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NAME | SYNOPSIS | ARGUMENTS | DESCRIPTION | RETURN VALUE | NOTES | SEE ALSO | COLOPHON |
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RDMA_CR..._CHANNEL(3) Librdmacm Programmer's ManualRDMA_CR..._CHANNEL(3)
rdma_create_event_channel - Open a channel used to report
communication 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 2024-06-14. (At
that time, the date of the most recent commit that was found in
the repository was 2024-06-10.) 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_CR..._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)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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