source: rtems/c/src/exec/posix/src/clocksettime.c @ e180a77e

4.104.114.84.95
Last change on this file since e180a77e was e180a77e, checked in by Joel Sherrill <joel.sherrill@…>, on 01/04/02 at 18:28:24

2002-01-04 Ralf Corsepius <corsepiu@…>

  • src/clockgetres.c: Apply rtems_set_errno_and_return_minus_one.
  • src/clockgettime.c: Apply rtems_set_errno_and_return_minus_one.
  • src/clocksettime.c: Apply rtems_set_errno_and_return_minus_one.
  • src/killinfo.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueueclose.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuecreatesupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuegetattr.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuenotify.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueueopen.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuerecvsupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuesendsupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueuesetattr.c: Apply rtems_set_errno_and_return_minus_one.
  • src/mqueueunlink.c: Apply rtems_set_errno_and_return_minus_one.
  • src/nanosleep.c: Apply rtems_set_errno_and_return_minus_one.
  • src/pthreadkill.c: Apply rtems_set_errno_and_return_minus_one.
  • src/pthreadsigmask.c: Apply rtems_set_errno_and_return_minus_one.
  • src/ptimer1.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sched.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semaphorecreatesupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semaphorewaitsupp.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semclose.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semdestroy.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semgetvalue.c: Apply rtems_set_errno_and_return_minus_one.
  • src/seminit.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semopen.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sempost.c: Apply rtems_set_errno_and_return_minus_one.
  • src/semunlink.c: Apply rtems_set_errno_and_return_minus_one.
  • src/setpgid.c: Apply rtems_set_errno_and_return_minus_one.
  • src/setsid.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigaction.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigaddset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigdelset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigemptyset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigfillset.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigismember.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigpending.c: Apply rtems_set_errno_and_return_minus_one.
  • src/sigtimedwait.c: Apply rtems_set_errno_and_return_minus_one.
  • src/utsname.c: Apply rtems_set_errno_and_return_minus_one.
  • Property mode set to 100644
File size: 1.9 KB
Line 
1/*
2 *  $Id$
3 */
4
5#if HAVE_CONFIG_H
6#include "config.h"
7#endif
8
9#include <assert.h>
10#include <time.h>
11#include <errno.h>
12
13#include <rtems/system.h>
14#include <rtems/score/isr.h>
15#include <rtems/score/thread.h>
16#include <rtems/score/tod.h>
17
18#include <rtems/seterr.h>
19#include <rtems/posix/time.h>
20
21/*PAGE
22 *
23 *  14.2.1 Clocks, P1003.1b-1993, p. 263
24 */
25
26int clock_settime(
27  clockid_t              clock_id,
28  const struct timespec *tp
29)
30{
31  struct tm         split_time;
32  TOD_Control       tod;
33  Watchdog_Interval seconds;
34
35  assert( tp );
36
37  switch ( clock_id ) {
38 
39    case CLOCK_REALTIME:
40      (void) gmtime_r( &tp->tv_sec, &split_time );
41 
42      /*
43       *  Convert the tm structure format to that used by the TOD Handler
44       *
45       *  NOTE: TOD Handler does not honor leap seconds.
46       */
47
48      tod.year   = split_time.tm_year + 1900;  /* RHS is years since 1900 */
49      tod.month  = split_time.tm_mon + 1;      /* RHS uses 0-11 */
50      tod.day    = split_time.tm_mday;
51      tod.hour   = split_time.tm_hour;
52      tod.minute = split_time.tm_min;
53      tod.second = split_time.tm_sec;  /* RHS allows 0-61 for leap seconds */
54
55      tod.ticks  = (tp->tv_nsec / TOD_NANOSECONDS_PER_MICROSECOND) /
56                      _TOD_Microseconds_per_tick;
57
58      if ( !_TOD_Validate( &tod ) )
59        rtems_set_errno_and_return_minus_one( EINVAL );
60 
61      /*
62       *  We can't use the tp->tv_sec field because it is based on
63       *  a different EPOCH.
64       */
65
66      seconds = _TOD_To_seconds( &tod );
67      _Thread_Disable_dispatch();
68        _TOD_Set( &tod, seconds );
69      _Thread_Enable_dispatch();
70      break;
71 
72#ifdef _POSIX_CPUTIME
73    case CLOCK_PROCESS_CPUTIME:
74      return POSIX_NOT_IMPLEMENTED();
75      break;
76#endif
77 
78#ifdef _POSIX_THREAD_CPUTIME
79    case CLOCK_THREAD_CPUTIME:
80      return POSIX_NOT_IMPLEMENTED();
81      break;
82#endif
83    default:
84      rtems_set_errno_and_return_minus_one( EINVAL );
85 
86  }
87  return 0;
88}
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