Integrated: JDK-8319633: runtime/posixSig/TestPosixSig.java intermittent timeouts on UNIX

[Joachim Kern]

On Thu, 23 Nov 2023 14:35:11 GMT, Joachim Kern <jkern at openjdk.org> wrote:

> Every 1-2 weeks we run into timeouts when running jtreg test runtime/posixSig/TestPosixSig.java on UNIX.
> The thread stack shows that we are in line 54 of TestPosixSig.java.
> 
> The reason is the following: The test registers a new dummy signal handler for SIGILL, without delegating the task to the previous handler in the chain. In case the VM then calls a Java method marked as not-entrant at least on PPC64 a SIGILL is raised. Because this is not handled by the registered handler the SIGILL will happen again and again in an endless recursion.
> One solution would be to add a delegation to the hotspot signal handler, which is the previous handler in the chain.

This pull request has now been integrated.

Changeset: 464dc3da
Author:    Joachim Kern <jkern at openjdk.org>
Committer: Martin Doerr <mdoerr at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/464dc3dab540a36aeea76dbeea548c600df58763
Stats:     9 lines in 1 file changed: 9 ins; 0 del; 0 mod

8319633: runtime/posixSig/TestPosixSig.java intermittent timeouts on UNIX

Reviewed-by: dholmes, stuefe, mdoerr

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PR: https://git.openjdk.org/jdk/pull/16797