Integrated: 8376630: java/lang/ProcessBuilder/PipelineLeaksFD.java intermittent timed out

[SendaoYan]

On Thu, 29 Jan 2026 02:35:23 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> 
> Test java/lang/ProcessBuilder/PipelineLeaksFD.java intermittent timed out, because `lsof` invoke huast lots of time when the tested machine has many processes, and the processes open too many files.
> 
> This PR add parameter -p pid to `lsof`, which will only generate output from the wanted processes, rather than all the processes on the machine, this will make `lsof` use less time to finish significantly. And this PR also use `Process.waitFor(long timeout, TimeUnit unit)` instead of `waitFor()` which will avoid waitFor invoke cause test timed out. Delete the history lsof input and output files will make diagnosis more easy.
> 
> Change has been verifed locally. The imtermittent timed out do not observed anymore.

This pull request has now been integrated.

Changeset: 14a6e928
Author:    SendaoYan <syan at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/14a6e928ce9a10f6d85fae8db4ce303da20bde85
Stats:     9 lines in 1 file changed: 6 ins; 0 del; 3 mod

8376630: java/lang/ProcessBuilder/PipelineLeaksFD.java intermittent timed out

Reviewed-by: rriggs

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PR: https://git.openjdk.org/jdk/pull/29478