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// Copyright (C) 2012 Red Hat Inc.
//
// This file is part of systemtap, and is free software.  You can
// redistribute it and/or modify it under the terms of the GNU General
// Public License (GPL); either version 2, or (at your option) any
// later version.
//

// NB: functionally equivalent to linux/guru-delay.stp

%{
#include <time.h>
%}

function mdelay(ms:long)
{
	udelay(ms * 1000);
}

function udelay(us:long)
%{ /* guru */
	struct timespec ts = {
		STAP_ARG_us / 1000000,
		STAP_ARG_us % 1000000,
	};
	nanosleep(&ts, NULL);
	// XXX spin on EINTR?
%}