net: expose shutdown TS def (denoland#3560)

cli/js/lib.deno_runtime.d.ts

@@ -1148,6 +1148,24 @@ declare namespace Deno {
  address: string;
  }
 
+ export enum ShutdownMode {
+ // See http:https://man7.org/linux/man-pages/man2/shutdown.2.html
+ // Corresponding to SHUT_RD, SHUT_WR, SHUT_RDWR
+ Read = 0,
+ Write,
+ ReadWrite // unused
+ }
+
+ /** Shut down socket send and receive operations.
+ *
+ * Matches behavior of POSIX shutdown(3).
+ *
+ * const listener = Deno.listen({ port: 80 });
+ * const conn = await listener.accept();
+ * Deno.shutdown(conn.rid, Deno.ShutdownMode.Write);
+ */
+ export function shutdown(rid: number, how: ShutdownMode): void;
+
  /** A Listener is a generic network listener for stream-oriented protocols. */
  export interface Listener extends AsyncIterator<Conn> {
  /** Waits for and resolves to the next connection to the `Listener`. */