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Here, I think aiming for a slow working solution will be better than trying for a fast broken one.Andrew Cagney wrote:Hello, There have now been several discussion threads that lead to the conclusion that target->resume (ptid_t, int, enum target_signal) needs changing. At present the suggestion is to add a parameter to indicate schedule locking and similar operations. I'd like to propose a different approach. Instead of passing to resume() what to do, have resume() iterate over all the threads asking each what it should do - suspend, step, run, signal, ... I think, in the end, GDB will need to do something like this any way (how else is GDB going to handle suspended threads?) so might as well start earlier rather than later :-) (thinking out loud) Andrew
That's probably a good idea. Difficult to know how else to handle
large numbers of threads, if we eventually have some sort of suspend/resume functionality.
If we do this, though, we should pay attention to efficiency, since it's fairly important that all threads be activated as close to simultaneously as possible.
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