On Tue, 27 Sep 2022 15:35:34 GMT, Alan Bateman <al...@openjdk.org> wrote:

>> BlockingChannelOps.java and BlockingSocketOps.java test virtual threads 
>> doing blocking I/O on channels and java.net sockets.
>> 
>> BlockingChannelOps has 32 tests at this time and takes nearly 120s to run 
>> due to several tests that sleep to improve the chances that threads are 
>> blocked. These sleeps can be replaced with a poll of the thread state so the 
>> test runs in 3-4s. BlockingSocketOps has be changed to do the same time.
>> 
>> In passing, I updated the tests in BlockingSocketOps that bound a 
>> ServerSocket to the wildcard address so they bind to the loopback address 
>> instead. This helps reduce potential interference in CI environments. I also 
>> put a workaround into BlockingChannelOps for macOS where the kernel appears 
>> to increase the amount of bytes that can be buffered in the socket sender 
>> buffer, it's otherwise too hard to test that socket writes block on that 
>> platform.
>
> Alan Bateman has updated the pull request with a new target base due to a 
> merge or a rebase. The incremental webrev excludes the unrelated changes 
> brought in by the merge/rebase. The pull request contains three additional 
> commits since the last revision:
> 
>  - Change testSocketWrite1 to use in.transfer, and fix typo in comment
>  - Merge
>  - Initial commit

test/jdk/java/net/vthread/BlockingSocketOps.java line 722:

> 720:     /**
> 721:      * Runs the given task asynchronously after the current virtual 
> thread has
> 722:      * parked, or after a max wait time, whichever is first.

Does this comment need an update to match the current implementation? From what 
I can see in the current implementation of `runAfterParkedAsync`, in this PR, 
it doesn't have a "max wait time" construct before triggering the task.

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

PR: https://git.openjdk.org/jdk/pull/10427

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