import okhttp3.internal.http2.Http2Stream
import okhttp3.internal.http2.Http2Writer

/**
 * Centralisation of central locks according to docs/contribute/concurrency.md
 */
internal object Locks {
  inline fun <T> Dispatcher.withLock(action: () -> T): T {
    contract { callsInPlace(action, InvocationKind.EXACTLY_ONCE) }
    return lock.withLock(action)
  }

  inline fun <T> RealConnection.withLock(action: () -> T): T {

        and:
        def lockA = sharedResourceLeaseRegistry.getResourceLock('resource-a')
        def lockB = sharedResourceLeaseRegistry.getResourceLock('resource-b')

        when:
        coordinationService.withStateLock(lock(lockA))
        coordinationService.withStateLock(lock(lockB))

        then:
        lockIsHeld(lockA)
        lockIsHeld(lockB)

        when:

		dst.Code = dsync.RespErr
		dst.Err = err.Error()
	}
	return dst, nil
}

const (
	// Lock maintenance interval.
	lockMaintenanceInterval = 1 * time.Minute

	// Lock validity duration
	lockValidityDuration = 1 * time.Minute
)

// lockMaintenance loops over all locks and discards locks
// that have not been refreshed for some time.
func lockMaintenance(ctx context.Context) {

	AmzObjectLockRetainUntilDate     = "X-Amz-Object-Lock-Retain-Until-Date"
	AmzObjectLockMode                = "X-Amz-Object-Lock-Mode"
	AmzObjectLockLegalHold           = "X-Amz-Object-Lock-Legal-Hold"
)

var (
	// ErrMalformedBucketObjectConfig -indicates that the bucket object lock config is malformed
	ErrMalformedBucketObjectConfig = errors.New("invalid bucket object lock config")

		for {
			select {
			case <-ctx.Done():
				return
			case <-lkctx.Context().Done():
				// The context of the lock is canceled, this can happen
				// if one lock lost quorum due to cluster instability
				// in that case, try to lock again.
				break keepLock
			case ld.lockContext <- lkctx:
				// Send the lock context to anyone asking for it
			}
		}
	}
}

apiVersion: release-notes/v2
kind: bug-fix
area: traffic-management
releaseNotes:
  - |

)

func mutexContended(l *mutex) bool {
	return false
}

func lock(l *mutex) {
	lockWithRank(l, getLockRank(l))
}

func lock2(l *mutex) {
	if l.key == mutex_locked {
		// wasm is single-threaded so we should never
		// observe this.
		throw("self deadlock")
	}
	gp := getg()
	if gp.m.locks < 0 {
		throw("lock count")
	}
	gp.m.locks++
	l.key = mutex_locked
}

func unlock(l *mutex) {

		// No possibility of lock ordering problem if no other locks held
		return
	}

	systemstack(func() {
		i := gp.m.locksHeldLen
		if i >= len(gp.m.locksHeld) {
			throw("too many locks held concurrently for rank checking")
		}
		// Temporarily add this lock to the locksHeld list, so
		// checkRanks() will print out list, including this lock, if there
		// is a lock ordering problem.

	// Attempt all calls.
	_, err = lkClient.RLock(context.Background(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for Rlock to fail")
	}

	_, err = lkClient.Lock(context.Background(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for Lock to fail")
	}

	_, err = lkClient.RUnlock(context.Background(), dsync.LockArgs{})
	if err == nil {
		t.Fatal("Expected for RUnlock to fail")
	}

Brian Sonnenberg <******@****.***> 1716576125 -0700