RDMA_MIGRATE_ID - Online Linux Manual PageSection : 3
Updated : 2007-11-13
Source : librdmacm
Note : Librdmacm Programmer's Manual
librdmacm

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NAMErdma_migrate_id − Move a communication identifier to a different event channel.

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SYNOPSIS#include <rdma/rdma_cma.h>" int" rdma_migrate_id (struct rdma_cm_id *id, struct rdma_event_channel *channel);

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ARGUMENTSid An existing communication identifier to migrate. channel The communication channel that events associated with the allocated rdma_cm_id will be reported on. May be NULL.

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DESCRIPTIONMigrates a communication identifier to a different event channel.

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RETURN VALUEReturns 0 on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason.

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NOTESThis routine migrates a communication identifier to the specified event channel and moves any pending events associated with the rdma_cm_id to the new channel. Users should not poll for events on the rdma_cm_id's current event channel or invoke other routines on the rdma_cm_id while migrating between channels. This call will block while there are any unacknowledged events on the current event channel. If the channel parameter is NULL, the specified rdma_cm_id will be placed into synchronous operation mode. All calls on the id will block until the operation completes.

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SEE ALSOrdma_cm(7), rdma_create_event_channel(3), rdma_create_id(3), rdma_get_cm_event(3) 0

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