RFR [13] JDK-8224829 : AsyncSSLSocketClose.java has timing issue

[Xuelei Fan]

ping ...

On 6/4/2019 11:10 AM, Xuelei Fan wrote:
> Hi,
> 
> Could I get the following update reviewed?
>     http://cr.openjdk.java.net/~xuelei/8224829/webrev.00/
> 
> If using one thread for closing, one thread for writing.  Closing and 
> writing threads are synchronized in order to delivery close_notify TLS 
> record.  There are could be race between the two threads.  If the output 
> stream buffer reach the limit, the write will be blocked, and then the 
> close thread may be pending.
> 
> The SO_LINGER is used to resolve the issue for general socket.  With the 
> above update, the SSLSocket implementation will check the SO_LINGER as 
> well.  If SO_LINGER is on, the SSLSocket close will try to get the 
> synchronization lock in the time of SO_LINGER value.  If timeout, the 
> close process will move on, and close the underlying socket by force.
> 
> Thanks,
> Xuelei