This patch series addresses the problem of packet capture when
the secondary process is sending/receiving by using the same
mechanism as hot plug.  It also fixes some bugs on shutdown
of dumpcap (and pdump).

The documentation has been updated and improved as well.

v4 - instead of using alloca() instead process in chunks
     which avoids possible stack overflow

Stephen Hemminger (8):
  dumpcap: handle primary process exit
  pdump: handle primary process exit
  pdump: fix races in callbacks
  dumpcap: handle pdump requests from primary
  pdump: handle pdump requests from primary
  pdump: forward callback enable to secondary

  pdump: remove use of VLA

  doc: update documentation on pdump library