On Wed, 10 Dec 2025 15:29:51 GMT, Michael McMahon <[email protected]> wrote:

> Hi,
> 
> This change updates the use of NET_ThrowNew in Inet4AddressImpl.c + 
> Inet6AddressImpl.c (unix).
> Currently EINTR is incorrectly handled in NET_ThrowNew to throw 
> InterruptedIOException.
> 
> The only possible places in these files where EINTR can be returned is in the 
> sendto() calls
> for ping4() and ping6() used by the InetAddress.isReachable() API.
> 
> The change checks for EINTR returned from those calls and restarts the 
> sendto()
> if the timeout allows it. If EINTR is detected by NET_ThrowNew it is thrown 
> as an ordinary
> SocketException, but this should not happen.
> 
> The fix is only partially tested as it is difficult to make sendto() return 
> EINTR in practice, but
> I added a unit test for the new native function that checks if the timeout 
> has expired.
> 
> Thanks,
> Michael

This pull request has now been integrated.

Changeset: 4924b29f
Author:    Michael McMahon <[email protected]>
URL:       
https://git.openjdk.org/jdk/commit/4924b29fa519996b806ac0f4a7c898085f44bc4c
Stats:     66 lines in 5 files changed: 33 ins; 4 del; 29 mod

8370655: Check EINTR handling InetAddress implementation and NET_ThrowNew

Reviewed-by: alanb

-------------

PR: https://git.openjdk.org/jdk/pull/28750

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