nat n_nurseries = 0; /* == RtsFlags.ParFlags.nNodes, convenience */
step *nurseries = NULL; /* array of nurseries, >1 only if THREADED_RTS */
nat n_nurseries = 0; /* == RtsFlags.ParFlags.nNodes, convenience */
step *nurseries = NULL; /* array of nurseries, >1 only if THREADED_RTS */