spin.h

/*
  +----------------------------------------------------------------------+
  | PHP Version 7                                                        |
  +----------------------------------------------------------------------+
  | Copyright (c) 1997-2016 The PHP Group                                |
  +----------------------------------------------------------------------+
  | This source file is subject to version 3.01 of the PHP license,      |
  | that is bundled with this package in the file LICENSE, and is        |
  | available through the world-wide-web at the following url:           |
  | http://www.php.net/license/3_01.txt                                  |
  | If you did not receive a copy of the PHP license and are unable to   |
  | obtain it through the world-wide-web, please send a note to          |
  | license@php.net so we can mail you a copy immediately.               |
  +----------------------------------------------------------------------+
  | Author: maben <www.maben@foxmail.com>                                |
  +----------------------------------------------------------------------+
*/

#ifndef __SPIN_H
#define __SPIN_H

typedef volatile unsigned int spin_t;

void spin_init();
void spin_lock(spin_t *lock);
void spin_unlock(spin_t *lock);

#endif

/*
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