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Implement SO_ERROR for sockets #1373

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Implement SO_ERROR for sockets#1373
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stlankes

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@mkroening
mkroening
opened on Aug 31, 2024

This SO_ERROR is commonly used to check sockets for errors, for example on non-blocking connect calls.

getsockopt(sockfd, SOL_SOCKET, SO_ERROR, ...);

This is exposed in Rust as TcpStream::take_error, TcpListener::take_error, and UdpSocket::take_error via the currently not implemented std::sys::pal::hermit::net::Socket::take_error.

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