}

  /**
   * Invokes {@code semaphore.}{@link Semaphore#tryAcquire(int, long, TimeUnit) tryAcquire(1,
   * timeout, unit)} uninterruptibly.
   *
   * @since 18.0
   */
  @J2ktIncompatible
  @GwtIncompatible // concurrency
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  public static boolean tryAcquireUninterruptibly(

        out.println("<a class=\"sort\" href=\"?fmt=detail&sort=size\">Size</a>");
        out.println("<a class=\"sort\" href=\"?fmt=detail&sort=type\">Type</a>");
        out.println("<a class=\"sort\" style=\"width: 180\" href=\"?fmt=detail&sort=date\">Modified</a><br clear='all'><p>");

        path = dir.getLocator().getCanonicalURL();

        if ( path.length() < 7 ) {
            out.println("<b><big>smb://</big></b><br>");

<img src="/img/tutorial/websockets/image05.png">

## 切断や複数クライアントへの対応

WebSocket接続が閉じられると、 `await websocket.receive_text()` は例外 `WebSocketDisconnect` を発生させ、この例のようにキャッチして処理することができます。

```Python hl_lines="81-83"
{!../../docs_src/websockets/tutorial003.py!}
```

試してみるには、

* いくつかのブラウザタブでアプリを開きます。
* それらのタブでメッセージを記入してください。
* そして、タブのうち1つを閉じてください。

</pre>
```

</div>

////

//// tab | `uvicorn`

Se você preferir usar o comando `uvicorn` diretamente:

<div class="termy">

```console
$ uvicorn main:app --host 0.0.0.0 --port 8080 --workers 4
<font color="#A6E22E">INFO</font>:     Uvicorn running on <b>http://0.0.0.0:8080</b> (Press CTRL+C to quit)
<font color="#A6E22E">INFO</font>:     Started parent process [<font color="#A1EFE4"><b>27365</b></font>]

    }

    protected String getOicRedirectUrl() {
        return ComponentUtil.getSystemProperties().getProperty(OIC_REDIRECT_URL, "http://localhost:8080/sso/");
    }

    protected String getOicScope() {
        return ComponentUtil.getSystemProperties().getProperty(OIC_SCOPE, StringUtil.EMPTY);
    }

    protected String getOicClientId() {

        assertTrue(DefaultMirrorSelector.isExternalRepo(getRepo("foo", "http://")));
        // these are local
        assertFalse(DefaultMirrorSelector.isExternalRepo(getRepo("foo", "http://localhost:8080")));
        assertFalse(DefaultMirrorSelector.isExternalRepo(getRepo("foo", "http://127.0.0.1:9090")));
        assertFalse(DefaultMirrorSelector.isExternalRepo(getRepo("foo", "file://localhost/somepath")));

        + fieldOverride.byRegexp.withProperty(
          'custom.fillOpacity',
          0
        )
        + fieldOverride.byRegexp.withProperty(
          'custom.lineStyle',
          {
            dash: [8, 10],
            fill: 'dash',
          }
        ),
      ]),


    bars(title, targets, desc=''):
      self.base(title, targets, desc)
      + options.legend.withCalcs([])

</pre>
```

</div>

////

//// tab | `uvicorn`

If you prefer to use the `uvicorn` command directly:

<div class="termy">

```console
$ uvicorn main:app --host 0.0.0.0 --port 8080 --workers 4
<font color="#A6E22E">INFO</font>:     Uvicorn running on <b>http://0.0.0.0:8080</b> (Press CTRL+C to quit)
<font color="#A6E22E">INFO</font>:     Started parent process [<font color="#A1EFE4"><b>27365</b></font>]

Wie auch immer, Sie würden es so ausführen:

<div class="termy">

```console
$ uvicorn main:app --host 0.0.0.0 --port 8080 --workers 4
<font color="#A6E22E">INFO</font>:     Uvicorn running on <b>http://0.0.0.0:8080</b> (Press CTRL+C to quit)
<font color="#A6E22E">INFO</font>:     Started parent process [<font color="#A1EFE4"><b>27365</b></font>]

    --hash=sha256:d06016f7f8625a1825ba3732081d77c94589dca78b7a3fc072194851e88461a4 \
    --hash=sha256:d16bbddf0693323b8c6123dd804100241da461e41d6e332fb0ba6058f630f8c8
    # via portpicker
pygments==2.18.0 \
    --hash=sha256:786ff802f32e91311bff3889f6e9a86e81505fe99f2735bb6d60ae0c5004f199 \
    --hash=sha256:b8e6aca0523f3ab76fee51799c488e38782ac06eafcf95e7ba832985c8e7b13a
    # via rich
requests==2.32.3 \