func mergeContext(ctx1, ctx2 context.Context) (context.Context, context.CancelFunc) {
	ctx, cancel := context.WithCancel(context.Background())
	go func() {
		select {
		case <-ctx1.Done():
		case <-ctx2.Done():
		// The lock acquirer decides to cancel, exit this goroutine
		case <-ctx.Done():
		}

		cancel()
	}()
	return ctx, cancel
}

func (ld sharedLock) GetLock(ctx context.Context) (context.Context, context.CancelFunc) {

transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go.  This grant does not include claims that would be
infringed only as a consequence of further modification of this

transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go.  This grant does not include claims that would be
infringed only as a consequence of further modification of this

transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go.  This grant does not include claims that would be
infringed only as a consequence of further modification of this

// statement. Some of the print helpers (printslice, for example)
// call print recursively. There is also the problem of a crash
// happening during the print routines and needing to acquire
// the print lock to print information about the crash.
// For both these reasons, let a thread acquire the printlock 'recursively'.

func printlock() {
	mp := getg().m
	mp.locks++ // do not reschedule between printlock++ and lock(&debuglock).
	mp.printlock++

 * assist those clients that employ the repository system outside of an IoC container, Maven plugins should instead
 * always use regular dependency injection to acquire the repository system.
 *
 * @deprecated See {@link MavenSessionBuilderSupplier}
 */
@Deprecated
public final class MavenRepositorySystemUtils {

    private MavenRepositorySystemUtils() {

	id := t.tab.stealID()
	systemstack(func() {
		t.writeString(gen, id, s)
	})
	return id
}

// writeString writes the string to t.buf.
//
// Must run on the systemstack because it acquires t.lock.
//
//go:systemstack
func (t *traceStringTable) writeString(gen uintptr, id uint64, s string) {
	// Truncate the string if necessary.
	if len(s) > maxTraceStringLen {
		s = s[:maxTraceStringLen]
	}

type LeaderElectionRecord struct {
	// HolderIdentity is the ID that owns the lease. If empty, no one owns this lease and
	// all callers may acquire. Versions of this library prior to Kubernetes 1.14 will not
	// attempt to acquire leases with empty identities and will wait for the full lease
	// interval to expire before attempting to reacquire. This value is set to empty when
	// a client voluntarily steps down.

    // and if a containing delegated property accessor is inline,
    // it might need this accessor's bytecode.
    //
    // If an accessor function is defined in a different module,
    // IDE tries to acquire its bytecode via the index, however,
    // the index doesn't cover classfiles from compiler output,
    // so the lowering fails.
    //
    // To solve the problem, we need to find all delegated properties with inline accessors

class CrossProcessFileLockIntegrationTest extends AbstractIntegrationSpec {

    @ToBeFixedForConfigurationCache(skip = INVESTIGATE)
    def "the task history lock can be acquired when the initial owner is busy executing tasks"() {
        createDirs("a", "b")
        settingsFile << "include 'a', 'b'"

        file("a/src/main/java/A.java") << "public class A {}"