| 1 | //! The [`is_read_write`] function. |
| 2 | //! |
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| 3 | //! [`is_read_write`]: https://docs.rs/rustix/*/rustix/io/fn.is_read_write.html |
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| 4 | |
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| 5 | use crate::{backend, io}; |
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| 6 | use backend::fd::AsFd; |
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| 7 | |
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| 8 | /// Returns a pair of booleans indicating whether the file descriptor is |
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| 9 | /// readable and/or writable, respectively. |
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| 10 | /// |
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| 11 | /// Unlike [`is_file_read_write`], this correctly detects whether sockets |
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| 12 | /// have been shutdown, partially or completely. |
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| 13 | /// |
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| 14 | /// [`is_file_read_write`]: crate::fs::is_file_read_write |
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| 15 | #[inline ] |
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| 16 | #[cfg_attr (docsrs, doc(cfg(all(feature = "fs" , feature = "net" ))))] |
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| 17 | pub fn is_read_write<Fd: AsFd>(fd: Fd) -> io::Result<(bool, bool)> { |
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| 18 | backend::io::syscalls::is_read_write(fd.as_fd()) |
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| 19 | } |
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| 20 | |
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