internal inline fun Any.assertThreadHoldsLock() {
    if (assertionsEnabled && !taskRunner.lock.isHeldByCurrentThread) {
      throw AssertionError("Thread ${Thread.currentThread().name} MUST hold lock on $this")
    }
  }

  @Suppress("NOTHING_TO_INLINE")
  internal inline fun Any.assertThreadDoesntHoldLock() {
    if (assertionsEnabled && taskRunner.lock.isHeldByCurrentThread) {

 */
class TaskRunner(
  val backend: Backend,
  internal val logger: Logger = TaskRunner.logger,
) {
  val lock: ReentrantLock = ReentrantLock()
  val condition: Condition = lock.newCondition()

  private var nextQueueName = 10000
  private var coordinatorWaiting = false
  private var coordinatorWakeUpAt = 0L

  /**

dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> 1712896733 +0000

import okio.BufferedSink

/** Writes HTTP/2 transport frames. */
@Suppress("NAME_SHADOWING")
class Http2Writer(
  private val sink: BufferedSink,
  private val client: Boolean,
) : Closeable {
  internal val lock: ReentrantLock = ReentrantLock()

  private val hpackBuffer: Buffer = Buffer()
  private var maxFrameSize: Int = INITIAL_MAX_FRAME_SIZE
  private var closed: Boolean = false

  "email": "******@****.***",
  "full_name": "John Doe",
  "disabled": false,
  "hashed_password": "fakehashedsecret"
}
```

<img src="/img/tutorial/security/image06.png">

If you click the lock icon and logout, and then try the same operation again, you will get an HTTP 401 error of:

```JSON
{
  "detail": "Not authenticated"
}
```

### Inactive user

@Suppress("NAME_SHADOWING")
class Http2Connection internal constructor(builder: Builder) : Closeable {
  internal val lock: ReentrantLock = ReentrantLock()
  internal val condition: Condition = lock.newCondition()

  // Internal state of this connection is guarded by 'lock'. No blocking operations may be
  // performed while holding this lock!
  //
  // Socket writes are guarded by frameWriter.
  //

    }

    if (nextRouteToTry != null) {
      return true
    }

    if (failedConnection != null) {
      val retryRoute = retryRoute(failedConnection)
      if (retryRoute != null) {
        // Lock in the route because retryRoute() is racy and we don't want to call it twice.
        nextRouteToTry = retryRoute
        return true
      }
    }

    // If we have a routes left, use 'em.

```

1. 这是第一阶段，称为`requirements-stage`。

2. 将 `/tmp` 设置为当前工作目录。

     这是我们生成文件`requirements.txt`的地方

3. 在此阶段安装Poetry。

4. 将`pyproject.toml`和`poetry.lock`文件复制到`/tmp`目录。

     因为它使用 `./poetry.lock*` （以 `*` 结尾），所以如果该文件尚不可用，它不会崩溃。

5. 生成`requirements.txt`文件。

6. 这是最后阶段，这里的任何内容都将保留在最终的容器镜像中。

7. 将当前工作目录设置为`/code`。

8. 将 `requirements.txt` 文件复制到 `/code` 目录。

new APIs so we can get out of alpha.

 *  New: Support Java 21's virtual threads (‘OpenJDK Project Loom’). We changed OkHttp's internals
    to use `Lock` and `Condition` instead of `synchronized` for best resource utilization.

 *  New: Switch our Internationalized Domain Name (IDN) implementation to [UTS #46 Nontransitional

dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> 1712896733 +0000