fn from_file()

in src/vtok_common/src/util/flock.rs [43:57]

• 13 lines of code
• 4 McCabe index (conditional complexity)

    fn from_file(file: File, flock_op: libc::c_int) -> IoResult<Self> {
        loop {
            let rc = unsafe { libc::flock(file.as_raw_fd(), flock_op) };
            if rc == 0 {
                break;
            }
            let err = IoError::last_os_error();

            // If our wait was interrupted, try to acquire the lock again.
            if err.kind() != ErrorKind::Interrupted {
                return Err(err);
            }
        }
        Ok(Self(file))
    }