Sponsored by:	Netflix

Sponsored by:	Netflix

The thread name is only used for debugging. On Linux this
breaks is_thread_sleeping(), since it assumes that the
process or threadname contains no space. Just don't set
this on Linux, so avoid any problems.

Sponsored by Netflix

Sponsored by Netflix

This helps in debugging.

The --dry_run command line flag causes packetdrill to verify command
line args, load and parse the given script, but not execute it. If any
errors are found during these steps, packetdrill will print an error
as before.  Otherwise, it will exit(0) and produce no output.

Change-Id: Ibf4502c6ea326539346a58b58d7feb29d4b3da69

Initial commit for the packetdrill network stack testing tool:

  https://code.google.com/p/packetdrill/



Signed-off-by: Neal Cardwell <ncardwell@google.com>