Contiki-Inga 3.x
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  */
32 
33 /**
34  * \file
35  * Clock implementation for Unix.
36  * \author
37  * Adam Dunkels <adam@sics.se>
38  */
39 
40 #include "sys/clock.h"
41 #include <time.h>
42 #include <sys/time.h>
43 
44 /*---------------------------------------------------------------------------*/
45 clock_time_t
46 clock_time(void)
47 {
48  struct timeval tv;
49 
50  gettimeofday(&tv, NULL);
51 
52  return tv.tv_sec * 1000 + tv.tv_usec / 1000;
53 }
54 /*---------------------------------------------------------------------------*/
55 unsigned long
56 clock_seconds(void)
57 {
58  struct timeval tv;
59 
60  gettimeofday(&tv, NULL);
61 
62  return tv.tv_sec;
63 }
64 /*---------------------------------------------------------------------------*/
65 void
66 clock_delay(unsigned int d)
67 {
68  /* Does not do anything. */
69 }
70 /*---------------------------------------------------------------------------*/
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