subprojects {
    apply plugin: "groovy"

    dependencies {
        implementation localGroovy()
    }

    compileJava.options.fork = true

    // force creation of multiple daemons for Java compilation by alternating between two distinct sets of JVM args
    def count = (project.name - "project") as int
    compileJava.options.forkOptions.jvmArgs = count % 2 ? ["-dsa"] : ["-esa"]

        buildFile << """
            apply plugin: 'java'
            ${mavenCentralRepository()}
            dependencies { ${testImplementationConfiguration} 'junit:junit:4.13' }
            compileTestJava.options.fork = true  // forked as 'Gradle Test Executor 1'
        """

        file("src/test/java/example/MyTest.java") << """
            package example;
            public class MyTest {

	// any size, and never returns an error.
	//
	// "The subsystem is re-seeded from the kernel random number subsystem on a
	// regular basis, and also upon fork(2)." - arc4random(3)
	//
	// Note that despite its legacy name, it uses a secure CSPRNG (not RC4) in
	// all supported macOS versions.
	altGetRandom = func(b []byte) error { unix.ARC4Random(b); return nil }

//
//go:nowritebarrier
func newosproc(mp *m) {
	if false {
		print("newosproc mp=", mp, " ostk=", &mp, "\n")
	}
	pid := rfork(_RFPROC | _RFMEM | _RFNOWAIT)
	if pid < 0 {
		throw("newosproc: rfork failed")
	}
	if pid == 0 {
		tstart_plan9(mp)
	}
}

func exitThread(wait *atomic.Uint32) {
	// We should never reach exitThread on Plan 9 because we let

class InProcessJavaCompilerIntegrationTest extends AbstractJavaCompilerIntegrationSpec {

    @Override
    String compilerConfiguration() {
        """
            compileJava.options.with {
                fork = false
            }
        """
    }

    @Override
    String logStatement() {
        "Java compiler API"
    }

            compileJava {
                options.fork = true
                options.forkOptions.executable = "${TextUtil.normaliseFileSeparators(jdk.javacExecutable.absolutePath)}"
            }
        """
    }

    private TestFile configureForkOptionsJavaHome(Jvm jdk) {
        buildFile << """
            compileJava {
                options.fork = true

    testImplementation(testFixtures(project(":logging")))

    jmhImplementation(project(":files"))
    jmhImplementation(project(":base-services"))
}

jmh {
    fork = 1
    threads = 2
    warmupIterations = 10
    synchronizeIterations = false

class CommandLineJavaCompilerIntegrationTest extends AbstractJavaCompilerIntegrationSpec {

    @Override
    String compilerConfiguration() {
        """
            compileJava.options.with {
                fork = true
                forkOptions.javaHome = file("${TextUtil.normaliseFileSeparators(Jvm.current().javaHome.toString())}")
            }
        """
    }

    @Override
    String logStatement() {

class CommandLineJavaCompilerForExecutableIntegrationTest extends AbstractJavaCompilerIntegrationSpec {

    @Override
    String compilerConfiguration() {
        """
            compileJava.options.with {
                fork = true
                forkOptions.executable = "${TextUtil.normaliseFileSeparators(Jvm.current().getExecutable("javac").absolutePath)}"
            }
        """
    }

    @Override
    String logStatement() {

        if (executerType == Executer.embedded && !Charset.forName(defaultCharacterEncoding).equals(Charset.defaultCharset())) {
            // need to fork to apply the new default character encoding
            requireDaemon().requireIsolatedDaemons();
        }
        return super.withDefaultCharacterEncoding(defaultCharacterEncoding);
    }

    @Override