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annotate Include/pytime.h @ 78069:a8aa77458e12 3.2

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Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents 62b61abd02b8
children f8409b3d6449
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62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 64988
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1 #ifndef Py_LIMITED_API
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2 #ifndef Py_PYTIME_H
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3 #define Py_PYTIME_H
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5 #include "pyconfig.h" /* include for defines */
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7 /**************************************************************************
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8 Symbols and macros to supply platform-independent interfaces to time related
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9 functions and constants
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10 **************************************************************************/
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11 #ifdef __cplusplus
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12 extern "C" {
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13 #endif
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15 #ifdef HAVE_GETTIMEOFDAY
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16 typedef struct timeval _PyTime_timeval;
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17 #else
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18 typedef struct {
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19 time_t tv_sec; /* seconds since Jan. 1, 1970 */
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20 long tv_usec; /* and microseconds */
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21 } _PyTime_timeval;
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22 #endif
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24 /* Similar to POSIX gettimeofday but cannot fail. If system gettimeofday
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25 * fails or is not available, fall back to lower resolution clocks.
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26 */
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27 PyAPI_FUNC(void) _PyTime_gettimeofday(_PyTime_timeval *tp);
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28
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29 #define _PyTime_ADD_SECONDS(tv, interval) \
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30 do { \
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31 tv.tv_usec += (long) (((long) interval - interval) * 1000000); \
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32 tv.tv_sec += (time_t) interval + (time_t) (tv.tv_usec / 1000000); \
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33 tv.tv_usec %= 1000000; \
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parents: 63951
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34 } while (0)
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35
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36 #define _PyTime_INTERVAL(tv_start, tv_end) \
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37 ((tv_end.tv_sec - tv_start.tv_sec) + \
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38 (tv_end.tv_usec - tv_start.tv_usec) * 0.000001)
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39
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40 /* Dummy to force linking. */
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41 PyAPI_FUNC(void) _PyTime_Init(void);
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42
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43 #ifdef __cplusplus
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44 }
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45 #endif
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46
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47 #endif /* Py_PYTIME_H */
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62b61abd02b8 Merge branches/pep-0384.
Martin v. Löwis <martin@v.loewis.de>
parents: 64988
diff changeset
48 #endif /* Py_LIMITED_API */