diff options
Diffstat (limited to 'src/afb-xreq.c')
| -rw-r--r-- | src/afb-xreq.c | 34 |
1 files changed, 22 insertions, 12 deletions
diff --git a/src/afb-xreq.c b/src/afb-xreq.c index 8cc22c3f..790a384f 100644 --- a/src/afb-xreq.c +++ b/src/afb-xreq.c @@ -202,12 +202,17 @@ static int xreq_legacy_subscribe_event_x1_cb(struct afb_req_x2 *closure, struct int afb_xreq_subscribe(struct afb_xreq *xreq, struct afb_event_x2 *event) { - if (xreq->listener) - return afb_evt_event_x2_add_watch(xreq->listener, event); - if (xreq->queryitf->subscribe) - return xreq->queryitf->subscribe(xreq, event); - ERROR("no event listener, subscription impossible"); - errno = EINVAL; + if (xreq->replied) { + ERROR("request replied, subscription impossible"); + errno = EINVAL; + } else { + if (xreq->listener) + return afb_evt_event_x2_add_watch(xreq->listener, event); + if (xreq->queryitf->subscribe) + return xreq->queryitf->subscribe(xreq, event); + ERROR("no event listener, subscription impossible"); + errno = ENOTSUP; + } return -1; } @@ -224,12 +229,17 @@ static int xreq_legacy_unsubscribe_event_x1_cb(struct afb_req_x2 *closure, struc int afb_xreq_unsubscribe(struct afb_xreq *xreq, struct afb_event_x2 *event) { - if (xreq->listener) - return afb_evt_event_x2_remove_watch(xreq->listener, event); - if (xreq->queryitf->unsubscribe) - return xreq->queryitf->unsubscribe(xreq, event); - ERROR("no event listener, unsubscription impossible"); - errno = EINVAL; + if (xreq->replied) { + ERROR("request replied, unsubscription impossible"); + errno = EINVAL; + } else { + if (xreq->listener) + return afb_evt_event_x2_remove_watch(xreq->listener, event); + if (xreq->queryitf->unsubscribe) + return xreq->queryitf->unsubscribe(xreq, event); + ERROR("no event listener, unsubscription impossible"); + errno = ENOTSUP; + } return -1; } |