File: unistd.h

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/*
 * This file is part of the OpenKinect Project. http://www.openkinect.org
 *
 * Copyright (c) 2010 individual OpenKinect contributors. See the CONTRIB file
 * for details.
 *
 * This code is licensed to you under the terms of the Apache License, version
 * 2.0, or, at your option, the terms of the GNU General Public License,
 * version 2.0. See the APACHE20 and GPL2 files for the text of the licenses,
 * or the following URLs:
 * http://www.apache.org/licenses/LICENSE-2.0
 * http://www.gnu.org/licenses/gpl-2.0.txt
 *
 * If you redistribute this file in source form, modified or unmodified, you
 * may:
 *   1) Leave this header intact and distribute it under the same terms,
 *      accompanying it with the APACHE20 and GPL20 files, or
 *   2) Delete the Apache 2.0 clause and accompany it with the GPL2 file, or
 *   3) Delete the GPL v2 clause and accompany it with the APACHE20 file
 * In all cases you must keep the copyright notice intact and include a copy
 * of the CONTRIB file.
 *
 * Binary distributions must follow the binary distribution requirements of
 * either License.
 */

#pragma once

#include <stdint.h>
#include <windows.h>

// MinGW defines _SSIZE_T_DEFINED in sys/types.h when it defines ssize_t to be a long.
// Redefining it causes an error.
// MSVC does not define this.
#ifndef _SSIZE_T_DEFINED
#define _SSIZE_T_DEFINED
typedef long ssize_t;
#endif // _SSIZE_T_DEFINED


static void usleep(__int64 usec)
{
	// Convert to 100 nanosecond interval, negative for relative time.
	LARGE_INTEGER ft;
	ft.QuadPart = -(10 * usec);

	HANDLE timer = CreateWaitableTimer(NULL, TRUE, NULL);
	SetWaitableTimer(timer, &ft, 0, NULL, NULL, 0);
	WaitForSingleObject(timer, INFINITE);
	CloseHandle(timer);
}