executer.gradleUserHomeDir.file('init.gradle') << 'println "greetings from user home"'

        when:
        run()

        then:
        output.contains("greetings from user home")
    }

    def "executes init scripts from init.d directory in user home dir in alphabetical order"() {
        given:
        executer.requireOwnGradleUserHomeDir()

        and:

        and:
        requirement.classLoaderStructure.spec.classpath.contains(foo.toURI().toURL())
    }

    def "executor executes a given work action in a daemon"() {
        when:
        workerExecutor.processIsolation().submit(TestExecutable.class, Actions.doNothing())

        then:
        1 * workerThreadRegistry.workerThread >> true

    final BlockTarget waitFor = new BlockTarget(instant)

    public final TestExecutor executor = new TestExecutor(logger)
    public final TestExecutorFactory executorFactory = new TestExecutorFactory(executor)

    def setup() {
        instant.mainThread(Thread.currentThread())
    }

    def cleanup() {
        try {
            executor.stop(new Date(System.currentTimeMillis() + 5000))
        } finally {

        when:
        GradleExecuter executor = prepareWrapperExecuter(previous, current).withJavaHome(jdk.javaHome)

        then:
        def result = executor.usingExecutable('gradlew').withArgument('help').runWithFailure()

        outputContains "FINISH [Gradle Test Run :test] [Gradle Test Run :test]\n"
        result.output.readLines().find { it.matches "START \\[Gradle Test Executor \\d+] \\[Gradle Test Executor \\d+]" }
        result.output.readLines().find { it.matches "FINISH \\[Gradle Test Executor \\d+] \\[Gradle Test Executor \\d+]" }
        outputContains "START [Test suite 'Gradle suite'] [Gradle suite]\n"

    val defaultExecuter = "embedded"

    // For all the other executers, add an executer specific task
    testType.executers.forEach { executer ->
        val taskName = "$executer${prefix.capitalize()}Test"
        val testTask = createTestTask(taskName, executer, sourceSet, testType) {}
        if (executer == defaultExecuter) {
            // The test task with the default executer runs with 'check'

        // If the context's default exector is set to async, re-using that in
        // each thread would cause collectives to deadlock. For consistency we
        // create a new sync executor for every thread.
        //
        // TODO(allenl): We should have an async API that works with the
        // parallel device.
        device_(device),
        executor_(

        then:
        instant.thing == operation.thing.end
    }

    static class Worker {
        final Executor executor
        final Object lock = new Object()
        int count

        Worker(Executor executor) {
            this.executor = executor
        }

        void run(Runnable runnable, int timeoutSeconds) {
            def finished = new CountDownLatch(1)

fun createQuickFeedbackTasks() {
    val testType = TestType.CROSSVERSION
    val defaultExecuter = "embedded"
    val prefix = testType.prefix
    testType.executers.forEach { executer ->
        val taskName = "$executer${prefix.capitalize()}Test"
        val testTask = createTestTask(taskName, executer, sourceSet, testType) {
            this.setSystemPropertiesOfTestJVM("latest")
            this.systemProperties["org.gradle.integtest.crossVersion"] = "true"

@ThreadSafe
public interface PlanExecutor {
    /**
     * Executes a {@link WorkSource}, blocking until complete.
     *
     * @param workSource the work to execute.
     * @param worker the actual executor responsible to execute the nodes. Must be thread-safe.
     */
    <T> ExecutionResult<Void> process(WorkSource<T> workSource, Action<T> worker);

    /**