guacamole-spice-protocol/src/libguac/guacamole/timestamp.h

/*
 * Copyright (C) 2013 Glyptodon LLC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */


#ifndef _GUAC_TIME_H
#define _GUAC_TIME_H

/**
 * Provides functions and structures for creating timestamps.
 *
 * @file timestamp.h
 */

#include <stdint.h>

/**
 * An arbitrary timestamp denoting a relative time value in milliseconds.
 */
typedef int64_t guac_timestamp;

/**
 * Returns an arbitrary timestamp. The difference between return values of any
 * two calls is equal to the amount of time in milliseconds between those 
 * calls. The return value from a single call will not have any useful
 * (or defined) meaning.
 *
 * @return An arbitrary millisecond timestamp.
 */
guac_timestamp guac_timestamp_current();

#endif