Is there a way without using /proc or "ps" to know the uid of the parent process (or any other process) ?
I mean like getppid() but I need the UID.
Please don't answer with shell tricks or other language ways.
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It's not clear why you couldn't just combine `getppid` with e.g. the approach suggested here: https://stackoverflow.com/questions/18079449/is-there-a-system-call-for-obtaining-the-uid-gid-of-a-running-process. – Oliver Charlesworth Mar 24 '18 at 12:28
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If you specify the operating system narrowly enough, there is probably a way. What is your operating system? – Arndt Jonasson Mar 24 '18 at 18:25