/*
 * Copyright (c) 1988-91 by Patrick J. Naughton.
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and that
 * both that copyright notice and this permission notice appear in
 * supporting documentation.
 *
 * This file is provided AS IS with no warranties of any kind.  The author
 * shall have no liability with respect to the infringement of copyrights,
 * trade secrets or any patents by this file or any part thereof.  In no
 * event will the author be liable for any lost revenue or profits or
 * other special, indirect and consequential damages.
 */

/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 *
 * 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, and/or sell copies of the Software, and to permit persons
 * to whom the Software is furnished to do so, provided that the above
 * copyright notice(s) and this permission notice appear in all copies of
 * the Software and that both the above copyright notice(s) and this
 * permission notice appear in supporting documentation.
 *
 * 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
 * OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
 * INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
 * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Except as contained in this notice, the name of a copyright holder
 * shall not be used in advertising or otherwise to promote the sale, use
 * or other dealings in this Software without prior written authorization
 * of the copyright holder.
 */
#ifndef lint
static char sccsid[] = "@(#)usleep.c	35.5 08/09/18 XLOCK";
#endif
/*-
 * usleep.c - OS dependant implementation of usleep().
 *
 * Copyright (c) 1991 by Patrick J. Naughton.
 *
 * Revision History:
 * 30-Aug-90: written.
 *
 */

#include "xlock.h"

#ifndef sun  /* Solaris provides in libc */
int
usleep(usec)
    unsigned long usec;
{
#ifdef SYSV
    poll((struct pollfd *) 0, (size_t) 0, usec / 1000);	/* ms resolution */
#else
    struct timeval timeout;
    timeout.tv_usec = usec % (unsigned long) 1000000;
    timeout.tv_sec = usec / (unsigned long) 1000000;
    select(0, (void *) 0, (void *) 0, (void *) 0, &timeout);
#endif
    return 0;
}
#endif

/*
 * returns the number of seconds since 01-Jan-70.
 * This is used to control rate and timeout in many of the animations.
 */
long
seconds()
{
    struct timeval now;

    gettimeofday(&now, (struct timezone *) 0);
    return now.tv_sec;
}