run gtk main loop in sub thread

hello.cc

// hello.cc
// g++ -std=c++0x hello.cc `pkg-config --libs --cflags gtk+-2.0` && ./a.out 

#include <thread>
#include <functional>

#include <gtk/gtk.h>

bool done = false;

void quit(GtkWidget *, gpointer)
{
	done = true;
	gtk_main_quit();
}

void destroy(GtkWidget *, gpointer window)
{
	gtk_widget_destroy(GTK_WIDGET(window));
}

void run(int argc, char *argv[])
{
	GtkWidget *window, *button;
	gtk_init(&argc, &argv);

	window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
	button = gtk_button_new_with_label("exit");

	gtk_signal_connect(GTK_OBJECT(window), "destroy", GTK_SIGNAL_FUNC(quit),    NULL);
	gtk_signal_connect(GTK_OBJECT(button), "clicked", GTK_SIGNAL_FUNC(destroy), window);

	gtk_container_add(GTK_CONTAINER(window), button);
	gtk_widget_show_all(window);
	gtk_main();
}

int main(int argc, char *argv[])
{
	std::thread thrd(std::bind(run, argc, argv));
	int i=0;
	while (!done) 
	{
		printf("%d\n", ++i);
		sleep(1);
	}
	thrd.join();
	return 0;
}