Ray Satiro via curl-library <curl-library@cool.haxx.se> wrote on 2021-01-10:
> On 1/10/2021 5:33 PM, Daniel Stenberg via curl-library wrote: > > On Sun, 10 Jan 2021, Fabian Keil via curl-library wrote: > > > >> The attached patch seems to work around the problem. > >> Busy-looping probably isn't the right solution, though. > > > > Yeah, that's just not the right fix. > > > > When the code returns there (http_proxy.c line 346) due to CURLE_AGAIN > > having been returned from the read function, it should return back out > > to the multi state-machine where it should remain in the > > CURLM_STATE_WAITPROXYCONNECT state until the socket gets readable > > again and it calls Curl_http_connect() again to continue to the > > CONNECT handling. > > > > Can you rebuild with --enable-debug and see if the extra output shines > > some more light on this? Presumably, in your case the code moves on to > > the next state somehow when it shouldn't and we should figure out why! > > > +1 we want it non-blocking. I can't reproduce this but I took a guess. > Can you please try https://github.com/curl/curl/pull/6432 Good guess. The commit 1253e5f4ba1210 makes the test succeed 1000 times in a row. Thanks. Fabian
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