Date: Wed, 07 Oct 1998 23:14:19 -0700 From: Mike Smith <mike@smith.net.au> To: Alex <garbanzo@hooked.net> Cc: Mike Smith <mike@smith.net.au>, Darren Whittaker <djw@sage1.sagecorp.com>, freebsd-current@FreeBSD.ORG Subject: Re: problem in 3.0 Message-ID: <199810080614.XAA01484@dingo.cdrom.com> In-Reply-To: Your message of "Wed, 07 Oct 1998 23:05:59 PDT." <Pine.BSF.4.00.9810072304510.758-100000@zippy.dyn.ml.org>
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> On Wed, 7 Oct 1998, Mike Smith wrote:
> [...]
> > I'm afraid you're going to have to supply some more detail before we
> > can help you further here.
>
> #include <stdio.h>
>
> int main()
> {
> for (;;) {
> pclose(popen("/usr/sbin/pstat -sk", "r"));
> }
> }
>
> Compile and run this. Watch top on another pty as this is running. Unless
> my understanding of popen is flawed, this shouldn't continue to grab more
> and more memory.
We're aware of this leak; it has to do with popen using vfork and the
address space sharing semantics that come with it.
This isn't the problem that's being reported though.
--
\\ Sometimes you're ahead, \\ Mike Smith
\\ sometimes you're behind. \\ mike@smith.net.au
\\ The race is long, and in the \\ msmith@freebsd.org
\\ end it's only with yourself. \\ msmith@cdrom.com
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