src/common/timercmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        timercmn.cpp
   3 // Purpose:     Common timer implementation
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 //#pragma implementation "timercmn.h"
  14 #pragma implementation
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/defs.h"
  26 #include "wx/list.h"
  27 #endif
  28
  29 #include "wx/timer.h"
  30
  31 #ifdef __SVR4__
  32 #define __SYSV__
  33 #endif
  34
  35 #include <time.h>
  36
  37 #ifndef __WXMAC__
  38 #include <sys/types.h>
  39 #endif
  40
  41 #if (!defined(__SC__) && !defined(__SGI__) && !defined(__GNUWIN32__) && !defined(__MWERKS__)) || defined(__MINGW32__)
  42 #include <sys/timeb.h>
  43 #endif
  44
  45 #if defined(__linux__) || defined(__SVR4__) || defined(__SYSV__) || defined(__SGI__) || \
  46     defined(__ALPHA__) || defined(__GNUWIN32__) || defined(__FreeBSD__) || defined(__NetBSD__) || \
  47     defined(__SALFORDC__)
  48 #include <sys/time.h>
  49 #endif
  50
  51 #ifdef __MINGW32__
  52 #include "windows.h"
  53 #endif
  54
  55 #if defined(__SUN__) || defined(__OSF__)
  56 // At least on Sun, ftime is undeclared.
  57 // Need to be verified on other platforms.
  58 extern "C" int ftime(struct timeb *tp);
  59 // extern "C" time_t time(time_t);
  60 // #include <sys/timeb.h>
  61 #if defined(__SVR4__) && !defined(__ALPHA__)
  62 // ditto for gettimeofday on Solaris 2.x.
  63 extern "C" int gettimeofday(struct timeval *tp, void *);
  64 #endif
  65 #endif
  66
  67 /*
  68  * Timer functions
  69  *
  70  */
  71
  72 long wxStartTime = 0;
  73 void wxStartTimer(void)
  74 {
  75 #if defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) // || defined(__AIXV3__)
  76   struct timeval tp;
  77 #if defined(__SYSV__) || (defined (__GNUWIN32__) && !defined (__MINGW32__))
  78   gettimeofday(&tp, (struct timezone *)NULL);
  79 #else
  80   gettimeofday(&tp);
  81 #endif
  82   wxStartTime = 1000*tp.tv_sec + tp.tv_usec/1000;
  83 #elif (defined(__SC__) || defined(__SGI__) || defined(___BSDI__) || defined(__ALPHA__) || defined(__MINGW32__) || defined(__MWERKS__))
  84   time_t t0;
  85   struct tm *tp;
  86   time(&t0);
  87   tp = localtime(&t0);
  88   wxStartTime = 1000*(60*(60*tp->tm_hour+tp->tm_min)+tp->tm_sec);
  89 #else
  90   struct timeb tp;
  91   ftime(&tp);
  92   wxStartTime = 1000*tp.time + tp.millitm;
  93 #endif
  94 }
  95
  96 // Returns elapsed time in milliseconds
  97 long wxGetElapsedTime(bool resetTimer)
  98 {
  99 #if defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) // || defined(__AIXV3__)
 100   struct timeval tp;
 101 #if defined(__SYSV__) || (defined (__GNUWIN32__) && !defined (__MINGW32__))
 102   gettimeofday(&tp, (struct timezone *)NULL);
 103 #else
 104   gettimeofday(&tp);
 105 #endif
 106   long oldTime = wxStartTime;
 107   long newTime = 1000*tp.tv_sec + tp.tv_usec / 1000;
 108   if (resetTimer)
 109     wxStartTime = newTime;
 110 #elif (defined(__SC__) || defined(__SGI__) || defined(___BSDI__) || defined(__ALPHA__) || defined(__MINGW32__)|| defined(__MWERKS__))
 111   time_t t0;
 112   struct tm *tp;
 113   time(&t0);
 114   tp = localtime(&t0);
 115   long oldTime = wxStartTime;
 116   long newTime = 1000*(60*(60*tp->tm_hour+tp->tm_min)+tp->tm_sec);
 117   if (resetTimer)
 118     wxStartTime = newTime;
 119 #else
 120   struct timeb tp;
 121   ftime(&tp);
 122   long oldTime = wxStartTime;
 123   long newTime = 1000*tp.time + tp.millitm;
 124   if (resetTimer)
 125     wxStartTime = newTime;
 126 #endif
 127   return newTime - oldTime;
 128 }
 129
 130 // EXPERIMENTAL: comment this out if it doesn't compile.
 131 #ifndef __VMS__
 132 bool wxGetLocalTime(long *timeZone, int *dstObserved)
 133 {
 134 #if defined(__MINGW32__) && defined(__EGCS__)
 135   time_t t0;
 136   struct tm *tp;
 137   time(&t0);
 138   tp = localtime(&t0);
 139   *timeZone = timezone; // tp->tm_gmtoff; // ???
 140   *dstObserved = tp->tm_isdst;
 141 #elif defined(__MINGW32__)
 142   time_t t0;
 143   struct tm *tp;
 144   time(&t0);
 145   tp = localtime(&t0);
 146   timeb tz;
 147   ftime(& tz);
 148   *timeZone = tz._timezone;
 149   *dstObserved = tp->tm_isdst;
 150 #else
 151
 152 #if (((defined(__SYSV__) && !defined(__HPUX__)) || defined(__MSDOS__) || defined(__WXMSW__))\
 153    && !defined(__GNUWIN32__) && !defined(__MWERKS__) )
 154 #if defined(__BORLANDC__)
 155   /* Borland uses underscores */
 156   *timeZone = _timezone;
 157   *dstObserved = _daylight;
 158 #elif defined(__SALFORDC__)
 159   *timeZone = _timezone;
 160   *dstObserved = daylight;
 161 #else
 162   *timeZone = timezone;
 163   *dstObserved = daylight;
 164 #endif
 165 #elif defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) || defined(__MWERKS__) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) // || defined(__AIXV3__)
 166 #ifndef __MWERKS__ // shouldn't this be one scope below ?
 167   struct timeval tp;
 168 #endif
 169 #if defined(__SYSV__) || (defined(__GNUWIN32__) && !defined(__MINGW32))
 170   struct timezone tz;
 171   gettimeofday(&tp, &tz);
 172   *timeZone = 60*(tz.tz_minuteswest);
 173   *dstObserved = tz.tz_dsttime;
 174 #else
 175   time_t t0;
 176   struct tm *tp;
 177   time(&t0);
 178   tp = localtime(&t0);
 179 #ifndef __MWERKS__
 180   *timeZone = tp->tm_gmtoff; // ???
 181 #else
 182   *timeZone = 0 ;
 183 #endif
 184   *dstObserved = tp->tm_isdst;
 185 #endif
 186 #elif defined(__WXSTUBS__)
 187   return FALSE;
 188 #else
 189 // #error wxGetLocalTime not implemented.
 190   struct timeval tp;
 191   struct timezone tz;
 192   gettimeofday(&tp, &tz);
 193   *timeZone = 60*(tz.tz_minuteswest);
 194   *dstObserved = tz.tz_dsttime;
 195 #endif
 196 #endif
 197   // __MINGW32__
 198   return TRUE;
 199 }
 200 #endif
 201
 202 // Get number of seconds since 00:00:00 GMT, Jan 1st 1970.
 203 long wxGetCurrentTime(void)
 204 {
 205 #if defined(__xlC__) || defined(__AIX__) || defined(__SVR4__) || defined(__SYSV__) // || defined(__AIXV3__)
 206   struct timeval tp;
 207 #if defined(__SYSV__) || (defined (__GNUWIN32__) && !defined (__MINGW32__))
 208   gettimeofday(&tp, (struct timezone *)NULL);
 209 #else
 210   gettimeofday(&tp);
 211 #endif
 212   return tp.tv_sec;
 213 #else // (defined(__SC__) || defined(__SGI__) || defined(___BSDI__) || defined(__ALPHA__))
 214   return time(0);
 215 #endif
 216 /*
 217 #else
 218   struct timeb tp;
 219   ftime(&tp);
 220   return tp.time;
 221 #endif
 222 */
 223 }
 224