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Re: [PATCH 3/8] initscripts: use pidof -s /sbin/init for robustness

From: Justus Winter
Subject: Re: [PATCH 3/8] initscripts: use pidof -s /sbin/init for robustness
Date: Mon, 22 Jul 2013 17:14:28 +0200
User-agent: alot/0.3.4

Quoting Pino Toscano (2013-07-22 15:57:45)
> Alle martedì 9 luglio 2013, Justus Winter ha scritto:
> > pidof -s returns the first matching process. Since readdir(2) on
> > procfs returns the processes in ascending order, this returns the
> > first process. This is more robust if there is more than one
> > /sbin/init process.
> > 
> > Currently on Hurd there are two /sbin/init processes.
> Are you sure there are two /sbin/init process around, when using 
> sysvinit? Back then in my experiments, I remember one /hurd/init (as of 
> now) and /sbin/init, and I had to fix procfs so `pidof /sbin/init` would 
> actually match exactly and not go into fuzzy search (which would find 
> /hurd/init and /sbin/init).

Sounds crazy, but yes, I'm somewhat sure:

Mounting local filesystems...done.
+ grep init
root         1  - Sslo  0:00.02 /hurd/init root=device:hd0s1 console=com0
root         6  - Sslo  0:00.01 init boot
root        12 co Ssfow 0:00.00 init boot
root        13 co So    0:00.01 /bin/sh /etc/init.d/rc S
root       416 co Sow   0:00.03 /bin/sh /etc/init.d/mountall.sh start
root       493 co So    0:00.00 grep init
+ pidof /sbin/init
12 6
+ set +x


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