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Enable std::io::copy specialisation for std::pipe::{PipeReader, PipeWriter} #128303

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merged 1 commit into from
Aug 3, 2024
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Enable std::io::copy specialisation for std::pipe::{PipeReader, PipeWriter} #128303

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Enable std::io::copy specialisation for `std::pipe::{PipeReader, Pi… 
…peWriter}`

Signed-off-by: Jiahao XU <Jiahao_XU@outlook.com>
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@NobodyXu
NobodyXu committed Jul 28, 2024
commit 649b4310a3f0913a72e6a83cb54482d994ed248a
25 changes: 25 additions & 0 deletions library/std/src/sys/pal/unix/kernel_copy.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ use crate::net::TcpStream;
use crate::os::unix::fs::FileTypeExt;
use crate::os::unix::io::{AsRawFd, FromRawFd, RawFd};
use crate::os::unix::net::UnixStream;
use crate::pipe::{PipeReader, PipeWriter};
use crate::process::{ChildStderr, ChildStdin, ChildStdout};
use crate::ptr;
use crate::sync::atomic::{AtomicBool, AtomicU8, Ordering};
Expand Down Expand Up @@ -404,6 +405,30 @@ impl CopyWrite for &UnixStream {
}
}

impl CopyRead for PipeReader {
fn properties(&self) -> CopyParams {
CopyParams(FdMeta::Pipe, Some(self.as_raw_fd()))
}
}

impl CopyRead for &PipeReader {
fn properties(&self) -> CopyParams {
CopyParams(FdMeta::Pipe, Some(self.as_raw_fd()))
}
}

impl CopyWrite for PipeWriter {
fn properties(&self) -> CopyParams {
CopyParams(FdMeta::Pipe, Some(self.as_raw_fd()))
}
}

impl CopyWrite for &PipeWriter {
fn properties(&self) -> CopyParams {
CopyParams(FdMeta::Pipe, Some(self.as_raw_fd()))
}
}

impl CopyWrite for ChildStdin {
fn properties(&self) -> CopyParams {
CopyParams(FdMeta::Pipe, Some(self.as_raw_fd()))
Expand Down
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