30 lines
865 B
Rust
30 lines
865 B
Rust
#[cfg(unix)]
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use std::os::fd::AsFd;
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#[cfg(unix)]
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#[allow(unused_variables)]
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#[track_caller]
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pub(crate) fn check_socket_for_blocking<S: AsFd>(s: &S) -> crate::io::Result<()> {
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#[cfg(not(tokio_allow_from_blocking_fd))]
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{
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let sock = socket2::SockRef::from(s);
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debug_assert!(
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sock.nonblocking()?,
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"Registering a blocking socket with the tokio runtime is unsupported. \
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If you wish to do anyways, please add `--cfg tokio_allow_from_blocking_fd` to your \
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RUSTFLAGS. See github.com/tokio-rs/tokio/issues/7172 for details."
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);
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}
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Ok(())
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}
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#[cfg(not(unix))]
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#[allow(unused_variables)]
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pub(crate) fn check_socket_for_blocking<S>(s: &S) -> crate::io::Result<()> {
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// we cannot retrieve the nonblocking status on windows
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// and i dont know how to support wasi yet
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Ok(())
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}
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