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annotate Python/pytime.c @ 74458:169fbbac2dec

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move LINENO define to where it actually belongs
author Benjamin Peterson <benjamin@python.org>
date Mon, 16 Jan 2012 17:29:05 -0500
parents c16803bbd790
children bee7943d38c6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
63757
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents:
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1 #include "Python.h"
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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2
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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3 #ifdef __APPLE__
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4 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_FTIME)
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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5 /*
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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6 * _PyTime_gettimeofday falls back to ftime when getttimeofday fails because the latter
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents:
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7 * might fail on some platforms. This fallback is unwanted on MacOSX because
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
Alexander Belopolsky <alexander.belopolsky@gmail.com>
parents:
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8 * that makes it impossible to use a binary build on OSX 10.4 on earlier
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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9 * releases of the OS. Therefore claim we don't support ftime.
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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10 */
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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11 # undef HAVE_FTIME
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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12 #endif
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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13 #endif
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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14
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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15 #ifdef HAVE_FTIME
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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16 #include <sys/timeb.h>
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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17 #if !defined(MS_WINDOWS) && !defined(PYOS_OS2)
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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18 extern int ftime(struct timeb *);
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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19 #endif /* MS_WINDOWS */
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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20 #endif /* HAVE_FTIME */
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21
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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22 void
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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23 _PyTime_gettimeofday(_PyTime_timeval *tp)
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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24 {
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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25 /* There are three ways to get the time:
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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26 (1) gettimeofday() -- resolution in microseconds
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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27 (2) ftime() -- resolution in milliseconds
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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28 (3) time() -- resolution in seconds
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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29 In all cases the return value in a timeval struct.
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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30 Since on some systems (e.g. SCO ODT 3.0) gettimeofday() may
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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31 fail, so we fall back on ftime() or time().
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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32 Note: clock resolution does not imply clock accuracy! */
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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33 #ifdef HAVE_GETTIMEOFDAY
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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34 #ifdef GETTIMEOFDAY_NO_TZ
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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35 if (gettimeofday(tp) == 0)
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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36 return;
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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37 #else /* !GETTIMEOFDAY_NO_TZ */
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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38 if (gettimeofday(tp, (struct timezone *)NULL) == 0)
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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39 return;
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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40 #endif /* !GETTIMEOFDAY_NO_TZ */
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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41 #endif /* !HAVE_GETTIMEOFDAY */
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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42 #if defined(HAVE_FTIME)
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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43 {
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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44 struct timeb t;
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45 ftime(&t);
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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46 tp->tv_sec = t.time;
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47 tp->tv_usec = t.millitm * 1000;
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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48 }
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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49 #else /* !HAVE_FTIME */
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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50 tp->tv_sec = time(NULL);
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51 tp->tv_usec = 0;
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52 #endif /* !HAVE_FTIME */
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53 return;
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54 }
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55
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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56 void
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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57 _PyTime_Init()
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58 {
c16803bbd790 Issue #9079: Added _PyTime_gettimeofday(_PyTime_timeval *tp) to C API
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59 /* Do nothing. Needed to force linking. */
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60 }