rdma_leave_multicast - Leaves a multicast group.

       id          Communication identifier associated with the request.

       addr        Multicast address identifying the group to leave.

       Leaves a multicast group and detaches an associated QP from the group.

       rdma_leave_multicast - Leaves a multicast group.

       Calling this function before a group has been fully joined  results  in  canceling  the  join  operation.
       Users  should  be  aware  that  messages  received  from  the  multicast  group may stilled be queued for
       completion processing immediately after  leaving  a  multicast  group.   Destroying  an  rdma_cm_id  will
       automatically leave all multicast groups.

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

rdma_join_multicast(3), rdma_destroy_qp(3)

librdmacm                                          2007-05-15                            RDMA_LEAVE_MULTICAST(3)

#include<rdma/rdma_cma.h>intrdma_leave_multicast(structrdma_cm_id*id,structsockaddr*addr);