add comment about the usage of Arc

stlankes · stlankes · commit a8e3746e9160 · 2020-06-15T09:29:32.000+02:00
diff --git a/src/libstd/sys/hermit/net.rs b/src/libstd/sys/hermit/net.rs
@@ -35,6 +35,9 @@ impl Drop for Socket {
     }
 }
 
+// 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>);
 

Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,9 @@ impl Drop for Socket {`
`35`	`35`	`}`
`36`	`36`	`}`
`37`	`37`
	`38`	`+// Arc is used to count the number of used sockets.`
	`39`	`+// Only if all sockets are released, the drop`
	`40`	`+// method will close the socket.`
`38`	`41`	`#[derive(Clone)]`
`39`	`42`	`pub struct TcpStream(Arc<Socket>);`
`40`	`43`