import org.gradle.internal.service.scopes.Scope;
import org.gradle.internal.service.scopes.ServiceScope;

@ServiceScope(Scope.Global.class)
public interface JvmMemoryInfo {
    JvmMemoryStatus getJvmSnapshot();

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.process.internal.health.memory;

public class JvmMemoryStatusSnapshot implements JvmMemoryStatus {
    private final long maximumMemory;
    private final long committedMemory;

    public JvmMemoryStatusSnapshot(long maximumMemory, long commitedMemory) {
        this.maximumMemory = maximumMemory;

     */
    long getCommittedMemory() {
        //querying runtime for each invocation
        return Runtime.getRuntime().totalMemory();
    }

    @Override
    public JvmMemoryStatus getJvmSnapshot() {
        return new JvmMemoryStatusSnapshot(getMaxMemory(), getCommittedMemory());
    }

import org.gradle.internal.logging.LoggingManagerInternal
import org.gradle.process.JavaForkOptions
import org.gradle.process.internal.health.memory.DefaultMBeanAttributeProvider
import org.gradle.process.internal.health.memory.JvmMemoryStatus
import org.gradle.process.internal.health.memory.MBeanOsMemoryInfo
import org.gradle.process.internal.health.memory.MaximumHeapHelper
import org.gradle.process.internal.health.memory.MemoryAmount

                    MemoryManager manager = services.get(MemoryManager.class)
                    manager.addListener(new JvmMemoryStatusListener() {
                        void onJvmMemoryStatus(JvmMemoryStatus memoryStatus) {
                            logger.lifecycle "JVM MemoryStatus notification: $memoryStatus"
                            projectDir.file("jvmReceived").asFile.createNewFile()

        def worker = builder.build()
        def process = worker.start()

        then:
        ConcurrentTestUtil.poll {
            assert process.jvmMemoryStatus.committedMemory > 0
        }

        cleanup:
        worker?.stop()
    }

    def "propagates failure thrown by method in worker process"() {
        when:

                if (osMemoryStatusSupported) {
                    OsMemoryStatus os = osMemoryInfo.getOsSnapshot();
                    osBroadcast.onOsMemoryStatus(os);
                }
                JvmMemoryStatus jvm = jvmMemoryInfo.getJvmSnapshot();
                jvmBroadcast.onJvmMemoryStatus(jvm);
            } catch (Throwable t) {

Class <org.gradle.process.internal.health.memory.JvmMemoryStatus> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (JvmMemoryStatus.java:0)