-*- nroff -*-
IBV_REQ_NOTIFY_CQ 3 2006-10-31 libibverbs "Libibverbs Programmer's Manual"
"NAME"
ibv_req_notify_cq - request completion notification on a completion queue (CQ)
"SYNOPSIS"
#include <infiniband/verbs.h> "int ibv_req_notify_cq(struct ibv_cq " "*cq" ", int " "solicited_only" ");"DESCRIPTION"ibv_req_notify_cq() requests a completion notification on the completion queue (CQ) cq.Upon the addition of a new CQ entry (CQE) to cq, a completion event will be added to the completion channel associated with the CQ. If the argument solicited_only is zero, a completion event is generated for any new CQE. If solicited_only is non-zero, an event is only generated for a new CQE with that is considered "solicited." A CQE is solicited if it is a receive completion for a message with the Solicited Event header bit set, or if the status is not successful. All other successful receive completions, or any successful send completion is unsolicited.
"RETURN VALUE"ibv_req_notify_cq() returns 0 on success, or the value of errno on failure (which indicates the failure reason)."NOTES"The request for notification is "one shot." Only one completion event will be generated for each call to ibv_req_notify_cq()."SEE ALSO"ibv_create_comp_channel (3), ibv_create_cq (3), ibv_get_cq_event (3)"AUTHORS"Dotan Barak <dotanb@mellanox.co.il>