non-root process and PID files

[Oliver Eikemeier]

Dan Langille wrote:

> If a process starts up and does a setuid, should it be writing the 
> PID file before or after the setuid?
> 
> Two methods exists AFAIK:
> 
> 1 - write your PID immediately, and the file is chown root:wheel
> 2 - write your PID to /var/run/myapp/myapp.pid where /var/run/myapp/
>     is chown myapp:myapp
> 
> Of the two, I think #1 is cleaner as it does not require another 
> directory with special permissions.

You may have problems removing the file on exit, though.