RFR: 8274524: SSLSocket.close() hangs if it is called during the ssl handshake [v2]

[Xue-Lei Andrew Fan]

On Fri, 11 Feb 2022 20:07:43 GMT, Alexey Bakhtin <abakhtin at openjdk.org> wrote:

>> Please review the patch for the JDK-8274524
>> 
>> SSLSocket.close() could cause an intermittent hang of the socket read operation. It happens in case of SO_TIMEOUT is set to 0 (infinite timeout).
>> SSLSocket.close() reads from the socket as part of the skip() operation to prevent TCP Connection reset (see JDK-8268965). Socket reads are performed in a loop for small chunks. These read operations could cause a deadlock, in case of SO_TIMEOUT = 0
>> I suggest to force non-zero SO_TIMEOUT during the skip() operation to prevent such deadlock
>> 
>> This is a second iteration of review. Previous PR was closed without integration: https://github.com/openjdk/jdk/pull/5760
>
> Alexey Bakhtin has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Change read timeout value for skip

Marked as reviewed by xuelei (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/7432