Contiki 2.5
clock.c
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1 /*
2  * Copyright (c) 2005, Swedish Institute of Computer Science.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  *
31  * $Id: clock.c,v 1.3 2009/09/09 21:11:24 adamdunkels Exp $
32  */
33 
34 /**
35  * \file
36  * Clock implementation for Unix.
37  * \author
38  * Adam Dunkels <adam@sics.se>
39  */
40 
41 #include "sys/clock.h"
42 #include <time.h>
43 #include <sys/time.h>
44 
45 /*---------------------------------------------------------------------------*/
46 clock_time_t
47 clock_time(void)
48 {
49  struct timeval tv;
50 
51  gettimeofday(&tv, NULL);
52 
53  return tv.tv_sec * 1000 + tv.tv_usec / 1000;
54 }
55 /*---------------------------------------------------------------------------*/
56 unsigned long
57 clock_seconds(void)
58 {
59  struct timeval tv;
60 
61  gettimeofday(&tv, NULL);
62 
63  return tv.tv_sec;
64 }
65 /*---------------------------------------------------------------------------*/
66 void
67 clock_delay(unsigned int d)
68 {
69  /* Does not do anything. */
70 }
71 /*---------------------------------------------------------------------------*/
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