Messages in this thread | | | From | Tom Tromey <> | Subject | Re: linux-next: add utrace tree | Date | Tue, 26 Jan 2010 16:27:06 -0700 |
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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
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