// threads to call into Go from different stacks without crashing due to g0
// stack bounds checks.
//
// N.B. This is only OK for threads created in C. Threads with Go frames up the
// stack must not change the stack out from under us.
func StackSwitchCallback() {
	C.callStackSwitchCallbackFromThread()

	fmt.Printf("OK\n")

class WindowCounter(
  val streamId: Int,
) {
  /** The total number of bytes consumed. */
  var total: Long = 0L
    private set

  /** The total number of bytes acknowledged by outgoing `WINDOW_UPDATE` frames. */
  var acknowledged: Long = 0L
    private set

  val unacknowledged: Long
    @Synchronized get() = total - acknowledged

  @Synchronized
  fun update(
    total: Long = 0,
    acknowledged: Long = 0,

  val showHeaders: Boolean by option("-i", "--include", help = "Include protocol headers in the output").flag()

  val showHttp2Frames: Boolean by option("--frames", help = "Log HTTP/2 frames to STDERR").flag()

  val referer: String? by option("-e", "--referer", help = "Referer URL")

  val verbose: Boolean by option("-v", "--verbose", help = "Makes $NAME verbose during the operation").flag()

	{"-O2"},
	{"-Osmall"},
	{"-W"},
	{"-Wall"},
	{"-Wp,-Dfoo=bar"},
	{"-Wp,-Ufoo"},
	{"-Wp,-Dfoo1"},
	{"-Wp,-Ufoo1"},
	{"-flto"},
	{"-fobjc-arc"},
	{"-fno-objc-arc"},
	{"-fomit-frame-pointer"},
	{"-fno-omit-frame-pointer"},
	{"-fpic"},
	{"-fno-pic"},
	{"-fPIC"},
	{"-fno-PIC"},
	{"-fpie"},
	{"-fno-pie"},
	{"-fPIE"},
	{"-fno-PIE"},
	{"-fsplit-stack"},
	{"-fno-split-stack"},
	{"-fstack-xxx"},

        when:
        processTask.call()

        then:
        def e = thrown(Throwable)
        def root = Throwables.getRootCause(e)
        root.message == errorMsg
        root.stackTrace.any { frame -> frame.className == throwingClass }
        !Throwables.getCausalChain(e).any { c -> c.class == InvocationTargetException.class }

        where:

			break
		}
		if p.Pos.Xlogue() == src.PosPrologueEnd {
			break
		}
	}
	if pushbp == nil {
		ctxt.Diag("missing frame pointer instruction: PUSHQ BP")
		return
	}

	// It must be followed by a MOVQ SP, BP.
	movbp := pushbp.Link
	if movbp == nil {
		ctxt.Diag("missing frame pointer instruction: MOVQ SP, BP")
		return
	}
	if !(movbp.As == AMOVQ && movbp.From.Type == obj.TYPE_REG && movbp.From.Reg == REG_SP &&

	"runtime"
	"unsafe"
)

// runtime_FrameStartLine is defined in runtime/symtab.go.
//
//go:noescape
func runtime_FrameStartLine(f *runtime.Frame) int

// runtime_FrameSymbolName is defined in runtime/symtab.go.
//
//go:noescape
func runtime_FrameSymbolName(f *runtime.Frame) string

// runtime_expandFinalInlineFrame is defined in runtime/symtab.go.
func runtime_expandFinalInlineFrame(stk []uintptr) []uintptr

class GradleImplDepsPerformanceIntegrationTest extends BaseGradleImplDepsIntegrationTest {

    @ToBeFixedForConfigurationCache(skip = ToBeFixedForConfigurationCache.Skip.FLAKY)
    def "Gradle API JAR is generated in an acceptable time frame"() {
        buildFile << """
            configurations {
                deps
            }

            dependencies {
                deps gradleApi()
            }
        """

	// Hopefully a normal Go thread will get the profiling
	// signal at least once every few seconds.
	extra      [1000]uintptr
	numExtra   int
	lostExtra  uint64 // count of frames lost because extra is full
	lostAtomic uint64 // count of frames lost because of being in atomic64 on mips/arm; updated racily
}

var cpuprof cpuProfile

// SetCPUProfileRate sets the CPU profiling rate to hz samples per second.

                return element
            }
        }

        return null
    }

    private
    fun exceptionSummaryFrom(frame: StackTraceElement) = StructuredMessage.build {
        text("at ")
        reference(frame.toString())
    }

    private
    class PartitioningFailurePrinterListener(
        private val buffer: StringBuilder
    ) : FailurePrinterListener {