add comment about the usage of Arc

a8e3746e · Stefan Lankes · 6c983a73 · a8e3746e
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src/libstd/sys/hermit/net.rs src/libstd/sys/hermit/net.rs +3 -0

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--- a/src/libstd/sys/hermit/net.rs
+++ b/src/libstd/sys/hermit/net.rs
@@ -35,6 +35,9 @@ fn drop(&mut self) {
    }
 }

+// Arc is used to count the number of used sockets.
+// Only if all sockets are released, the drop
+// method will close the socket.
 #[derive(Clone)]
 pub struct TcpStream(Arc<Socket>);