To test migration through the file descriptor we should build and provide
a path to socket_scm_helper file. This way is inconvenient for acceptance
testing.
This series provides new functions to receive and send messages over a UNIX
socket. And adds a new migration test that depends on it

v2:
 -  Fix warning of line over 80 characters

v3:
 - Improve commit messages

Oksana Vohchana (3):
  python/qemu/machine: Adding functions _send_fds and _recv_fds
  python/qemu/machine: Updates send_fd_scm function
  Acceptance test: add FD migration

 python/qemu/machine.py        | 88 +++++++++++++++++++++++++----------
 tests/acceptance/migration.py | 21 +++++++++
 2 files changed, 85 insertions(+), 24 deletions(-)

-- 
2.21.1