time_support_common.c

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// SPDX-License-Identifier: GPL-2.0-or-later
 
/***************************************************************************
 *   Copyright (C) 2006 by Dominic Rath                                    *
 *   Dominic.Rath@gmx.de                                                   *
 *                                                                         *
 *   Copyright (C) 2007,2008 Øyvind Harboe                                 *
 *   oyvind.harboe@zylin.com                                               *
 *                                                                         *
 *   Copyright (C) 2008 by Spencer Oliver                                  *
 *   spen@spen-soft.co.uk                                                  *
 ***************************************************************************/
 
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
 
#include "time_support.h"
 
/* simple and low overhead fetching of ms counter. Use only
 * the difference between ms counters returned from this fn.
 */
int64_t timeval_ms(void)
{
    struct timeval now;
    int retval = gettimeofday(&now, NULL);
    if (retval < 0)
        return retval;
    return (int64_t)now.tv_sec * 1000 + now.tv_usec / 1000;
}