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Manage connection refcnt better

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This commit is contained in:
Ondřej Kuzník 2017-06-23 10:30:38 +01:00 committed by Ondřej Kuzník
parent af7ce80c85
commit 37cff37305
3 changed files with 12 additions and 5 deletions
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7
servers/lloadd/client.c
View File

@ -111,7 +111,10 @@ client_read_cb( evutil_socket_t s, short what, void *arg )
"suspended read event on connid=%lu\n",
c->c_connid );
CONNECTION_UNLOCK(c);
/* We have scheduled a call to handle_requests which takes care of
* handling further requests, just make sure the connection sticks around
* for that */
CONNECTION_UNLOCK_INCREF(c);
return;
}
@ -121,7 +124,7 @@ handle_requests( void *ctx, void *arg )
Connection *c = arg;
int requests_handled = 0;
CONNECTION_LOCK(c);
CONNECTION_LOCK_DECREF(c);
for ( ; requests_handled < slap_conn_max_pdus_per_cycle;
requests_handled++ ) {
BerElement *ber;

8
servers/lloadd/operation.c
View File

@ -237,7 +237,7 @@ operation_destroy_from_client( Operation *op )
ldap_pvt_thread_mutex_unlock( &op->o_mutex );
assert( upstream != NULL );
CONNECTION_UNLOCK(upstream);
UPSTREAM_UNLOCK_OR_DESTROY(upstream);
CONNECTION_LOCK_DECREF(client);
return;
}
@ -381,7 +381,7 @@ operation_destroy_from_upstream( Operation *op )
ldap_pvt_thread_mutex_unlock( &op->o_mutex );
assert( client != NULL );
CONNECTION_UNLOCK(client);
CLIENT_UNLOCK_OR_DESTROY(client);
CONNECTION_LOCK_DECREF(upstream);
return;
}
@ -743,11 +743,13 @@ fail:
if ( upstream ) {
ldap_pvt_thread_mutex_unlock( &upstream->c_io_mutex );
CONNECTION_LOCK_DECREF(upstream);
upstream->c_n_ops_executing--;
UPSTREAM_UNLOCK_OR_DESTROY(upstream);
operation_send_reject( op, LDAP_OTHER, "internal error", 0 );
}
CONNECTION_LOCK_DECREF(client);
op->o_client_refcnt--;
operation_destroy_from_client( op );
return rc;
CLIENT_UNLOCK_OR_DESTROY(client);
return -1;
}

2
servers/lloadd/upstream.c
View File

@ -922,9 +922,11 @@ upstream_destroy( Connection *c )
root = c->c_ops;
c->c_ops = NULL;
executing = c->c_n_ops_executing;
c->c_n_ops_executing = 0;
read_event = c->c_read_event;
write_event = c->c_write_event;
CONNECTION_UNLOCK_INCREF(c);
freed = tavl_free( root, (AVL_FREE)operation_lost_upstream );