Returns current status of all workers in the pool.
Examples
# \donttest{
p <- pool_create(2)
pool_status(p)
#> worker_id pid status rss_bytes rss_baseline rss_drift recycle_count
#> 1 1 8558 ok 71892992 71892992 0 0
#> 2 2 8576 ok 72056832 72056832 0 0
pool_stop(p)
# }