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annotate Python/pytime.c @ 69888:8752a81ada2d

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faulthandler: dump all threads by default * Set the default value of all_threads arguments to True * Py_FatalError() dumps all threads, instead of only the current thread Dump only the current thread is not reliable. In some cases, Python is unable to retrieve the state of the current thread and so is unable to dump the traceback. faulthandler keeps a reference to the interpreter and so is always able to dump the traceback of all threads.
author Victor Stinner <victor.stinner@haypocalc.com>
date Sat, 07 May 2011 12:43:00 +0200
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
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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
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3 #ifdef __APPLE__
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4 #if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_FTIME)
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5 /*
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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
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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
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8 * that makes it impossible to use a binary build on OSX 10.4 on earlier
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9 * releases of the OS. Therefore claim we don't support ftime.
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10 */
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11 # undef HAVE_FTIME
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12 #endif
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13 #endif
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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
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16 #include <sys/timeb.h>
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17 #if !defined(MS_WINDOWS) && !defined(PYOS_OS2)
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18 extern int ftime(struct timeb *);
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19 #endif /* MS_WINDOWS */
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20 #endif /* HAVE_FTIME */
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21
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22 void
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23 _PyTime_gettimeofday(_PyTime_timeval *tp)
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24 {
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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
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27 (2) ftime() -- resolution in milliseconds
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28 (3) time() -- resolution in seconds
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29 In all cases the return value in a timeval struct.
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30 Since on some systems (e.g. SCO ODT 3.0) gettimeofday() may
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31 fail, so we fall back on ftime() or time().
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32 Note: clock resolution does not imply clock accuracy! */
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33 #ifdef HAVE_GETTIMEOFDAY
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34 #ifdef GETTIMEOFDAY_NO_TZ
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35 if (gettimeofday(tp) == 0)
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36 return;
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37 #else /* !GETTIMEOFDAY_NO_TZ */
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38 if (gettimeofday(tp, (struct timezone *)NULL) == 0)
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39 return;
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40 #endif /* !GETTIMEOFDAY_NO_TZ */
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41 #endif /* !HAVE_GETTIMEOFDAY */
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42 #if defined(HAVE_FTIME)
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43 {
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44 struct timeb t;
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45 ftime(&t);
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46 tp->tv_sec = t.time;
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47 tp->tv_usec = t.millitm * 1000;
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48 }
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49 #else /* !HAVE_FTIME */
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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
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56 void
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57 _PyTime_Init()
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58 {
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59 /* Do nothing. Needed to force linking. */
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60 }