tree e45444b2266f5d9addd5fbc92a092520ee405ade
parent 2e37701efdba7bb89f7159eff055bb71dbb9f02f
author Dr. David Alan Gilbert <dgilbert@redhat.com> 1446747047 +0000
committer Juan Quintela <quintela@redhat.com> 1447164026 +0100

Return path: Send responses from destination to source

Add migrate_send_rp_message to send a message from destination to source along the return path.
  (It uses a mutex to let it be called from multiple threads)
Add migrate_send_rp_shut to send a 'shut' message to indicate
  the destination is finished with the RP.
Add migrate_send_rp_ack to send a 'PONG' message in response to a PING
  Use it in the MSG_RP_PING handler

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>