Eshell V5.6.2  (abort with ^G)
1> c(sleeperl).
{ok,sleeperl}
2> sleeperl:testb().
Receiver spawned at {1219,775147,552727}
Spawn start at {1219,775147,552864}
Spawn done at {1219,775147,553079}
ok
3>
receiver got '{done,<0.38.0>}' at {1219,775150,571689}
receiver got '{done,<0.40.0>}' at {1219,775150,573514}
receiver got '{done,<0.39.0>}' at {1219,775150,574316}
receiver got '{done,<0.41.0>}' at {1219,775150,583109}
receiver got '{done,<0.42.0>}' at {1219,775150,584700}
3>