source: rtems/cpukit/libcsupport/src/__gettod.c @ ac7d5ef0

4.104.114.84.95
Last change on this file since ac7d5ef0 was ac7d5ef0, checked in by Joel Sherrill <joel.sherrill@…>, on May 11, 1995 at 5:39:37 PM

Initial revision

  • Property mode set to 100644
File size: 1.7 KB
Line 
1#if !defined(RTEMS_UNIX)
2/*
3 *  RTEMS gettimeofday Implementation
4 *
5 *
6 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
7 *  On-Line Applications Research Corporation (OAR).
8 *  All rights assigned to U.S. Government, 1994.
9 *
10 *  This material may be reproduced by or for the U.S. Government pursuant
11 *  to the copyright license under the clause at DFARS 252.227-7013.  This
12 *  notice must appear in all copies of this file and its derivatives.
13 *
14 *  $Id$
15 */
16
17#include <rtems.h>
18
19#ifdef RTEMS_NEWLIB
20#include <sys/reent.h>
21#endif
22#include <time.h>
23#include <sys/time.h>
24#include <errno.h>
25#include <assert.h>
26
27/*
28 *  NOTE:  The solaris gettimeofday does not have a second parameter.
29 */
30
31int gettimeofday(
32   struct timeval  *tp,
33   struct timezone *tzp
34)
35{
36  rtems_status_code      status;
37  rtems_clock_time_value time;
38
39  if ( !tp || !tzp ) {
40    errno = EFAULT;
41    return -1;
42  }
43
44  /* "POSIX" does not seem to allow for not having a TOD */
45  status = rtems_clock_get( RTEMS_CLOCK_GET_TIME_VALUE, &time );
46  if ( status != RTEMS_SUCCESSFUL ) {
47    assert( 0 );
48    return -1;
49  }
50
51  tp->tv_sec  = time.seconds;
52  tp->tv_usec = time.microseconds;
53
54#if 0
55  tzp->minuteswest = timezone / 60; /* from seconds to minutes */
56  tzp->dsttime = daylight;
57#endif
58
59  /*
60   * newlib does not have timezone and daylight savings time
61   * yet.  When it does this needs to be fixed.
62   */
63
64  tzp->tz_minuteswest = 0;  /* at UTC */
65  tzp->tz_dsttime = 0;      /* no daylight savings */
66  return 0;
67}
68
69/*
70 *  "Reentrant" versions of the above routines implemented above.
71 */
72
73#if 0
74int _gettimeofday_r(
75   struct _reent   *ignored_reentrancy_stuff,
76   struct timeval  *tp,
77   struct timezone *tzp
78)
79{
80  return gettimeofday( tp, tzp );
81}
82#endif
83
84#endif
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