Re: bind address lockup

On Thu, 27 Jun 2019, Robert NEMKIN via curl-library wrote:

> I don't know if setsockopt bind address is thread-safe?

Assuming you speak of Linux, I certainly presume bind() is thread-safe. But
your way of saying this makes me curious. Why do you call it setsockopt bind
address? Where exactly does it hang? And for how long?

> Maybe I can use some workaround? E.g. download a little testfile sequential
> to do the bindaddress serialized with keepalive, then start the
> multithreaded download?

You could add one transfer at a time and only start the next once the previous
has started to get data as then you know they don't do bind() at the same
time. But I wouldn't feel entirely safe with that since then we don't know for
sure where the problem is or that this is actually a working fix or just
accidentally working...

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