Potential lost write IO notifications in Windows when using virtual threads

Alan Bateman alan.bateman at oracle.com
Wed Feb 11 19:15:04 UTC 2026


On 11/02/2026 18:52, robert engels wrote:
> But the bug you linked as a potential candidate uses epoll directly. I only linked it because it discusses what sounds to be similar race results in starvation conditions.
The issue that I think Matthew may be hitting arises when a Windows 
SOCKET that is registered for different I/O events with 2 AFD instances 
(think registered with a Read-Poller and Write-Poller at the same time). 
So very different to sharing epfd across threads or the edge triggered 
mode that the article is about.

-Alan


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