Check if a process exists in go way

Question

If I have the PID of a process, is os.FindProcess enough to test for the existing of the process? I mean if it returns err can I assume that it\'s terminated (o

Answer 1

On unix like systems (linux, freebsd, etc) os.FindProcess will never return an error. I don't know what happens on Windows. This means you won't know if the PID is correct until you try to use the *os.Process for something.

You can look at the code here.