Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 9 May 2006 16:13:18 +0200
From:      Frank Steinborn <steinex@nognu.de>
To:        Nikos Vassiliadis <nvass@teledomenet.gr>
Cc:        freebsd-questions@freebsd.org, nospam@mgedv.net
Subject:   Re: kern.randompid: jot generation senseful?
Message-ID:  <20060509141318.88A0FB822@shodan.nognu.de>
In-Reply-To: <200605091622.30492.nvass@teledomenet.gr>
References:  <000a01c67362$f3d1f3d0$01010101@avalon.lan> <200605091622.30492.nvass@teledomenet.gr>

next in thread | previous in thread | raw e-mail | index | archive | help
Nikos Vassiliadis wrote:
> Isn't kern.randompid a boolean? TRUE or FALSE?

No.

> It is just on or off. 1 means PIDs are random.
> 0 means PIDs are sequential. to be exact, everything
> not being 0, is TRUE.

That is not true. Peter Pentchev once wrote:

"The kern.randompid sysctl is not a boolean flag, but an estimate of
the random value that will be added to each newly created pid. For
more information, read the comments in src/sys/kern/kern_fork.c before
the sysctl_kern_randompid() function (around line 150). The function
itself ignores sysctl settings of less than 2."

Frank



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060509141318.88A0FB822>