Suggestion needed to port the fix to JDK17 and JDK11

[Alan Bateman]

On 21/08/2023 17:28, Shruthi Shruthi1 wrote:
>
> The preClose() method internally calls the dup2() system call. If 
> there is a dup2() call on a file descriptor on a thread while another 
> thread is blocked in a read/write operation on the same file 
> descriptor, then the dup2() call is known to hang. Currently, 
> preClose() experiences a hang because we call dup2() before killing 
> the reader/writer thread(s).
>
The JDK has a lot of tests for async close so if dup2 is hanging then I 
would expect at least some test failure. Which operating system (and 
version) is still happening on? Do you know SO_LINGER has been enabled?

-Alan
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