Close an event communication channel.
#include <rdma/rdma_cma.h>
void rdma_destroy_event_channel (struct rdma_event_channel *channel);
The communication channel to destroy.
Release all resources associated with an event channel and closes the associated file descriptor.
Returns 0 on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason.
All rdma_cm_id's associated with the event channel must be destroyed, and all returned events must be acked before calling this function.