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fix warning

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Wez Furlong 2024-11-19 10:14:32 -07:00
parent 979df78269
commit 4050072da2
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1 changed files with 5 additions and 1 deletions
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6
filedescriptor/src/unix.rs
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@ -320,7 +320,11 @@ impl FileDescriptor {
};
let std_original = FileDescriptor::dup(&std_descriptor)?;
unsafe { FileDescriptor::dup2(f, std_descriptor) }?.into_raw_fd();
// Assign f into std_descriptor, then convert to an fd so that
// we don't close it when the returned FileDescriptor is dropped.
// Then we discard/ignore the fd because it is nominally owned by
// the stdio machinery for the process
let _ = unsafe { FileDescriptor::dup2(f, std_descriptor) }?.into_raw_fd();
Self::no_cloexec(std_descriptor)?;
Ok(std_original)