Fantix King comments

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                                            Fantix King

"Assertion `loop->watchers[w->fd] == w' failed." with multiprocessing and OS pipes

Ah okay, this is not a uvloop bug, but rather a difference to asyncio: you must `await tx.wait_closed()` in order to wait for all the data to be transmitted, while...

"Assertion `loop->watchers[w->fd] == w' failed." with multiprocessing and OS pipes

Oh, we've fixed the crash, the missing `await tx.wait_closed()` is only causing data not fully received.

"Assertion `loop->watchers[w->fd] == w' failed." with multiprocessing and OS pipes

I've also created [an upstream PR](https://github.com/libuv/libuv/pull/3057) so that we don't have to hack in the private constant in uvloop.

"Assertion `loop->watchers[w->fd] == w' failed." with multiprocessing and OS pipes

@PJovy right, the temporary fix is included in 0.15. An ideal fix would depend on something from upstream, but we should be fine without it.

"Assertion `loop->watchers[w->fd] == w' failed." with multiprocessing and OS pipes

We'll probably live with this temporary fix for now, as the upstream doesn't have a decision yet. I'm closing this issue to avoid confusion.

How to share libuv between multiple libraries

Fixed in #310

Queue write only after processing all buffers

Thanks for the PR and sorry for the long waiting! > Should allow libuv to leveraged vectorized IO (scatter) via calling sendmsg under-the-hood. Hmm do you have some test results...

Queue write only after processing all buffers

@jakirkham thank you for starting this anyways! Please feel free to comment on the PR or the original issue.

Activate debug mode when `-X dev` is used

thanks for the PR!

Build error, open CFI at the end of file; missing .cfi_endproc directive

Closing as "can't repro", please feel free to reopen if issue persists.