_mutex_lock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_lock( be->be_pcl_mutexp );
LDAP_TAILQ_FOREACH( csne, op->o_bd->be_pending_csn_list, ce_csn_link ) {
LDAP_TAILQ_FOREACH( csne, be->be_pending_csn_list, ce_csn_link ) {
if ( csne->ce_opid == op->o_opid && csne->ce_connid == op->o_connid ) {
csne->ce_state = SLAP_CSN_COMMIT;
break;
}
}
LDAP_TAILQ_FOREACH( csne, op->o_bd->be_pending_csn_list, ce_csn_link ) {
LDAP_TAILQ_FOREACH( csne, be->be_pending_csn_list, ce_csn_link ) {
if ( csne->ce_state == SLAP_CSN_COMMIT ) committed_csne = csne;
if ( csne->ce_state == SLAP_CSN_PENDING ) break;
}
if ( committed_csne && maxcsn ) *maxcsn = committed_csne->ce_csn;
ldap_pvt_thread_mutex_unlock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_unlock( be->be_pcl_mutexp );
}
void
slap_rewind_commit_csn( Operation *op )
{
struct slap_csn_entry *csne;
BackendDB *be = op->o_bd->bd_self;
ldap_pvt_thread_mutex_lock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_lock( be->be_pcl_mutexp );
LDAP_TAILQ_FOREACH( csne, op->o_bd->be_pending_csn_list, ce_csn_link ) {
LDAP_TAILQ_FOREACH( csne, be->be_pending_csn_list, ce_csn_link ) {
if ( csne->ce_opid == op->o_opid && csne->ce_connid == op->o_connid ) {
csne->ce_state = SLAP_CSN_PENDING;
break;
}
}
ldap_pvt_thread_mutex_unlock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_unlock( be->be_pcl_mutexp );
}
void
slap_graduate_commit_csn( Operation *op )
{
struct slap_csn_entry *csne;
BackendDB *be;
if ( op == NULL ) return;
if ( op->o_bd == NULL ) return;
be = op->o_bd->bd_self;
#if 0
/* it is NULL when we get here from the frontendDB;
@ -91,13 +95,13 @@ slap_graduate_commit_csn( Operation *op )
assert( op->o_bd->be_pcl_mutexp != NULL );
#endif
if ( op->o_bd->be_pcl_mutexp == NULL ) return;
if ( be->be_pcl_mutexp == NULL ) return;
ldap_pvt_thread_mutex_lock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_lock( be->be_pcl_mutexp );
LDAP_TAILQ_FOREACH( csne, op->o_bd->be_pending_csn_list, ce_csn_link ) {
LDAP_TAILQ_FOREACH( csne, be->be_pending_csn_list, ce_csn_link ) {
if ( csne->ce_opid == op->o_opid && csne->ce_connid == op->o_connid ) {
LDAP_TAILQ_REMOVE( op->o_bd->be_pending_csn_list,
LDAP_TAILQ_REMOVE( be->be_pending_csn_list,
csne, ce_csn_link );
Debug( LDAP_DEBUG_SYNC, "slap_graduate_commit_csn: removing %p %s\n",
csne->ce_csn.bv_val, csne->ce_csn.bv_val, 0 );
@ -110,7 +114,7 @@ slap_graduate_commit_csn( Operation *op )
}
}
ldap_pvt_thread_mutex_unlock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_unlock( be->be_pcl_mutexp );
return;
}
@ -161,22 +165,23 @@ slap_queue_csn(
struct berval *csn )
{
struct slap_csn_entry *pending;
BackendDB *be = op->o_bd->bd_self;
pending = (struct slap_csn_entry *) ch_calloc( 1,
sizeof( struct slap_csn_entry ));
Debug( LDAP_DEBUG_SYNC, "slap_queue_csn: queing %p %s\n", csn->bv_val, csn->bv_val, 0 );
ldap_pvt_thread_mutex_lock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_lock( be->be_pcl_mutexp );
ber_dupbv( &pending->ce_csn, csn );
ber_bvreplace_x( &op->o_csn, &pending->ce_csn, op->o_tmpmemctx );
pending->ce_connid = op->o_connid;
pending->ce_opid = op->o_opid;
pending->ce_state = SLAP_CSN_PENDING;
LDAP_TAILQ_INSERT_TAIL( op->o_bd->be_pending_csn_list,
LDAP_TAILQ_INSERT_TAIL( be->be_pending_csn_list,
pending, ce_csn_link );
ldap_pvt_thread_mutex_unlock( op->o_bd->be_pcl_mutexp );
ldap_pvt_thread_mutex_unlock( be->be_pcl_mutexp );
}
int