Integrated: JDK-8286789: Test forceEarlyReturn002.java timed out

[Alex Menkov]

On Tue, 15 Aug 2023 23:03:31 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

> This is an attempt to fix suspicious code in the forceEarlyReturn002.java and un-problemlist it to see if the problem appear again.
> 
> The test fails in "virtual thread factory" mode with timeout for unclear reason after it finished testing and performs cleanup process (debugger sends debuggee a command to exit, but debuggee doesn't receive the command).
> This is the only test which has this intermittent communication failures.
> The test was problem-listed, I was not able to reproduce the issue with 1000+ runs.
> 
> Debuggee creates a thread which executes tight infinite loop in native code (in "virtual thread factory" mode it's pinned virtual thread).
> The fix adds delays in the loop and adds new command to exit from native method after testing.
> 
> Testing: 100 runs in "virtual thread factory" mode on all Oracle supported platforms.

This pull request has now been integrated.

Changeset: c90cd2c0
Author:    Alex Menkov <amenkov at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/c90cd2c0608d250434bff7013360b8388d9854b3
Stats:     49 lines in 4 files changed: 36 ins; 8 del; 5 mod

8286789: Test forceEarlyReturn002.java timed out

Reviewed-by: lmesnik, sspitsyn

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PR: https://git.openjdk.org/jdk/pull/15301