Withdrawn: 8373839: Disable JVM TI suspension during JNI critical regions

David Holmes dholmes at openjdk.org
Tue Jan 13 06:20:34 UTC 2026


On Thu, 18 Dec 2025 01:24:42 GMT, David Holmes <dholmes at openjdk.org> wrote:

> To ensure JNI critical access to a raw array can't interfere with actions of the debugger, we disable JVM TI suspension whilst JNI critical access is active, as originally suggested by @fisk. We assume the debugger is being operated correctly (ie the thread using the raw array will be suspended), and that the critical section is short so as to not delay debugging too long. 
> 
> The mechanism for this already exists courtesy of the virtual thread support.
> 
> Testing:
>  - tiers 1 - 6 sanity

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/28884


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