fooofei

we should give the user an opportunity to compile with windows x86, so make the code stronger.

> There is also no way to stop colly's execution either so it will keep scraping even though the goroutine may have already stopped processing due to some error. @Zaba505...

@Zaba505 ### 1 `context.Context` vs `request` match count I think the `context.Context` 's count will very less than `request` count, NOT every `request` bind with a separate `context.Context`, go on...

I support a less example code to use `context.Context` with colly, which not change anything in colly. ```golang // contextTransport wrapper a context.Context for cancel requests type contextTransport struct {...

pcap files : [dns-one-good.pcapng.zip](https://github.com/c-ares/c-ares/files/3380296/dns-one-good.pcapng.zip) [dns-multi-good.pcapng.zip](https://github.com/c-ares/c-ares/files/3380297/dns-multi-good.pcapng.zip) [dns-multi-bad.pcapng.zip](https://github.com/c-ares/c-ares/files/3380298/dns-multi-bad.pcapng.zip)

@yangtse @bagder @bradh352 @dimbleby can you give some help? thx.

adig output ``` $ ./adig -f usevc -d -s 114.114.114.114 x.com y.com Answer for query x.com: Timeout while contacting DNS servers Answer for query y.com: Timeout while contacting DNS servers...

@bradh352 c-ares version is c-ares 1.15.0 , download from https://c-ares.haxx.se/download/c-ares-1.15.0.tar.gz

c-ares-1.13.0 has the same issue.

@Ken-Andre you may contact to @cdk8s-zelda or @judasn for contribute, I am also a contributor of this repo, I cannot help you for translate.