lkml.org 
[lkml]   [2010]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: linux-next: add utrace tree
Date
Tom> * Use an fd, not SIGCHLD+wait, to report inferior state changes to gdb.
Tom> Internally we're already using a self-pipe to integrate this into
Tom> gdb's main loop. Relatedly, don't mess with the inferior's parentage.

Andi> How would having a kernel based solution be better over your
Andi> user space simulation?

Signals and wait are a pain because if we want to use some random
library in gdb, there might be conflicts. This is true even if we use
signalfd. An fd-for-debugging does not have this problem. This matters
more now that we're letting people script gdb in python.

Tom


\
 
 \ /
  Last update: 2010-01-27 00:31    [W:0.166 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site