Can I ping the process forked?

[dexter]

I spawned or forked some processes



the proceses doing net-accept job, which means it is blocked by net-accept



if a connection joined in, then do a job like a large file uploading, takes a long time such as 1 hour?



in this 1 hour, Can I ping the process to make sure it is alive?



just want to know ,how can i Make sure the process is alive??