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Cc: freebsd-net@freebsd.org, bug-followup@freebsd.org
Subject: Re: kern/153594: [iwn] Network keeps disconnecting when
 /etc/rc.d/netif restart is run
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On 04.01.2011 15:39, Bernhard Schmidt wrote:

>> Proper fine-grained locking was always good solution for race problem :-)
>> How about using flock(2) in wpa_supplicant source code?
> 
> I don't see any flock'able resource shared between instances, do you?

Just use pidfile(3) :-)