2013-04-06 16:48:33 +02:00

115 lines
4.2 KiB
C

/*-
* Copyright (C) 2001-2003 by NBMK Encryption Technologies.
* All rights reserved.
*
* NBMK Encryption Technologies provides no support of any kind for
* this software. Questions or concerns about it may be addressed to
* the members of the relevant open-source community at
* <tech-crypto@netbsd.org>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*****************************************************************************
* @(#) n8_time.h 1.4@(#)
*****************************************************************************/
/*****************************************************************************/
/** @file n8_time.h
* @brief Time manipulation functions in a os independent manner.
*
* This file contains the data structures and function prototypes needed
* to manipulate time values in an OS independent manner.
*
*****************************************************************************/
/*****************************************************************************
* Revision history:
* 03/12/03 jpw Added n8_delay_ms
* 08/17/01 msz Original version.
****************************************************************************/
#ifndef _N8_TIME_H
#define _N8_TIME_H
#include "n8_pub_types.h"
#include "n8_pub_errors.h"
/*****************************************************************************
* #defines
*****************************************************************************/
#define N8_MICROSECS_IN_SECOND 1000000
/*****************************************************************************
* Structures/type definitions
*****************************************************************************/
typedef struct
{
uint32_t tv_sec; /* Seconds. */
uint32_t tv_usec; /* Microseconds. */
} n8_timeval_t;
/*****************************************************************************
* Function prototypes
*****************************************************************************/
/* Get current timeval */
N8_Status_t
n8_gettime( n8_timeval_t *n8_timeResults );
/* Get seconds from timeval */
uint32_t
n8_timesecs( n8_timeval_t *n8_timeResults );
/* Get microseconds from timeval */
uint32_t
n8_timeusecs( n8_timeval_t *n8_timeResults );
/* Subtract two n8_timevals, n8_timeResults = n8_time2 - n8_time1 */
N8_Status_t
n8_subtime( n8_timeval_t *n8_timeResults,
n8_timeval_t *n8_time2,
n8_timeval_t *n8_time1 );
/* Add two n8_timevals, n8_timeResults = n8_time2 + n8_time1 */
N8_Status_t
n8_addtime( n8_timeval_t *n8_timeResults,
n8_timeval_t *n8_time2,
n8_timeval_t *n8_time1 );
/* Sleep usec seconds. */
N8_Status_t
n8_usleep(unsigned int usecs);
#if 0
/* Sleep milliseconds. */
N8_Status_t
n8_delay_ms(unsigned int milliseconds);
#endif
#endif