Hi all,

I was seeing an issue where a file descriptor in a heavily threaded application was being closed from under me. I think I traced it back to a double close in curl, and am able to simply reproduce using a single curl command:
curl https://customers.countrywide.com/protected/entry_authenticated.asp

If I run this under strace:
strace curl https://customers.countrywide.com/protected/entry_authenticated.asp

Notice at the bottom of the trace:
setsockopt(3, SOL_TCP, TCP_NODELAY, [1], 4) = 0
send(3, "\25\3\1\0\22\303\200\346g \201\364r\315\33\26\1\370*\214\21<%"..., 23, 0) = 23
close(3) = 0
close(3) = -1 EBADF (Bad file descriptor)

Thanks,
Kevin

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Received on 2009-10-15