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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURN VALUE | NOTES | SEE ALSO | COLOPHON |
RDMA_CREATE_EVENT_CHANNEL(3)dmacm Programmer's ManualCREATE_EVENT_CHANNEL(3)
rdma_create_event_channel - Open a channel used to report communica‐
tion events.
#include <rdma/rdma_cma.h>
struct rdma_event_channel * rdma_create_event_channel (void);
void no arguments
Asynchronous events are reported to users through event channels.
Returns a pointer to the created event channel, or NULL if the
request fails. On failure, errno will be set to indicate the failure
reason.
Event channels are used to direct all events on an rdma_cm_id. For
many clients, a single event channel may be sufficient, however, when
managing a large number of connections or cm_id's, users may find it
useful to direct events for different cm_id's to different channels
for processing.
All created event channels must be destroyed by calling
rdma_destroy_event_channel. Users should call rdma_get_cm_event to
retrieve events on an event channel.
Each event channel is mapped to a file descriptor. The associated
file descriptor can be used and manipulated like any other fd to
change its behavior. Users may make the fd non-blocking, poll or
select the fd, etc.
rdma_cm(7), rdma_get_cm_event(3), rdma_destroy_event_channel(3)
This page is part of the rdma-core (RDMA Core Userspace Libraries and
Daemons) project. Information about the project can be found at
⟨https://github.com/linux-rdma/rdma-core⟩. If you have a bug report
for this manual page, send it to linux-rdma@vger.kernel.org. This
page was obtained from the project's upstream Git repository
⟨https://github.com/linux-rdma/rdma-core.git⟩ on 2020-08-13. (At
that time, the date of the most recent commit that was found in the
repository was 2020-08-05.) If you discover any rendering problems
in this HTML version of the page, or you believe there is a better or
more up-to-date source for the page, or you have corrections or
improvements to the information in this COLOPHON (which is not part
of the original manual page), send a mail to man-pages@man7.org
librdmacm 2007-05-15 RDMA_CREATE_EVENT_CHANNEL(3)
Pages that refer to this page: rdma_create_ep(3) , rdma_create_id(3) , rdma_destroy_event_channel(3) , rdma_get_cm_event(3) , rdma_migrate_id(3) , rdma_cm(7)