This is still true.

So, to be able to have **multiple processes** at the same time, there has to be a **single process listening on a port** that then transmits the communication to each worker process in some way.

### Memory per Process

import org.gradle.process.internal.health.memory.OsMemoryInfo;
import org.gradle.process.internal.worker.WorkerJvmMemoryInfoSerializer;
import org.gradle.process.internal.worker.WorkerLoggingSerializer;
import org.gradle.process.internal.worker.WorkerProcessContext;
import org.gradle.process.internal.worker.messaging.WorkerConfig;
import org.gradle.process.internal.worker.messaging.WorkerConfigSerializer;

		"--mark", inpodMark,
		"-j", "CONNMARK",
		"--set-xmark", inpodTproxyMark)

	// Handle healthcheck probes from the host node. In the host netns, before the packet enters the pod, we SNAT
	// the healthcheck packet to a fixed IP if the packet is coming from a node-local process with a socket.
	//
	// We do this so we can exempt this traffic from ztunnel capture/proxy - otherwise both kube-proxy (legit)

    @Subject classProcessor = new TestNGTestClassProcessor(dir.testDirectory, spec, [], new LongIdGenerator(), Time.clock(), new TestActorFactory())

    void process(Class... clazz) {
        process(clazz*.name)
    }

    void process(Iterable<String> classNames) {
        classProcessor.startProcessing(processor)
        for (String c : classNames) {

import org.gradle.internal.remote.ObjectConnection;
import org.gradle.process.ExecResult;
import org.gradle.process.internal.ExecHandle;
import org.gradle.process.internal.JavaExecHandleBuilder;
import org.gradle.process.internal.JavaExecHandleFactory;
import org.gradle.process.internal.health.memory.JvmMemoryStatus;
import org.gradle.process.internal.health.memory.MemoryAmount;
import org.gradle.process.internal.health.memory.MemoryManager;

        try {
            Process process = new ProcessBuilder().command(args).start();
            CountDownLatch latch = new CountDownLatch(2);
            ByteArrayOutputStream stdout = connectStream(process.getInputStream(), latch);
            ByteArrayOutputStream stderr = connectStream(process.getErrorStream(), latch);

            process.waitFor(1, TimeUnit.MINUTES);

	// Run passes it to os.StartProcess as the os.ProcAttr's Sys field.
	SysProcAttr *syscall.SysProcAttr

	// Process is the underlying process, once started.
	Process *os.Process

	// ProcessState contains information about an exited process.
	// If the process was started successfully, Wait or Run will
	// populate its ProcessState when the command completes.
	ProcessState *os.ProcessState

import org.gradle.launcher.daemon.toolchain.DaemonJavaToolchainQueryService;
import org.gradle.launcher.daemon.toolchain.DaemonJvmCriteria;
import org.gradle.process.internal.DefaultExecActionFactory;
import org.gradle.process.internal.ExecHandle;
import org.gradle.process.internal.JvmOptions;
import org.gradle.util.GradleVersion;
import org.gradle.util.internal.CollectionUtils;
import org.gradle.util.internal.GFileUtils;

	// number in the parent process.
	Foreground bool
	Pgid       int // Child's process group ID if Setpgid.
	// Pdeathsig, if non-zero, is a signal that the kernel will send to
	// the child process when the creating thread dies. Note that the signal
	// is sent on thread termination, which may happen before process termination.
	// There are more details at https://go.dev/issue/27505.
	Pdeathsig    Signal
	Cloneflags   uintptr        // Flags for clone calls.

                    phase("generate-sources"),
                    phase("process-sources"),
                    phase("generate-resources"),
                    phase("process-resources"),
                    phase("compile"),
                    phase("process-classes"),
                    phase("generate-test-sources"),
                    phase("process-test-sources"),
                    phase("generate-test-resources"),