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Treat EOPNOTSUPP the same as ENOTSUP when ignoring failed flock calls. #10157

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Dec 4, 2021
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Treat EOPNOTSUPP the same as ENOTSUP when ignoring failed flock calls. #10157

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5 changes: 4 additions & 1 deletion src/cargo/util/flock.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -374,7 +374,10 @@ mod sys {

pub(super) fn error_unsupported(err: &Error) -> bool {
match err.raw_os_error() {
Some(libc::ENOTSUP) => true,
// Unfortunately, depending on the target, these may or may not be the same.
// For targets in which they are the same, the duplicate pattern causes a warning.
#[allow(unreachable_patterns)]
Some(libc::ENOTSUP | libc::EOPNOTSUPP) => true,
#[cfg(target_os = "linux")]
Some(libc::ENOSYS) => true,
_ => false,
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