Lock

pub const Lock = struct {
    manifest_file: Io.File,

    pub fn release(lock: *Lock, io: Io) void {
        if (builtin.os.tag == .windows) {
            // Windows does not guarantee that locks are immediately unlocked when
            // the file handle is closed. See LockFileEx documentation.
            lock.manifest_file.unlock(io);
        }

        lock.manifest_file.close(io);
        lock.* = undefined;
    }
}