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

[David Holmes]

On Fri, 19 Dec 2025 11:18:50 GMT, Patricio Chilano Mateo <pchilanomate at openjdk.org> wrote:

> I was thinking on having a in_critical() check in HandshakeState::try_process when the op returned by get_op() is `SuspendThreadHandshakeClosure`

Checking the generic handshake code for a specific handshake operation seems like a horrendous hack - that code should never have to specialize based on the operation. The operation should handle any special cases.

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PR Comment: https://git.openjdk.org/jdk/pull/28884#issuecomment-3674993065