atomic.CompareAndSwapUint32(&res, 0, 1)

		Semrelease1(&sema, true, 0)
		close(done)
	}()
	for SemNwait(&sema) == 0 {
		Gosched() // wait for goroutine to block in Semacquire
	}

	// The crux of the test: we release the semaphore with handoff
	// and immediately perform a CAS both here and in the waiter; we
	// want the CAS in the waiter to execute first.
	Semrelease1(&sema, true, 0)
	atomic.CompareAndSwapUint32(&res, 0, 2)

			break
		}
	}
	if s.releasetime > 0 {
		blockevent(s.releasetime-t0, 3+skipframes)
	}
	releaseSudog(s)
}

func semrelease(addr *uint32) {
	semrelease1(addr, false, 0)
}

func semrelease1(addr *uint32, handoff bool, skipframes int) {
	root := semtable.rootFor(addr)
	atomic.Xadd(addr, 1)

	// Easy case: no waiters?

				return false
			}

			runtime.Semacquire(&sem)
			runtime.Semrelease1(&sem, false, 0)
			if runtime.MutexContended(runtime.SemRootLock(&sem)) {
				sawContention.Add(1)
			}
			return true
		}

		stks := [][]string{
			{
				"runtime.unlock",
				"runtime.semrelease1",
				"runtime_test.TestRuntimeLockMetricsAndProfile.func6.1",

var MutexContended = mutexContended

func SemRootLock(addr *uint32) *mutex {
	root := semtable.rootFor(addr)
	return &root.lock
}

var Semacquire = semacquire
var Semrelease1 = semrelease1

func SemNwait(addr *uint32) uint32 {
	root := semtable.rootFor(addr)
	return root.nwait.Load()
}

const SemTableSize = semTabSize

	// other calls to traceAdvance.
	semrelease1(&traceAdvanceSema, true, 0)

	if stopTrace {
		// Stop the traceAdvancer. We can't be holding traceAdvanceSema here because
		// we'll deadlock (we're blocked on the advancer goroutine exiting, but it
		// may be currently trying to acquire traceAdvanceSema).
		traceAdvancer.stop()
		semrelease(&traceShutdownSema)
	}
}

	// worldsema must be held over startTheWorldWithSema to ensure
	// gomaxprocs cannot change while worldsema is held.
	//
	// Release worldsema with direct handoff to the next waiter, but
	// acquirem so that semrelease1 doesn't try to yield our time.
	//
	// Otherwise if e.g. ReadMemStats is being called in a loop,
	// it might stomp on other attempts to stop the world, such as

func runtime_SemacquireMutex(s *uint32, lifo bool, skipframes int)
func runtime_SemacquireRWMutexR(s *uint32, lifo bool, skipframes int)
func runtime_SemacquireRWMutex(s *uint32, lifo bool, skipframes int)

// Semrelease atomically increments *s and notifies a waiting goroutine
// if one is blocked in Semacquire.
// It is intended as a simple wakeup primitive for use by the synchronization
// library and should not be used directly.

        Versioning versioning = new Versioning();
        versioning.addVersion(artifact.getBaseVersion());
        if (!artifact.isSnapshot()) {
            versioning.setRelease(artifact.getBaseVersion());
        }
        if ("maven-plugin".equals(artifact.getProperty(ArtifactProperties.TYPE, ""))) {
            versioning.setLatest(artifact.getBaseVersion());
        }

    }

    /** {@inheritDoc} */
    public boolean isRelease() {
        return artifact.isRelease();
    }

    /** {@inheritDoc} */
    public void setRelease(boolean release) {
        artifact.setRelease(release);
    }

    /** {@inheritDoc} */
    public List<ArtifactVersion> getAvailableVersions() {
        return artifact.getAvailableVersions();
    }

    void setSourceFiles(Iterable<File> sourceFiles);

    List<File> getCompileClasspath();

    void setCompileClasspath(List<File> classpath);

    @Nullable
    Integer getRelease();

    void setRelease(@Nullable Integer release);

    @Nullable
    String getSourceCompatibility();

    void setSourceCompatibility(@Nullable String sourceCompatibility);

    @Nullable
    String getTargetCompatibility();