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Abort a process when FD ownership is violated #124130

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Abort a process when FD ownership is violated #124130

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11 changes: 10 additions & 1 deletion library/std/src/os/fd/owned.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -176,7 +176,16 @@ impl Drop for OwnedFd {
// something like EINTR), we might close another valid file descriptor
// opened after we closed ours.
#[cfg(not(target_os = "hermit"))]
let _ = libc::close(self.fd);
{
match cvt(libc::close(self.fd)) {
Err(e) if e.raw_os_error() == Some(libc::EBADF) => {
rtabort!(
"IO Safety violation: owned file descriptor already closed (EBADF)"
);
}
_ => {}
}
}
#[cfg(target_os = "hermit")]
let _ = hermit_abi::close(self.fd);
}
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