gettimeofday.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#pragma ident "%Z%%M% %I% %E% SMI"
/*LINTLIBRARY*/
#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#include <unistd.h>
#include <errno.h>
#include <sys/syscall.h>
#include "libc.h"
/*
* Get the time of day information.
* BSD compatibility on top of SVr4 facilities:
* u_sec always zero, and don't do anything with timezone pointer.
*/
/*
* This is defined in sys/gettimeofday.s
* This extern cannot be in libc.h due to name conflict with port/gen/synonyms.h
*/
extern int _gettimeofday(struct timeval *);
/*ARGSUSED*/
int
gettimeofday(struct timeval *tp, void *tzp)
{
if (tp == NULL)
return (0);
return (_gettimeofday(tp));
}
/*
* Set the time.
* Don't do anything with the timezone information.
*/
/*ARGSUSED*/
int
settimeofday(struct timeval *tp, void *tzp)
{
time_t t; /* time in seconds */
if (tp == NULL)
return (0);
t = (time_t) tp->tv_sec;
if (tp->tv_usec >= 500000)
/* round up */
t++;
return (stime(&t));
}