lkml.org 
[lkml]   [2008]   [Mar]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 0/3] orphaned pgrp fixes
Date
> However, SIGNAL_STOP_STOPPED doesn't relaible with ptrace. I mean, ptracer
> doesn't clear SIGNAL_STOP_STOPPED. This is btw one of the problems which
> complicates fixing do_wait(WSTOPPED).

We can clean that up too if you'd like to bring up the details.

> As for SIGNAL_STOP_STOPPING... I am dreaming to find the way to eliminate
> this lock-drop in get_signal_to_deliver(). Not sure this is possible, but
> it is so nasty. For example, SIGNAL_STOP_DEQUEUED is racy, and I don't know
> how to fix this. The patch we discussed some time ago doesn't really work
> because dequeue_signal() drops the lock too. The latter is fixable afaics,
> but needs very ugly changes.

It all certainly deserves more careful thought.


Thanks,
Roland


\
 
 \ /
  Last update: 2008-03-05 02:15    [W:0.082 / U:1.132 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site