mirror of https://github.com/python/cpython
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
|
#include "Python.h"
|
||
|
|
|
||
|
|
#ifdef __APPLE__
|
||
|
|
#if defined(HAVE_GETTIMEOFDAY) && defined(HAVE_FTIME)
|
||
|
|
/*
|
||
|
|
* _PyTime_gettimeofday falls back to ftime when getttimeofday fails because the latter
|
||
|
|
* might fail on some platforms. This fallback is unwanted on MacOSX because
|
||
|
|
* that makes it impossible to use a binary build on OSX 10.4 on earlier
|
||
|
|
* releases of the OS. Therefore claim we don't support ftime.
|
||
|
|
*/
|
||
|
|
# undef HAVE_FTIME
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifdef HAVE_FTIME
|
||
|
|
#include <sys/timeb.h>
|
||
|
|
#if !defined(MS_WINDOWS) && !defined(PYOS_OS2)
|
||
|
|
extern int ftime(struct timeb *);
|
||
|
|
#endif /* MS_WINDOWS */
|
||
|
|
#endif /* HAVE_FTIME */
|
||
|
|
|
||
|
|
void
|
||
|
|
_PyTime_gettimeofday(_PyTime_timeval *tp)
|
||
|
|
{
|
||
|
|
/* There are three ways to get the time:
|
||
|
|
(1) gettimeofday() -- resolution in microseconds
|
||
|
|
(2) ftime() -- resolution in milliseconds
|
||
|
|
(3) time() -- resolution in seconds
|
||
|
|
In all cases the return value in a timeval struct.
|
||
|
|
Since on some systems (e.g. SCO ODT 3.0) gettimeofday() may
|
||
|
|
fail, so we fall back on ftime() or time().
|
||
|
|
Note: clock resolution does not imply clock accuracy! */
|
||
|
|
#ifdef HAVE_GETTIMEOFDAY
|
||
|
|
#ifdef GETTIMEOFDAY_NO_TZ
|
||
|
|
if (gettimeofday(tp) == 0)
|
||
|
|
return;
|
||
|
|
#else /* !GETTIMEOFDAY_NO_TZ */
|
||
|
|
if (gettimeofday(tp, (struct timezone *)NULL) == 0)
|
||
|
|
return;
|
||
|
|
#endif /* !GETTIMEOFDAY_NO_TZ */
|
||
|
|
#endif /* !HAVE_GETTIMEOFDAY */
|
||
|
|
#if defined(HAVE_FTIME)
|
||
|
|
{
|
||
|
|
struct timeb t;
|
||
|
|
ftime(&t);
|
||
|
|
tp->tv_sec = t.time;
|
||
|
|
tp->tv_usec = t.millitm * 1000;
|
||
|
|
}
|
||
|
|
#else /* !HAVE_FTIME */
|
||
|
|
tp->tv_sec = time(NULL);
|
||
|
|
tp->tv_usec = 0;
|
||
|
|
#endif /* !HAVE_FTIME */
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
void
|
||
|
|
_PyTime_Init()
|
||
|
|
{
|
||
|
|
/* Do nothing. Needed to force linking. */
|
||
|
|
}
|