RFR: 8364312: debug agent should set FD_CLOEXEC flag rather than explicitly closing every open file [v3]

[Chris Plummer]

On Wed, 6 Aug 2025 00:49:22 GMT, Guanqiang Han <ghan at openjdk.org> wrote:

> Just to confirm — does your CI testing include linux-x64? I ran the tests locally on that platform, and some of them failed with timeout errors, which might be related to my machine’s performance.

I tested linux-x64-debug. If you are seeing timeouts, you should do test runs without any of your changes to see whether or not your changes introduced the timeouts.

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PR Comment: https://git.openjdk.org/jdk/pull/26568#issuecomment-3160107236