trace/postprocess/trace-pagealloc-postprocess.pl [50:69]:
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sub sigint_handler {
	my $current_time = time;
	if ($current_time - 2 > $sigint_received) {
		print "SIGINT received, report pending. Hit ctrl-c again to exit\n";
		$sigint_report = 1;
	} else {
		if (!$sigint_exit) {
			print "Second SIGINT received quickly, exiting\n";
		}
		$sigint_exit++;
	}

	if ($sigint_exit > 3) {
		print "Many SIGINTs received, exiting now without report\n";
		exit;
	}

	$sigint_received = $current_time;
	$sigint_pending = 1;
}
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trace/postprocess/trace-vmscan-postprocess.pl [81:100]:
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sub sigint_handler {
	my $current_time = time;
	if ($current_time - 2 > $sigint_received) {
		print "SIGINT received, report pending. Hit ctrl-c again to exit\n";
		$sigint_report = 1;
	} else {
		if (!$sigint_exit) {
			print "Second SIGINT received quickly, exiting\n";
		}
		$sigint_exit++;
	}

	if ($sigint_exit > 3) {
		print "Many SIGINTs received, exiting now without report\n";
		exit;
	}

	$sigint_received = $current_time;
	$sigint_pending = 1;
}
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