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| RDMA_GET_RECV_COMP(3) | Librdmacm Programmer's Manual | RDMA_GET_RECV_COMP(3) |
NAME
rdma_get_recv_comp - retrieves a completed receive request.SYNOPSIS
#include <rdma/rdma_verbs.h>int rdma_get_recv_comp (struct rdma_cm_id *id, struct ibv_wc *wc);
ARGUMENTS
- id
- A reference to a communication identifier to check for completions.
- wc
- A reference to a work completion structure to fill in.
DESCRIPTION
Retrieves a completed work request for a receive operation. Information about the completed request is returned through the wc parameter, with the wr_id set to the context of the request. For details on the work completion structure, see ibv_poll_cq.RETURN VALUE
Returns the number of returned completions (0 or 1) on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason.NOTES
This calls polls the receive completion queue associated with an rdma_cm_id. If a completion is not found, the call blocks until a request completes. This call should only be used on rdma_cm_id's that do not share CQs with other rdma_cm_id's, and maintain separate CQs for sends and receive completions.SEE ALSO
rdma_cm(7), ibv_poll_cq(3), rdma_get_send_comp(3), rdma_post_send(3), rdma_post_read(3), rdma_post_write(3)| 2010-07-19 | librdmacm |
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