prctl

Get or set the resource controls of running processes, tasks, and projects. More information: https://www.unix.com/man-page/sunos/1/prctl.

Examine process limits and permissions:

prctl {{pid}}

Examine process limits and permissions in machine parsable format:

prctl -P {{pid}}

Get specific limit for a running process:

prctl -n process.max-file-descriptor {{pid}}