[1] waitpid(2) code now understands that ECHILD is probably not an error. [2] Unit test passes.
[1] waitpid(2) code now understands that ECHILD is probably not an error.
[2] Unit test passes.

coverclock/com-diag-diminuto,coverclock/com-diag-diminuto,coverclock/com-diag-diminuto,coverclock/com-diag-diminuto