#cgo LDFLAGS: -g -fsanitize=thread

#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

static void raise_usr2(int signo) {
	raise(SIGUSR2);
}

static void register_handler(int signo) {
	struct sigaction sa;
	memset(&sa, 0, sizeof(sa));
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = SA_ONSTACK;
	sa.sa_handler = raise_usr2;

	if (sigaction(SIGUSR1, &sa, NULL) != 0) {

		abort();
	}
}


// Set up the signal handler in a high priority constructor, so
// that it is installed before the Go code starts.

static void register_handler(void) __attribute__ ((constructor (200)));

static void register_handler() {
	struct sigaction sa;
	memset(&sa, 0, sizeof(sa));
	sigemptyset(&sa.sa_mask);
	sa.sa_flags = SA_SIGINFO;
	sa.sa_sigaction = check_params;

// limitations under the License.

package multicluster

import (
	"istio.io/istio/pkg/cluster"
	"istio.io/istio/pkg/kube"
)

type Fake struct {
	handlers []handler
}

func (f *Fake) registerHandler(h handler) {
	f.handlers = append(f.handlers, h)
}

func (f *Fake) Add(id cluster.ID, client kube.Client, stop chan struct{}) {
	for _, handler := range f.handlers {
		handler.clusterAdded(&Cluster{

	comp := &Component[T]{
		constructor: constructor,
		clusters:    make(map[cluster.ID]T),
	}
	c.registerHandler(comp)
	return comp
}

func (c *Controller) registerHandler(h handler) {
	// Intentionally no lock. The controller today requires that handlers are registered before execution and not in parallel.
	c.handlers = append(c.handlers, h)
}

	registerHandlers[*v1.Service](c, c.services, "Services", c.onServiceEvent, nil)

	c.endpoints = newEndpointSliceController(c)

	// This is for getting the node IPs of a selected set of nodes
	c.nodes = kclient.NewFiltered[*v1.Node](kubeClient, kclient.Filter{ObjectTransform: kubelib.StripNodeUnusedFields})
	registerHandlers[*v1.Node](c, c.nodes, "Nodes", c.onNodeEvent, nil)

  CHECK(corert);
  auto fallback_op_handler = tensorflow::tfd::CreateKernelFallbackOpHandler(
      corert->get(), corert->get()->GetHostContext()->GetHostDeviceRef());
  CHECK(fallback_op_handler);
  corert.get()->RegisterOpHandler("tfkernel", fallback_op_handler.get());
  return std::move(corert.get());
}

tfrt::RCArray<tfrt::AsyncValue> CreateTestArguments(const tfrt::Function* func,

			ObjectFilter: ec.client.ObjectFilter(),
		})
		// Register callbacks for events.
		registerHandlers(ec.Controller, ec.serviceExports, "ServiceExports", ec.onServiceExportEvent, nil)

		// Set the discoverability policy for the clusterset.local host.

From this connection individual requests can be made.

Each handler, with optional subroutes can be registered with the manager using 
`Manager.RegisterXHandler(handlerID, handler, subroutes...)`.

A `Handler()` function provides an HTTP handler, which should be hooked up to the appropriate route on the server.

			ObjectFilter: sic.client.ObjectFilter(),
		})
		// Register callbacks for events.
		registerHandlers(sic.Controller, sic.serviceImports, "ServiceImports", sic.onServiceImportEvent, nil)
		sic.opts.MeshServiceController.AppendServiceHandlerForCluster(sic.Cluster(), sic.onServiceEvent)

		return sic
	}

		n.gatewayResourceClient = kclient.NewDelayedInformer[*v1beta1.Gateway](c.client, gvr.KubernetesGateway, kubetypes.StandardInformer, kubetypes.Filter{})
		// conditionally register this handler
		registerHandlers(c, n.gatewayResourceClient, "Gateways", n.handleGatewayResource, nil)
	}
	return n
}

// setNetworkFromNamespace sets network got from system namespace, returns whether it has changed