From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Date: Wed, 10 Oct 2001 22:57:21 +0000 Subject: Re: [Linux-ia64] Re: prctl patch for fpu faults Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Can't prctl take up to 5 args though? If binary compatibility were an issue, a new prctl could be made that accepts a pid as well, right? Jesse On Wed, 10 Oct 2001, David Mosberger wrote: > >>>>> On Wed, 10 Oct 2001 15:31:22 -0700, Jesse Barnes said: > > Jesse> I was thinking of hacking up the 'prctl' tool to take a PID > Jesse> as an argument, that way it could set the flags for any task. > Jesse> It would allow an initscript to set init's flags, among other > Jesse> things. Would such a change qualify as a cleaner solution? > > Yes, but how do you change the settings for the target process? > prctl(2) can only change the setting of the calling process (there is > no pid argument). You can't do it via ptrace() either. > > --david >