/*
* 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 (c) 1990, 2011, Oracle and/or its affiliates. All rights reserved.
*
* 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 (including the next
* paragraph) 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.
*/
/*-
* 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(void)
{
struct timeval now;
gettimeofday(&now, (struct timezone *) 0);
return now.tv_sec;
}