add support of a unix-like poll function #1046
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@mkroening Now, you can review the PR. I added some async lock to reduce the blocking time. |
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poll() examines a set of file descriptors to see if some of them are ready for I/O or if certain events have occurred on them. The currenty implementation is using an asynchronous function to check all file descriptors.
according to the POSIX standard, POLLNVAL should be returned, if the socket is already closed.
This removes a blocking function within the async function `poll_fds`.
in cace, the NIC is already used by a task, the calling of poll function isn't required.
- using async_locks to reduce the blocking time
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This is awesome 🎆 |
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poll()examines a set of file descriptors to see if some of them are ready for I/O or if certain events have occurred on them. The currenty implementation is using an asynchronous function to check all file descriptors.This PR should solve smol-rs/polling#177
Currently, the PR doesn't support file descriptors, which points to the uhyve file system.