// channel so that the work function can attempt to exit gracefully.
// Multiple calls to Run will run independently of each other.
func (d *DeadlineWorker) Run(work func() error) error {
	_, err := WithDeadline[struct{}](context.Background(), d.timeout, func(ctx context.Context) (struct{}, error) {
		return struct{}{}, work()
	})
	return err
}

// DeadlineWriter deadline writer with timeout
type DeadlineWriter struct {
	io.WriteCloser

	xioutil.SafeClose(saverQuitCh)

	// Notify expire jobs final status to the configured endpoint
	buf, _ := json.Marshal(ri)
	if err := r.Notify(context.Background(), bytes.NewReader(buf)); err != nil {
		batchLogIf(context.Background(), fmt.Errorf("unable to notify %v", err))
	}

	return nil
}

//msgp:ignore batchExpireJobError
type batchExpireJobError struct {
	Code           string

	setup, err := newErasureTestSetup(b, data, parity, blockSizeV2)
	if err != nil {
		b.Fatalf("failed to create test setup: %v", err)
	}
	disks := setup.disks
	erasure, err := NewErasure(context.Background(), data, parity, blockSizeV2)
	if err != nil {
		b.Fatalf("failed to create ErasureStorage: %v", err)
	}

	writers := make([]io.Writer, len(disks))
	for i, disk := range disks {
		if disk == nil {

///

## Dependências com `yield`, `HTTPException`, `except` e Tarefas em Segundo Plano { #dependencies-with-yield-httpexception-except-and-background-tasks }

/// warning | Atenção

Muito provavelmente você não precisa desses detalhes técnicos.

/// note | Технические детали

Если у вас есть зависимости с `yield`, то код выхода (код после `yield`) будет выполняться *после* middleware.

Если были какие‑либо фоновые задачи (рассматриваются в разделе [Фоновые задачи](background-tasks.md){.internal-link target=_blank}, вы увидите это позже), они будут запущены *после* всех middleware.

///

## Создание middleware { #create-a-middleware }

)

const contextAuditKey = contextKeyType("audit-entry")

// SetAuditEntry sets Audit info in the context.
func SetAuditEntry(ctx context.Context, audit *audit.Entry) context.Context {
	if ctx == nil {
		LogIf(context.Background(), "audit", fmt.Errorf("context is nil"))
		return nil
	}
	return context.WithValue(ctx, contextAuditKey, audit)
}

// GetAuditEntry returns Audit entry if set.
func GetAuditEntry(ctx context.Context) *audit.Entry {

	for _, t := range r.tags {
		tagsMap[t.Key] = t.Val
	}
}

// SetReqInfo sets ReqInfo in the context.
func SetReqInfo(ctx context.Context, req *ReqInfo) context.Context {
	if ctx == nil {
		LogIf(context.Background(), "", fmt.Errorf("context is nil"))
		return nil
	}
	return context.WithValue(ctx, contextLogKey, req)
}

// GetReqInfo returns ReqInfo if set.
func GetReqInfo(ctx context.Context) *ReqInfo {

	buf, err := args.MarshalMsg(nil)
	if err != nil {
		return false, err
	}
	body := bytes.NewReader(buf)
	respBody, err := restClient.rest.Call(context.Background(), method,
		url.Values{}, body, body.Size())
	defer xhttp.DrainBody(respBody)

	switch toLockError(err) {
	case nil:
		return true, nil
	case errLockConflict, errLockNotFound:
		return false, nil

    Note over dep_req: ✅ Abhängigkeit geschlossen
```

## Abhängigkeiten mit `yield`, `HTTPException`, `except` und Hintergrundtasks { #dependencies-with-yield-httpexception-except-and-background-tasks }

Abhängigkeiten mit `yield` haben sich im Laufe der Zeit weiterentwickelt, um verschiedene Anwendungsfälle abzudecken und einige Probleme zu beheben.

// GlobalContext context that is canceled when server is requested to shut down.
// cancelGlobalContext can be used to indicate server shutdown.
var GlobalContext, cancelGlobalContext = context.WithCancel(context.Background())

// restartProcess starts a new process passing it the active fd's. It
// doesn't fork, but starts a new process using the same environment and
// arguments as when it was originally started. This allows for a newly