[RFC] Allowing all threads of all|current process(es) to be resumed [new command + docs]
Doug Evans
dje@google.com
Mon Jun 1 15:55:00 GMT 2009
On Sun, May 31, 2009 at 3:07 PM, Pedro Alves <pedro@codesourcery.com> wrote:
> Re. 'c -t 1 2 3', and similars, you're skipping a lot of ground.
Whoa. Apologies for putting you through all that typing :-(. It was
just an off-the-cuff example and was certainly *not* aimed at
all-stop.
> Non-stop, however, avoids all these issues by working on top
> of an asynchronous target interface.
Indeed.
> My patch simply attempts at making all-stop multi-inferior behave
> the same as multi-forks + all-stop worked ever since it was added, so
> that we can continue lifting gdb's age old single-inferior design
> restrictions. E.g., trying to resume all forks is still a very
> limited experience, since GDB will only insert breakpoints in one
> of the forks... DICOS doesn't have this issue (breakpoints are visible
> to all processes), so resuming all inferiors is a feature that I can
> claim is useable today on some targets.
>
> I'm not saying that we should stick to this new switch forever, but
> IMNSHO, making gdb a parallel debugger inevitably takes experimentation
> and user feedback (this is nothing new: we can consider the multi-forks
> the first experimentation).
I guess I'm a bit confused (no claim is made that that's unexpected :-)).
I was offering an alternative. I'd still like to hear what you think
of adding a modifier to "continue", etc. instead. I'm not wedded to
it of course. In part it seemed like a good time to talk about the
two alternatives.
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