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std::sys::unix::stdio: explain why we do into_raw #58295

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Merged
merged 1 commit into from
Feb 11, 2019
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std::sys::unix::stdio: explain why we do into_raw #58295

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6 changes: 3 additions & 3 deletions src/libstd/sys/unix/stdio.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@ impl Stdin {
pub fn read(&self, data: &mut [u8]) -> io::Result<usize> {
let fd = FileDesc::new(libc::STDIN_FILENO);
let ret = fd.read(data);
fd.into_raw();
fd.into_raw(); // do not close this FD
ret
}
}
Expand All @@ -23,7 +23,7 @@ impl Stdout {
pub fn write(&self, data: &[u8]) -> io::Result<usize> {
let fd = FileDesc::new(libc::STDOUT_FILENO);
let ret = fd.write(data);
fd.into_raw();
fd.into_raw(); // do not close this FD
ret
}

Expand All @@ -38,7 +38,7 @@ impl Stderr {
pub fn write(&self, data: &[u8]) -> io::Result<usize> {
let fd = FileDesc::new(libc::STDERR_FILENO);
let ret = fd.write(data);
fd.into_raw();
fd.into_raw(); // do not close this FD
ret
}

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