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List:       openjdk-serviceability-dev
Subject:    Re: RFR: JDK-8313656: assert(!JvmtiExport::can_support_virtual_threads()) with
From:       Leonid Mesnik <lmesnik () openjdk ! org>
Date:       2023-08-30 22:37:15
Message-ID: lixMEeeNY3fLgfiMqSNRKBFNSOcTptNvS7m-0mnMEHg=.d3d39f5e-dc49-4715-8d77-8261051a8db8 () github ! com
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On Thu, 10 Aug 2023 01:45:47 GMT, Alex Menkov <amenkov@openjdk.org> wrote:

> The change fixes several issues with capability management:
> - handling can_support_virtual_threads capability. \
> JvmtiExport::can_support_virtual_threads() should be set to true if we have one or \
>                 more agent with can_support_virtual_threads capability;
> - JvmtiManageCapabilities (used by \
> GetPotentialCapabilities/AddCapabilities/RelinquishCapabilities/GetCapabilities) is \
>                 not thread safe;
> - SuspendAllVirtualThreads and ResumeAllVirtualThreads should check capability on \
> the caller agent (and not JvmtiExport::can_support_virtual_threads()). 
> Testing: tier1..5

Marked as reviewed by lmesnik (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/15219#pullrequestreview-1603587986


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