Neste caso, a função da tarefa escreverá em um arquivo (simulando o envio de um e-mail).

E como a operação de escrita não usa `async` e `await`, definimos a função com um `def` normal:

{* ../../docs_src/background_tasks/tutorial001_py310.py hl[6:9] *}

## Adicione a tarefa em segundo plano { #add-the-background-task }

        CountDownLatch latch = new CountDownLatch(shards.size());
        for (int i = 0; i < shards.size(); i++) {
            consumer.consumeResult(shards.get(i), () -> latch.countDown());
        }
        latch.await();
        SearchPhaseController.ReducedQueryPhase phase = consumer.reduce();
        executor.shutdownNow();
        return phase;
    }

    ImmutableList.Builder<Future<?>> futures = ImmutableList.builder();
    for (int i = 0; i < threadCount; i++) {
      futures.add(
          executor.submit(
              () -> {
                barrier.await();
                Integer first = graph.nodes().iterator().next();
                for (Integer node : graph.nodes()) {
                  Set<Integer> unused = graph.successors(node);
                }
                /*

* `app` : l'objet créé dans `main.py` avec la ligne `app = FastAPI()`.

C'est équivalent à :

```Python
from main import app
```

///

Chaque programme de serveur ASGI alternatif aurait une commande similaire, vous pouvez en lire plus dans leur documentation respective.

/// warning | Alertes

Uvicorn et d'autres serveurs prennent en charge une option `--reload` utile pendant le développement.

			manager.debugMsg(debugShutdown)
		}
		for _, server := range t.Servers {
			server.Close()
		}
		for _, listener := range t.Listeners {
			listener.Close()
		}
	})
}

// WaitAllConnect will wait for all connections to be established.
func (t *TestGrid) WaitAllConnect(ctx context.Context) {
	for _, manager := range t.Managers {
		for _, remote := range manager.Targets() {
			if manager.HostName() == remote {

                logger.error("Failed to update suggest index.", t);
                exitCode.set(1);
                latch.countDown();
            });

            try {
                latch.await();
            } catch (final InterruptedException ignore) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Interrupted.", ignore);
                }
                exitCode.set(1);

minio server --address 127.0.0.1:9004 "http://127.0.0.1:9003/tmp/multisiteb/data/disterasure/xl{1...4}" \
	"http://127.0.0.1:9004/tmp/multisiteb/data/disterasure/xl{5...8}" >/tmp/siteb_2.log 2>&1 &

# Wait to make sure all MinIO instances are up

export MC_HOST_sitea=http://minioadmin:minioadmin@127.0.0.1:9001
export MC_HOST_siteb=http://minioadmin:minioadmin@127.0.0.1:9004

./mc ready sitea
./mc ready siteb

# Special characters for example : ',",<,>,{,}
MINIO_ACCESSKEY_SECRETKEY_TMP="/tmp/accessKey_and_secretKey_tmp"

# connectToMinio
# Use a check-sleep-check loop to wait for MinIO service to be available
connectToMinio() {
  SCHEME=$1
  ATTEMPTS=0 ; LIMIT=29 ; # Allow 30 attempts
  set -e ; # fail if we can't read the keys.

}

// TryLockedOpenFile - tries a new write lock, functionality
// it is similar to LockedOpenFile with with syscall.LOCK_EX
// mode but along with syscall.LOCK_NB such that the function
// doesn't wait forever but instead returns if it cannot
// acquire a write lock.
func TryLockedOpenFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {
	return lockedOpenFile(path, flag, perm, syscall.F_SETLK)
}

	wg := sync.WaitGroup{}
	wg.Add(1000)
	for i := 0; i < 1000; i++ {
		go func(i int) {
			lc.Add(fmt.Sprintf("key-%d", i/10), fmt.Sprintf("val-%d", i/10))
			wg.Done()
		}(i)
	}
	wg.Wait()
	if lc.Len() != 100 {
		t.Fatalf("length differs from expected")
	}
}

func TestLRUInvalidateAndEvict(t *testing.T) {
	var evicted int
	lc := lru.NewLRU(-1, func(_, _ string) { evicted++ }, 0)