[issue45718] asyncio: MultiLoopWatcher has a race condition (Proposed work-around)

William Fisher added the comment: Thanks, I will comment on bpo-38323 directly. -- resolution: -> duplicate stage: -> resolved status: open -> closed ___ Python tracker ___

[issue45718] asyncio: MultiLoopWatcher has a race condition (Proposed work-around)

Chris Jerdonek added the comment: Since issue 38323 is still open, I think you should just comment on that instead of creating a new issue. -- nosy: +chris.jerdonek ___ Python tracker

[issue45718] asyncio: MultiLoopWatcher has a race condition (Proposed work-around)

New submission from William Fisher : Summary: asyncio.MultiLoopChildWatcher has two problems that create a race condition. 1. The SIGCHLD signal handler does not guard against interruption/re-entry. 2. The SIGCHLD signal handler can interrupt add_child_handler's `self._do_waitpid(pid)`.