Re: [PATCH 0/5] utrace-ptrace-mini: rfc hacks

2009-08-31 Thread Oleg Nesterov
On 08/30, Roland McGrath wrote: Signals. ptrace processes a signal after all other attached engines. As my reply to that patch indicated, what you can given the tracehook_get_signal API does not really fit that description. Yes. Perhaps by ignoring signr and looking at si_signo you could

Re: [PATCH] utrace_stop: fix UTRACE_DETACH race

2009-08-31 Thread Roland McGrath
Btw, is it allowed to use utrace_control(UTRACE_DETACH) from -report_any() ? If yes, then we need a bit more fixes... It's kind of a stupid thing to do, but yes, it should be allowed. I think it's fine either if it always returns -EINPROGRESS or if it returns 0 for the target==current case. It

Re: [PATCH] utrace_stop: fix UTRACE_DETACH race

2009-08-31 Thread Roland McGrath
I think this should work, but I'd like to re-read these changes carefully, this all is subtle. Sure. I meant it as a proposal for you to consider. I didn't think through all the corners myself. It just seemed easier to do those commits as the starting point for further discussion than to

Hoffs

2009-08-31 Thread Tinn
E always heading south and appear to be in a powerful hurry, but the funny part of it is I ain't never seen them coming back. Do you know their names? No, I can't say I do, though it seems as if I'd heard one of them called Fred. I can't say which it was. Do they always come by on the same