Adds a pool of worker threads to accelerate connection testing.
~7.5MB and 2% CPU per thread on a Intel i5-3230M CPU @ 2.60GHz.
Runtime is ~3min in parallel vs ~15min.
CC: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Reviewed-by: Ricardo Martincoski <ricardo.martincoski@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
3b657e264c