From: Daniel Jacobowitz <drow@false.org>
To: Paul Gilliam <pgilliam@us.ibm.com>
Cc: gdb@sources.redhat.com
Subject: Re: ptrace & threads question
Date: Tue, 13 Jul 2004 00:19:00 -0000 [thread overview]
Message-ID: <20040712235805.GA28956@nevyn.them.org> (raw)
In-Reply-To: <200407121636.52089.pgilliam@us.ibm.com>
On Mon, Jul 12, 2004 at 04:36:52PM -0700, Paul Gilliam wrote:
> Hi All,
>
> 'ptrace' is documented as acting on processes: it takes a PID as an argument.
> So if we are in a thread environment, where do we get registers for a
> particular thread?
>
> What does the user area mean in a threads environment?
PID on GNU/Linux in this case is what other operating systems call TID.
It's a kernel process ID and each thread is a kernel process.
> How is this different between NPTL and Linux threads?
Not at all.
--
Daniel Jacobowitz
prev parent reply other threads:[~2004-07-12 23:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-12 23:58 Paul Gilliam
2004-07-13 0:19 ` Daniel Jacobowitz [this message]
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