Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.

1 files changed, 1089 insertions, 1089 deletions

diff --git a/contrib/tools/python3/src/Python/pytime.c b/contrib/tools/python3/src/Python/pytime.c
index a9af757243..a612ecdbd8 100644
--- a/contrib/tools/python3/src/Python/pytime.c
+++ b/contrib/tools/python3/src/Python/pytime.c
@@ -1,734 +1,734 @@
-#include "Python.h"
-#ifdef MS_WINDOWS
+#include "Python.h" 
+#ifdef MS_WINDOWS 
 #include <winsock2.h>         /* struct timeval */
-#endif
-
-#if defined(__APPLE__)
-#include <mach/mach_time.h>   /* mach_absolute_time(), mach_timebase_info() */
+#endif 
+ 
+#if defined(__APPLE__) 
+#include <mach/mach_time.h>   /* mach_absolute_time(), mach_timebase_info() */ 
 
 #if defined(__APPLE__) && defined(__has_builtin)
 #  if __has_builtin(__builtin_available)
 #    define HAVE_CLOCK_GETTIME_RUNTIME __builtin_available(macOS 10.12, iOS 10.0, tvOS 10.0, watchOS 3.0, *)
 #  endif
+#endif 
 #endif
-#endif
-
-#define _PyTime_check_mul_overflow(a, b) \
-    (assert(b > 0), \
-     (_PyTime_t)(a) < _PyTime_MIN / (_PyTime_t)(b) \
-     || _PyTime_MAX / (_PyTime_t)(b) < (_PyTime_t)(a))
-
-/* To millisecond (10^-3) */
-#define SEC_TO_MS 1000
-
-/* To microseconds (10^-6) */
-#define MS_TO_US 1000
-#define SEC_TO_US (SEC_TO_MS * MS_TO_US)
-
-/* To nanoseconds (10^-9) */
-#define US_TO_NS 1000
-#define MS_TO_NS (MS_TO_US * US_TO_NS)
-#define SEC_TO_NS (SEC_TO_MS * MS_TO_NS)
-
-/* Conversion from nanoseconds */
-#define NS_TO_MS (1000 * 1000)
-#define NS_TO_US (1000)
-
-static void
-error_time_t_overflow(void)
-{
-    PyErr_SetString(PyExc_OverflowError,
-                    "timestamp out of range for platform time_t");
-}
-
-static void
-_PyTime_overflow(void)
-{
-    PyErr_SetString(PyExc_OverflowError,
-                    "timestamp too large to convert to C _PyTime_t");
-}
-
-
-_PyTime_t
-_PyTime_MulDiv(_PyTime_t ticks, _PyTime_t mul, _PyTime_t div)
-{
-    _PyTime_t intpart, remaining;
-    /* Compute (ticks * mul / div) in two parts to prevent integer overflow:
-       compute integer part, and then the remaining part.
-
-       (ticks * mul) / div == (ticks / div) * mul + (ticks % div) * mul / div
-
-       The caller must ensure that "(div - 1) * mul" cannot overflow. */
-    intpart = ticks / div;
-    ticks %= div;
-    remaining = ticks * mul;
-    remaining /= div;
-    return intpart * mul + remaining;
-}
-
-
-time_t
-_PyLong_AsTime_t(PyObject *obj)
-{
-#if SIZEOF_TIME_T == SIZEOF_LONG_LONG
-    long long val;
-    val = PyLong_AsLongLong(obj);
-#else
-    long val;
-    Py_BUILD_ASSERT(sizeof(time_t) <= sizeof(long));
-    val = PyLong_AsLong(obj);
-#endif
-    if (val == -1 && PyErr_Occurred()) {
-        if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
-            error_time_t_overflow();
-        }
-        return -1;
-    }
-    return (time_t)val;
-}
-
-PyObject *
-_PyLong_FromTime_t(time_t t)
-{
-#if SIZEOF_TIME_T == SIZEOF_LONG_LONG
-    return PyLong_FromLongLong((long long)t);
-#else
-    Py_BUILD_ASSERT(sizeof(time_t) <= sizeof(long));
-    return PyLong_FromLong((long)t);
-#endif
-}
-
-/* Round to nearest with ties going to nearest even integer
-   (_PyTime_ROUND_HALF_EVEN) */
-static double
-_PyTime_RoundHalfEven(double x)
-{
-    double rounded = round(x);
-    if (fabs(x-rounded) == 0.5) {
-        /* halfway case: round to even */
-        rounded = 2.0*round(x/2.0);
-    }
-    return rounded;
-}
-
-static double
-_PyTime_Round(double x, _PyTime_round_t round)
-{
-    /* volatile avoids optimization changing how numbers are rounded */
-    volatile double d;
-
-    d = x;
-    if (round == _PyTime_ROUND_HALF_EVEN) {
-        d = _PyTime_RoundHalfEven(d);
-    }
-    else if (round == _PyTime_ROUND_CEILING) {
-        d = ceil(d);
-    }
-    else if (round == _PyTime_ROUND_FLOOR) {
-        d = floor(d);
-    }
-    else {
-        assert(round == _PyTime_ROUND_UP);
-        d = (d >= 0.0) ? ceil(d) : floor(d);
-    }
-    return d;
-}
-
-static int
-_PyTime_DoubleToDenominator(double d, time_t *sec, long *numerator,
-                            long idenominator, _PyTime_round_t round)
-{
-    double denominator = (double)idenominator;
-    double intpart;
-    /* volatile avoids optimization changing how numbers are rounded */
-    volatile double floatpart;
-
-    floatpart = modf(d, &intpart);
-
-    floatpart *= denominator;
-    floatpart = _PyTime_Round(floatpart, round);
-    if (floatpart >= denominator) {
-        floatpart -= denominator;
-        intpart += 1.0;
-    }
-    else if (floatpart < 0) {
-        floatpart += denominator;
-        intpart -= 1.0;
-    }
-    assert(0.0 <= floatpart && floatpart < denominator);
-
-    if (!_Py_InIntegralTypeRange(time_t, intpart)) {
-        error_time_t_overflow();
-        return -1;
-    }
-    *sec = (time_t)intpart;
-    *numerator = (long)floatpart;
-    assert(0 <= *numerator && *numerator < idenominator);
-    return 0;
-}
-
-static int
-_PyTime_ObjectToDenominator(PyObject *obj, time_t *sec, long *numerator,
-                            long denominator, _PyTime_round_t round)
-{
-    assert(denominator >= 1);
-
-    if (PyFloat_Check(obj)) {
-        double d = PyFloat_AsDouble(obj);
-        if (Py_IS_NAN(d)) {
-            *numerator = 0;
-            PyErr_SetString(PyExc_ValueError, "Invalid value NaN (not a number)");
-            return -1;
-        }
-        return _PyTime_DoubleToDenominator(d, sec, numerator,
-                                           denominator, round);
-    }
-    else {
-        *sec = _PyLong_AsTime_t(obj);
-        *numerator = 0;
-        if (*sec == (time_t)-1 && PyErr_Occurred()) {
-            return -1;
-        }
-        return 0;
-    }
-}
-
-int
-_PyTime_ObjectToTime_t(PyObject *obj, time_t *sec, _PyTime_round_t round)
-{
-    if (PyFloat_Check(obj)) {
-        double intpart;
-        /* volatile avoids optimization changing how numbers are rounded */
-        volatile double d;
-
-        d = PyFloat_AsDouble(obj);
-        if (Py_IS_NAN(d)) {
-            PyErr_SetString(PyExc_ValueError, "Invalid value NaN (not a number)");
-            return -1;
-        }
-
-        d = _PyTime_Round(d, round);
-        (void)modf(d, &intpart);
-
-        if (!_Py_InIntegralTypeRange(time_t, intpart)) {
-            error_time_t_overflow();
-            return -1;
-        }
-        *sec = (time_t)intpart;
-        return 0;
-    }
-    else {
-        *sec = _PyLong_AsTime_t(obj);
-        if (*sec == (time_t)-1 && PyErr_Occurred()) {
-            return -1;
-        }
-        return 0;
-    }
-}
-
-int
-_PyTime_ObjectToTimespec(PyObject *obj, time_t *sec, long *nsec,
-                         _PyTime_round_t round)
-{
-    return _PyTime_ObjectToDenominator(obj, sec, nsec, SEC_TO_NS, round);
-}
-
-int
-_PyTime_ObjectToTimeval(PyObject *obj, time_t *sec, long *usec,
-                        _PyTime_round_t round)
-{
-    return _PyTime_ObjectToDenominator(obj, sec, usec, SEC_TO_US, round);
-}
-
-_PyTime_t
-_PyTime_FromSeconds(int seconds)
-{
-    _PyTime_t t;
-    /* ensure that integer overflow cannot happen, int type should have 32
-       bits, whereas _PyTime_t type has at least 64 bits (SEC_TO_MS takes 30
-       bits). */
-    Py_BUILD_ASSERT(INT_MAX <= _PyTime_MAX / SEC_TO_NS);
-    Py_BUILD_ASSERT(INT_MIN >= _PyTime_MIN / SEC_TO_NS);
-
-    t = (_PyTime_t)seconds;
-    assert((t >= 0 && t <= _PyTime_MAX / SEC_TO_NS)
-           || (t < 0 && t >= _PyTime_MIN / SEC_TO_NS));
-    t *= SEC_TO_NS;
-    return t;
-}
-
-_PyTime_t
-_PyTime_FromNanoseconds(_PyTime_t ns)
-{
-    /* _PyTime_t already uses nanosecond resolution, no conversion needed */
-    return ns;
-}
-
-int
-_PyTime_FromNanosecondsObject(_PyTime_t *tp, PyObject *obj)
-{
-    long long nsec;
-    _PyTime_t t;
-
-    if (!PyLong_Check(obj)) {
-        PyErr_Format(PyExc_TypeError, "expect int, got %s",
-                     Py_TYPE(obj)->tp_name);
-        return -1;
-    }
-
-    Py_BUILD_ASSERT(sizeof(long long) == sizeof(_PyTime_t));
-    nsec = PyLong_AsLongLong(obj);
-    if (nsec == -1 && PyErr_Occurred()) {
-        if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
-            _PyTime_overflow();
-        }
-        return -1;
-    }
-
-    /* _PyTime_t already uses nanosecond resolution, no conversion needed */
-    t = (_PyTime_t)nsec;
-    *tp = t;
-    return 0;
-}
-
-#ifdef HAVE_CLOCK_GETTIME
-static int
-pytime_fromtimespec(_PyTime_t *tp, struct timespec *ts, int raise)
-{
-    _PyTime_t t, nsec;
-    int res = 0;
-
-    Py_BUILD_ASSERT(sizeof(ts->tv_sec) <= sizeof(_PyTime_t));
-    t = (_PyTime_t)ts->tv_sec;
-
-    if (_PyTime_check_mul_overflow(t, SEC_TO_NS)) {
-        if (raise) {
-            _PyTime_overflow();
-        }
-        res = -1;
-        t = (t > 0) ? _PyTime_MAX : _PyTime_MIN;
-    }
-    else {
-        t = t * SEC_TO_NS;
-    }
-
-    nsec = ts->tv_nsec;
-    /* The following test is written for positive only nsec */
-    assert(nsec >= 0);
-    if (t > _PyTime_MAX - nsec) {
-        if (raise) {
-            _PyTime_overflow();
-        }
-        res = -1;
-        t = _PyTime_MAX;
-    }
-    else {
-        t += nsec;
-    }
-
-    *tp = t;
-    return res;
-}
-
-int
-_PyTime_FromTimespec(_PyTime_t *tp, struct timespec *ts)
-{
-    return pytime_fromtimespec(tp, ts, 1);
-}
-#endif
-
-#if !defined(MS_WINDOWS)
-static int
-pytime_fromtimeval(_PyTime_t *tp, struct timeval *tv, int raise)
-{
-    _PyTime_t t, usec;
-    int res = 0;
-
-    Py_BUILD_ASSERT(sizeof(tv->tv_sec) <= sizeof(_PyTime_t));
-    t = (_PyTime_t)tv->tv_sec;
-
-    if (_PyTime_check_mul_overflow(t, SEC_TO_NS)) {
-        if (raise) {
-            _PyTime_overflow();
-        }
-        res = -1;
-        t = (t > 0) ? _PyTime_MAX : _PyTime_MIN;
-    }
-    else {
-        t = t * SEC_TO_NS;
-    }
-
-    usec = (_PyTime_t)tv->tv_usec * US_TO_NS;
-    /* The following test is written for positive only usec */
-    assert(usec >= 0);
-    if (t > _PyTime_MAX - usec) {
-        if (raise) {
-            _PyTime_overflow();
-        }
-        res = -1;
-        t = _PyTime_MAX;
-    }
-    else {
-        t += usec;
-    }
-
-    *tp = t;
-    return res;
-}
-
-int
-_PyTime_FromTimeval(_PyTime_t *tp, struct timeval *tv)
-{
-    return pytime_fromtimeval(tp, tv, 1);
-}
-#endif
-
-static int
-_PyTime_FromDouble(_PyTime_t *t, double value, _PyTime_round_t round,
-                   long unit_to_ns)
-{
-    /* volatile avoids optimization changing how numbers are rounded */
-    volatile double d;
-
-    /* convert to a number of nanoseconds */
-    d = value;
-    d *= (double)unit_to_ns;
-    d = _PyTime_Round(d, round);
-
-    if (!_Py_InIntegralTypeRange(_PyTime_t, d)) {
-        _PyTime_overflow();
-        return -1;
-    }
-    *t = (_PyTime_t)d;
-    return 0;
-}
-
-static int
-_PyTime_FromObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round,
-                   long unit_to_ns)
-{
-    if (PyFloat_Check(obj)) {
-        double d;
-        d = PyFloat_AsDouble(obj);
-        if (Py_IS_NAN(d)) {
-            PyErr_SetString(PyExc_ValueError, "Invalid value NaN (not a number)");
-            return -1;
-        }
-        return _PyTime_FromDouble(t, d, round, unit_to_ns);
-    }
-    else {
-        long long sec;
-        Py_BUILD_ASSERT(sizeof(long long) <= sizeof(_PyTime_t));
-
-        sec = PyLong_AsLongLong(obj);
-        if (sec == -1 && PyErr_Occurred()) {
-            if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
-                _PyTime_overflow();
-            }
-            return -1;
-        }
-
-        if (_PyTime_check_mul_overflow(sec, unit_to_ns)) {
-            _PyTime_overflow();
-            return -1;
-        }
-        *t = sec * unit_to_ns;
-        return 0;
-    }
-}
-
-int
-_PyTime_FromSecondsObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round)
-{
-    return _PyTime_FromObject(t, obj, round, SEC_TO_NS);
-}
-
-int
-_PyTime_FromMillisecondsObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round)
-{
-    return _PyTime_FromObject(t, obj, round, MS_TO_NS);
-}
-
-double
-_PyTime_AsSecondsDouble(_PyTime_t t)
-{
-    /* volatile avoids optimization changing how numbers are rounded */
-    volatile double d;
-
-    if (t % SEC_TO_NS == 0) {
-        _PyTime_t secs;
-        /* Divide using integers to avoid rounding issues on the integer part.
-           1e-9 cannot be stored exactly in IEEE 64-bit. */
-        secs = t / SEC_TO_NS;
-        d = (double)secs;
-    }
-    else {
-        d = (double)t;
-        d /= 1e9;
-    }
-    return d;
-}
-
-PyObject *
-_PyTime_AsNanosecondsObject(_PyTime_t t)
-{
-    Py_BUILD_ASSERT(sizeof(long long) >= sizeof(_PyTime_t));
-    return PyLong_FromLongLong((long long)t);
-}
-
-static _PyTime_t
-_PyTime_Divide(const _PyTime_t t, const _PyTime_t k,
-               const _PyTime_round_t round)
-{
-    assert(k > 1);
-    if (round == _PyTime_ROUND_HALF_EVEN) {
-        _PyTime_t x, r, abs_r;
-        x = t / k;
-        r = t % k;
-        abs_r = Py_ABS(r);
-        if (abs_r > k / 2 || (abs_r == k / 2 && (Py_ABS(x) & 1))) {
-            if (t >= 0) {
-                x++;
-            }
-            else {
-                x--;
-            }
-        }
-        return x;
-    }
-    else if (round == _PyTime_ROUND_CEILING) {
-        if (t >= 0) {
-            return (t + k - 1) / k;
-        }
-        else {
-            return t / k;
-        }
-    }
-    else if (round == _PyTime_ROUND_FLOOR){
-        if (t >= 0) {
-            return t / k;
-        }
-        else {
-            return (t - (k - 1)) / k;
-        }
-    }
-    else {
-        assert(round == _PyTime_ROUND_UP);
-        if (t >= 0) {
-            return (t + k - 1) / k;
-        }
-        else {
-            return (t - (k - 1)) / k;
-        }
-    }
-}
-
-_PyTime_t
-_PyTime_AsMilliseconds(_PyTime_t t, _PyTime_round_t round)
-{
-    return _PyTime_Divide(t, NS_TO_MS, round);
-}
-
-_PyTime_t
-_PyTime_AsMicroseconds(_PyTime_t t, _PyTime_round_t round)
-{
-    return _PyTime_Divide(t, NS_TO_US, round);
-}
-
-static int
-_PyTime_AsTimeval_impl(_PyTime_t t, _PyTime_t *p_secs, int *p_us,
-                       _PyTime_round_t round)
-{
-    _PyTime_t secs, ns;
-    int usec;
-    int res = 0;
-
-    secs = t / SEC_TO_NS;
-    ns = t % SEC_TO_NS;
-
-    usec = (int)_PyTime_Divide(ns, US_TO_NS, round);
-    if (usec < 0) {
-        usec += SEC_TO_US;
-        if (secs != _PyTime_MIN) {
-            secs -= 1;
-        }
-        else {
-            res = -1;
-        }
-    }
-    else if (usec >= SEC_TO_US) {
-        usec -= SEC_TO_US;
-        if (secs != _PyTime_MAX) {
-            secs += 1;
-        }
-        else {
-            res = -1;
-        }
-    }
-    assert(0 <= usec && usec < SEC_TO_US);
-
-    *p_secs = secs;
-    *p_us = usec;
-
-    return res;
-}
-
-static int
-_PyTime_AsTimevalStruct_impl(_PyTime_t t, struct timeval *tv,
-                             _PyTime_round_t round, int raise)
-{
-    _PyTime_t secs, secs2;
-    int us;
-    int res;
-
-    res = _PyTime_AsTimeval_impl(t, &secs, &us, round);
-
-#ifdef MS_WINDOWS
-    tv->tv_sec = (long)secs;
-#else
-    tv->tv_sec = secs;
-#endif
-    tv->tv_usec = us;
-
-    secs2 = (_PyTime_t)tv->tv_sec;
-    if (res < 0 || secs2 != secs) {
-        if (raise) {
-            error_time_t_overflow();
-        }
-        return -1;
-    }
-    return 0;
-}
-
-int
-_PyTime_AsTimeval(_PyTime_t t, struct timeval *tv, _PyTime_round_t round)
-{
-    return _PyTime_AsTimevalStruct_impl(t, tv, round, 1);
-}
-
-int
-_PyTime_AsTimeval_noraise(_PyTime_t t, struct timeval *tv, _PyTime_round_t round)
-{
-    return _PyTime_AsTimevalStruct_impl(t, tv, round, 0);
-}
-
-int
-_PyTime_AsTimevalTime_t(_PyTime_t t, time_t *p_secs, int *us,
-                        _PyTime_round_t round)
-{
-    _PyTime_t secs;
-    int res;
-
-    res = _PyTime_AsTimeval_impl(t, &secs, us, round);
-
-    *p_secs = secs;
-
-    if (res < 0 || (_PyTime_t)*p_secs != secs) {
-        error_time_t_overflow();
-        return -1;
-    }
-    return 0;
-}
-
-
-#if defined(HAVE_CLOCK_GETTIME) || defined(HAVE_KQUEUE)
-int
-_PyTime_AsTimespec(_PyTime_t t, struct timespec *ts)
-{
-    _PyTime_t secs, nsec;
-
-    secs = t / SEC_TO_NS;
-    nsec = t % SEC_TO_NS;
-    if (nsec < 0) {
-        nsec += SEC_TO_NS;
-        secs -= 1;
-    }
-    ts->tv_sec = (time_t)secs;
-    assert(0 <= nsec && nsec < SEC_TO_NS);
-    ts->tv_nsec = nsec;
-
-    if ((_PyTime_t)ts->tv_sec != secs) {
-        error_time_t_overflow();
-        return -1;
-    }
-    return 0;
-}
-#endif
-
-static int
-pygettimeofday(_PyTime_t *tp, _Py_clock_info_t *info, int raise)
-{
-#ifdef MS_WINDOWS
-    FILETIME system_time;
-    ULARGE_INTEGER large;
-
-    assert(info == NULL || raise);
-
-    GetSystemTimeAsFileTime(&system_time);
-    large.u.LowPart = system_time.dwLowDateTime;
-    large.u.HighPart = system_time.dwHighDateTime;
-    /* 11,644,473,600,000,000,000: number of nanoseconds between
-       the 1st january 1601 and the 1st january 1970 (369 years + 89 leap
-       days). */
-    *tp = large.QuadPart * 100 - 11644473600000000000;
-    if (info) {
-        DWORD timeAdjustment, timeIncrement;
-        BOOL isTimeAdjustmentDisabled, ok;
-
-        info->implementation = "GetSystemTimeAsFileTime()";
-        info->monotonic = 0;
-        ok = GetSystemTimeAdjustment(&timeAdjustment, &timeIncrement,
-                                     &isTimeAdjustmentDisabled);
-        if (!ok) {
-            PyErr_SetFromWindowsErr(0);
-            return -1;
-        }
-        info->resolution = timeIncrement * 1e-7;
-        info->adjustable = 1;
-    }
-
-#else   /* MS_WINDOWS */
-    int err;
+ 
+#define _PyTime_check_mul_overflow(a, b) \ 
+    (assert(b > 0), \ 
+     (_PyTime_t)(a) < _PyTime_MIN / (_PyTime_t)(b) \ 
+     || _PyTime_MAX / (_PyTime_t)(b) < (_PyTime_t)(a)) 
+ 
+/* To millisecond (10^-3) */ 
+#define SEC_TO_MS 1000 
+ 
+/* To microseconds (10^-6) */ 
+#define MS_TO_US 1000 
+#define SEC_TO_US (SEC_TO_MS * MS_TO_US) 
+ 
+/* To nanoseconds (10^-9) */ 
+#define US_TO_NS 1000 
+#define MS_TO_NS (MS_TO_US * US_TO_NS) 
+#define SEC_TO_NS (SEC_TO_MS * MS_TO_NS) 
+ 
+/* Conversion from nanoseconds */ 
+#define NS_TO_MS (1000 * 1000) 
+#define NS_TO_US (1000) 
+ 
+static void 
+error_time_t_overflow(void) 
+{ 
+    PyErr_SetString(PyExc_OverflowError, 
+                    "timestamp out of range for platform time_t"); 
+} 
+ 
+static void 
+_PyTime_overflow(void) 
+{ 
+    PyErr_SetString(PyExc_OverflowError, 
+                    "timestamp too large to convert to C _PyTime_t"); 
+} 
+ 
+ 
+_PyTime_t 
+_PyTime_MulDiv(_PyTime_t ticks, _PyTime_t mul, _PyTime_t div) 
+{ 
+    _PyTime_t intpart, remaining; 
+    /* Compute (ticks * mul / div) in two parts to prevent integer overflow: 
+       compute integer part, and then the remaining part. 
+ 
+       (ticks * mul) / div == (ticks / div) * mul + (ticks % div) * mul / div 
+ 
+       The caller must ensure that "(div - 1) * mul" cannot overflow. */ 
+    intpart = ticks / div; 
+    ticks %= div; 
+    remaining = ticks * mul; 
+    remaining /= div; 
+    return intpart * mul + remaining; 
+} 
+ 
+ 
+time_t 
+_PyLong_AsTime_t(PyObject *obj) 
+{ 
+#if SIZEOF_TIME_T == SIZEOF_LONG_LONG 
+    long long val; 
+    val = PyLong_AsLongLong(obj); 
+#else 
+    long val; 
+    Py_BUILD_ASSERT(sizeof(time_t) <= sizeof(long)); 
+    val = PyLong_AsLong(obj); 
+#endif 
+    if (val == -1 && PyErr_Occurred()) { 
+        if (PyErr_ExceptionMatches(PyExc_OverflowError)) { 
+            error_time_t_overflow(); 
+        } 
+        return -1; 
+    } 
+    return (time_t)val; 
+} 
+ 
+PyObject * 
+_PyLong_FromTime_t(time_t t) 
+{ 
+#if SIZEOF_TIME_T == SIZEOF_LONG_LONG 
+    return PyLong_FromLongLong((long long)t); 
+#else 
+    Py_BUILD_ASSERT(sizeof(time_t) <= sizeof(long)); 
+    return PyLong_FromLong((long)t); 
+#endif 
+} 
+ 
+/* Round to nearest with ties going to nearest even integer 
+   (_PyTime_ROUND_HALF_EVEN) */ 
+static double 
+_PyTime_RoundHalfEven(double x) 
+{ 
+    double rounded = round(x); 
+    if (fabs(x-rounded) == 0.5) { 
+        /* halfway case: round to even */ 
+        rounded = 2.0*round(x/2.0); 
+    } 
+    return rounded; 
+} 
+ 
+static double 
+_PyTime_Round(double x, _PyTime_round_t round) 
+{ 
+    /* volatile avoids optimization changing how numbers are rounded */ 
+    volatile double d; 
+ 
+    d = x; 
+    if (round == _PyTime_ROUND_HALF_EVEN) { 
+        d = _PyTime_RoundHalfEven(d); 
+    } 
+    else if (round == _PyTime_ROUND_CEILING) { 
+        d = ceil(d); 
+    } 
+    else if (round == _PyTime_ROUND_FLOOR) { 
+        d = floor(d); 
+    } 
+    else { 
+        assert(round == _PyTime_ROUND_UP); 
+        d = (d >= 0.0) ? ceil(d) : floor(d); 
+    } 
+    return d; 
+} 
+ 
+static int 
+_PyTime_DoubleToDenominator(double d, time_t *sec, long *numerator, 
+                            long idenominator, _PyTime_round_t round) 
+{ 
+    double denominator = (double)idenominator; 
+    double intpart; 
+    /* volatile avoids optimization changing how numbers are rounded */ 
+    volatile double floatpart; 
+ 
+    floatpart = modf(d, &intpart); 
+ 
+    floatpart *= denominator; 
+    floatpart = _PyTime_Round(floatpart, round); 
+    if (floatpart >= denominator) { 
+        floatpart -= denominator; 
+        intpart += 1.0; 
+    } 
+    else if (floatpart < 0) { 
+        floatpart += denominator; 
+        intpart -= 1.0; 
+    } 
+    assert(0.0 <= floatpart && floatpart < denominator); 
+ 
+    if (!_Py_InIntegralTypeRange(time_t, intpart)) { 
+        error_time_t_overflow(); 
+        return -1; 
+    } 
+    *sec = (time_t)intpart; 
+    *numerator = (long)floatpart; 
+    assert(0 <= *numerator && *numerator < idenominator); 
+    return 0; 
+} 
+ 
+static int 
+_PyTime_ObjectToDenominator(PyObject *obj, time_t *sec, long *numerator, 
+                            long denominator, _PyTime_round_t round) 
+{ 
+    assert(denominator >= 1); 
+ 
+    if (PyFloat_Check(obj)) { 
+        double d = PyFloat_AsDouble(obj); 
+        if (Py_IS_NAN(d)) { 
+            *numerator = 0; 
+            PyErr_SetString(PyExc_ValueError, "Invalid value NaN (not a number)"); 
+            return -1; 
+        } 
+        return _PyTime_DoubleToDenominator(d, sec, numerator, 
+                                           denominator, round); 
+    } 
+    else { 
+        *sec = _PyLong_AsTime_t(obj); 
+        *numerator = 0; 
+        if (*sec == (time_t)-1 && PyErr_Occurred()) { 
+            return -1; 
+        } 
+        return 0; 
+    } 
+} 
+ 
+int 
+_PyTime_ObjectToTime_t(PyObject *obj, time_t *sec, _PyTime_round_t round) 
+{ 
+    if (PyFloat_Check(obj)) { 
+        double intpart; 
+        /* volatile avoids optimization changing how numbers are rounded */ 
+        volatile double d; 
+ 
+        d = PyFloat_AsDouble(obj); 
+        if (Py_IS_NAN(d)) { 
+            PyErr_SetString(PyExc_ValueError, "Invalid value NaN (not a number)"); 
+            return -1; 
+        } 
+ 
+        d = _PyTime_Round(d, round); 
+        (void)modf(d, &intpart); 
+ 
+        if (!_Py_InIntegralTypeRange(time_t, intpart)) { 
+            error_time_t_overflow(); 
+            return -1; 
+        } 
+        *sec = (time_t)intpart; 
+        return 0; 
+    } 
+    else { 
+        *sec = _PyLong_AsTime_t(obj); 
+        if (*sec == (time_t)-1 && PyErr_Occurred()) { 
+            return -1; 
+        } 
+        return 0; 
+    } 
+} 
+ 
+int 
+_PyTime_ObjectToTimespec(PyObject *obj, time_t *sec, long *nsec, 
+                         _PyTime_round_t round) 
+{ 
+    return _PyTime_ObjectToDenominator(obj, sec, nsec, SEC_TO_NS, round); 
+} 
+ 
+int 
+_PyTime_ObjectToTimeval(PyObject *obj, time_t *sec, long *usec, 
+                        _PyTime_round_t round) 
+{ 
+    return _PyTime_ObjectToDenominator(obj, sec, usec, SEC_TO_US, round); 
+} 
+ 
+_PyTime_t 
+_PyTime_FromSeconds(int seconds) 
+{ 
+    _PyTime_t t; 
+    /* ensure that integer overflow cannot happen, int type should have 32 
+       bits, whereas _PyTime_t type has at least 64 bits (SEC_TO_MS takes 30 
+       bits). */ 
+    Py_BUILD_ASSERT(INT_MAX <= _PyTime_MAX / SEC_TO_NS); 
+    Py_BUILD_ASSERT(INT_MIN >= _PyTime_MIN / SEC_TO_NS); 
+ 
+    t = (_PyTime_t)seconds; 
+    assert((t >= 0 && t <= _PyTime_MAX / SEC_TO_NS) 
+           || (t < 0 && t >= _PyTime_MIN / SEC_TO_NS)); 
+    t *= SEC_TO_NS; 
+    return t; 
+} 
+ 
+_PyTime_t 
+_PyTime_FromNanoseconds(_PyTime_t ns) 
+{ 
+    /* _PyTime_t already uses nanosecond resolution, no conversion needed */ 
+    return ns; 
+} 
+ 
+int 
+_PyTime_FromNanosecondsObject(_PyTime_t *tp, PyObject *obj) 
+{ 
+    long long nsec; 
+    _PyTime_t t; 
+ 
+    if (!PyLong_Check(obj)) { 
+        PyErr_Format(PyExc_TypeError, "expect int, got %s", 
+                     Py_TYPE(obj)->tp_name); 
+        return -1; 
+    } 
+ 
+    Py_BUILD_ASSERT(sizeof(long long) == sizeof(_PyTime_t)); 
+    nsec = PyLong_AsLongLong(obj); 
+    if (nsec == -1 && PyErr_Occurred()) { 
+        if (PyErr_ExceptionMatches(PyExc_OverflowError)) { 
+            _PyTime_overflow(); 
+        } 
+        return -1; 
+    } 
+ 
+    /* _PyTime_t already uses nanosecond resolution, no conversion needed */ 
+    t = (_PyTime_t)nsec; 
+    *tp = t; 
+    return 0; 
+} 
+ 
+#ifdef HAVE_CLOCK_GETTIME 
+static int 
+pytime_fromtimespec(_PyTime_t *tp, struct timespec *ts, int raise) 
+{ 
+    _PyTime_t t, nsec; 
+    int res = 0; 
+ 
+    Py_BUILD_ASSERT(sizeof(ts->tv_sec) <= sizeof(_PyTime_t)); 
+    t = (_PyTime_t)ts->tv_sec; 
+ 
+    if (_PyTime_check_mul_overflow(t, SEC_TO_NS)) { 
+        if (raise) { 
+            _PyTime_overflow(); 
+        } 
+        res = -1; 
+        t = (t > 0) ? _PyTime_MAX : _PyTime_MIN; 
+    } 
+    else { 
+        t = t * SEC_TO_NS; 
+    } 
+ 
+    nsec = ts->tv_nsec; 
+    /* The following test is written for positive only nsec */ 
+    assert(nsec >= 0); 
+    if (t > _PyTime_MAX - nsec) { 
+        if (raise) { 
+            _PyTime_overflow(); 
+        } 
+        res = -1; 
+        t = _PyTime_MAX; 
+    } 
+    else { 
+        t += nsec; 
+    } 
+ 
+    *tp = t; 
+    return res; 
+} 
+ 
+int 
+_PyTime_FromTimespec(_PyTime_t *tp, struct timespec *ts) 
+{ 
+    return pytime_fromtimespec(tp, ts, 1); 
+} 
+#endif 
+ 
+#if !defined(MS_WINDOWS) 
+static int 
+pytime_fromtimeval(_PyTime_t *tp, struct timeval *tv, int raise) 
+{ 
+    _PyTime_t t, usec; 
+    int res = 0; 
+ 
+    Py_BUILD_ASSERT(sizeof(tv->tv_sec) <= sizeof(_PyTime_t)); 
+    t = (_PyTime_t)tv->tv_sec; 
+ 
+    if (_PyTime_check_mul_overflow(t, SEC_TO_NS)) { 
+        if (raise) { 
+            _PyTime_overflow(); 
+        } 
+        res = -1; 
+        t = (t > 0) ? _PyTime_MAX : _PyTime_MIN; 
+    } 
+    else { 
+        t = t * SEC_TO_NS; 
+    } 
+ 
+    usec = (_PyTime_t)tv->tv_usec * US_TO_NS; 
+    /* The following test is written for positive only usec */ 
+    assert(usec >= 0); 
+    if (t > _PyTime_MAX - usec) { 
+        if (raise) { 
+            _PyTime_overflow(); 
+        } 
+        res = -1; 
+        t = _PyTime_MAX; 
+    } 
+    else { 
+        t += usec; 
+    } 
+ 
+    *tp = t; 
+    return res; 
+} 
+ 
+int 
+_PyTime_FromTimeval(_PyTime_t *tp, struct timeval *tv) 
+{ 
+    return pytime_fromtimeval(tp, tv, 1); 
+} 
+#endif 
+ 
+static int 
+_PyTime_FromDouble(_PyTime_t *t, double value, _PyTime_round_t round, 
+                   long unit_to_ns) 
+{ 
+    /* volatile avoids optimization changing how numbers are rounded */ 
+    volatile double d; 
+ 
+    /* convert to a number of nanoseconds */ 
+    d = value; 
+    d *= (double)unit_to_ns; 
+    d = _PyTime_Round(d, round); 
+ 
+    if (!_Py_InIntegralTypeRange(_PyTime_t, d)) { 
+        _PyTime_overflow(); 
+        return -1; 
+    } 
+    *t = (_PyTime_t)d; 
+    return 0; 
+} 
+ 
+static int 
+_PyTime_FromObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round, 
+                   long unit_to_ns) 
+{ 
+    if (PyFloat_Check(obj)) { 
+        double d; 
+        d = PyFloat_AsDouble(obj); 
+        if (Py_IS_NAN(d)) { 
+            PyErr_SetString(PyExc_ValueError, "Invalid value NaN (not a number)"); 
+            return -1; 
+        } 
+        return _PyTime_FromDouble(t, d, round, unit_to_ns); 
+    } 
+    else { 
+        long long sec; 
+        Py_BUILD_ASSERT(sizeof(long long) <= sizeof(_PyTime_t)); 
+ 
+        sec = PyLong_AsLongLong(obj); 
+        if (sec == -1 && PyErr_Occurred()) { 
+            if (PyErr_ExceptionMatches(PyExc_OverflowError)) { 
+                _PyTime_overflow(); 
+            } 
+            return -1; 
+        } 
+ 
+        if (_PyTime_check_mul_overflow(sec, unit_to_ns)) { 
+            _PyTime_overflow(); 
+            return -1; 
+        } 
+        *t = sec * unit_to_ns; 
+        return 0; 
+    } 
+} 
+ 
+int 
+_PyTime_FromSecondsObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round) 
+{ 
+    return _PyTime_FromObject(t, obj, round, SEC_TO_NS); 
+} 
+ 
+int 
+_PyTime_FromMillisecondsObject(_PyTime_t *t, PyObject *obj, _PyTime_round_t round) 
+{ 
+    return _PyTime_FromObject(t, obj, round, MS_TO_NS); 
+} 
+ 
+double 
+_PyTime_AsSecondsDouble(_PyTime_t t) 
+{ 
+    /* volatile avoids optimization changing how numbers are rounded */ 
+    volatile double d; 
+ 
+    if (t % SEC_TO_NS == 0) { 
+        _PyTime_t secs; 
+        /* Divide using integers to avoid rounding issues on the integer part. 
+           1e-9 cannot be stored exactly in IEEE 64-bit. */ 
+        secs = t / SEC_TO_NS; 
+        d = (double)secs; 
+    } 
+    else { 
+        d = (double)t; 
+        d /= 1e9; 
+    } 
+    return d; 
+} 
+ 
+PyObject * 
+_PyTime_AsNanosecondsObject(_PyTime_t t) 
+{ 
+    Py_BUILD_ASSERT(sizeof(long long) >= sizeof(_PyTime_t)); 
+    return PyLong_FromLongLong((long long)t); 
+} 
+ 
+static _PyTime_t 
+_PyTime_Divide(const _PyTime_t t, const _PyTime_t k, 
+               const _PyTime_round_t round) 
+{ 
+    assert(k > 1); 
+    if (round == _PyTime_ROUND_HALF_EVEN) { 
+        _PyTime_t x, r, abs_r; 
+        x = t / k; 
+        r = t % k; 
+        abs_r = Py_ABS(r); 
+        if (abs_r > k / 2 || (abs_r == k / 2 && (Py_ABS(x) & 1))) { 
+            if (t >= 0) { 
+                x++; 
+            } 
+            else { 
+                x--; 
+            } 
+        } 
+        return x; 
+    } 
+    else if (round == _PyTime_ROUND_CEILING) { 
+        if (t >= 0) { 
+            return (t + k - 1) / k; 
+        } 
+        else { 
+            return t / k; 
+        } 
+    } 
+    else if (round == _PyTime_ROUND_FLOOR){ 
+        if (t >= 0) { 
+            return t / k; 
+        } 
+        else { 
+            return (t - (k - 1)) / k; 
+        } 
+    } 
+    else { 
+        assert(round == _PyTime_ROUND_UP); 
+        if (t >= 0) { 
+            return (t + k - 1) / k; 
+        } 
+        else { 
+            return (t - (k - 1)) / k; 
+        } 
+    } 
+} 
+ 
+_PyTime_t 
+_PyTime_AsMilliseconds(_PyTime_t t, _PyTime_round_t round) 
+{ 
+    return _PyTime_Divide(t, NS_TO_MS, round); 
+} 
+ 
+_PyTime_t 
+_PyTime_AsMicroseconds(_PyTime_t t, _PyTime_round_t round) 
+{ 
+    return _PyTime_Divide(t, NS_TO_US, round); 
+} 
+ 
+static int 
+_PyTime_AsTimeval_impl(_PyTime_t t, _PyTime_t *p_secs, int *p_us, 
+                       _PyTime_round_t round) 
+{ 
+    _PyTime_t secs, ns; 
+    int usec; 
+    int res = 0; 
+ 
+    secs = t / SEC_TO_NS; 
+    ns = t % SEC_TO_NS; 
+ 
+    usec = (int)_PyTime_Divide(ns, US_TO_NS, round); 
+    if (usec < 0) { 
+        usec += SEC_TO_US; 
+        if (secs != _PyTime_MIN) { 
+            secs -= 1; 
+        } 
+        else { 
+            res = -1; 
+        } 
+    } 
+    else if (usec >= SEC_TO_US) { 
+        usec -= SEC_TO_US; 
+        if (secs != _PyTime_MAX) { 
+            secs += 1; 
+        } 
+        else { 
+            res = -1; 
+        } 
+    } 
+    assert(0 <= usec && usec < SEC_TO_US); 
+ 
+    *p_secs = secs; 
+    *p_us = usec; 
+ 
+    return res; 
+} 
+ 
+static int 
+_PyTime_AsTimevalStruct_impl(_PyTime_t t, struct timeval *tv, 
+                             _PyTime_round_t round, int raise) 
+{ 
+    _PyTime_t secs, secs2; 
+    int us; 
+    int res; 
+ 
+    res = _PyTime_AsTimeval_impl(t, &secs, &us, round); 
+ 
+#ifdef MS_WINDOWS 
+    tv->tv_sec = (long)secs; 
+#else 
+    tv->tv_sec = secs; 
+#endif 
+    tv->tv_usec = us; 
+ 
+    secs2 = (_PyTime_t)tv->tv_sec; 
+    if (res < 0 || secs2 != secs) { 
+        if (raise) { 
+            error_time_t_overflow(); 
+        } 
+        return -1; 
+    } 
+    return 0; 
+} 
+ 
+int 
+_PyTime_AsTimeval(_PyTime_t t, struct timeval *tv, _PyTime_round_t round) 
+{ 
+    return _PyTime_AsTimevalStruct_impl(t, tv, round, 1); 
+} 
+ 
+int 
+_PyTime_AsTimeval_noraise(_PyTime_t t, struct timeval *tv, _PyTime_round_t round) 
+{ 
+    return _PyTime_AsTimevalStruct_impl(t, tv, round, 0); 
+} 
+ 
+int 
+_PyTime_AsTimevalTime_t(_PyTime_t t, time_t *p_secs, int *us, 
+                        _PyTime_round_t round) 
+{ 
+    _PyTime_t secs; 
+    int res; 
+ 
+    res = _PyTime_AsTimeval_impl(t, &secs, us, round); 
+ 
+    *p_secs = secs; 
+ 
+    if (res < 0 || (_PyTime_t)*p_secs != secs) { 
+        error_time_t_overflow(); 
+        return -1; 
+    } 
+    return 0; 
+} 
+ 
+ 
+#if defined(HAVE_CLOCK_GETTIME) || defined(HAVE_KQUEUE) 
+int 
+_PyTime_AsTimespec(_PyTime_t t, struct timespec *ts) 
+{ 
+    _PyTime_t secs, nsec; 
+ 
+    secs = t / SEC_TO_NS; 
+    nsec = t % SEC_TO_NS; 
+    if (nsec < 0) { 
+        nsec += SEC_TO_NS; 
+        secs -= 1; 
+    } 
+    ts->tv_sec = (time_t)secs; 
+    assert(0 <= nsec && nsec < SEC_TO_NS); 
+    ts->tv_nsec = nsec; 
+ 
+    if ((_PyTime_t)ts->tv_sec != secs) { 
+        error_time_t_overflow(); 
+        return -1; 
+    } 
+    return 0; 
+} 
+#endif 
+ 
+static int 
+pygettimeofday(_PyTime_t *tp, _Py_clock_info_t *info, int raise) 
+{ 
+#ifdef MS_WINDOWS 
+    FILETIME system_time; 
+    ULARGE_INTEGER large; 
+ 
+    assert(info == NULL || raise); 
+ 
+    GetSystemTimeAsFileTime(&system_time); 
+    large.u.LowPart = system_time.dwLowDateTime; 
+    large.u.HighPart = system_time.dwHighDateTime; 
+    /* 11,644,473,600,000,000,000: number of nanoseconds between 
+       the 1st january 1601 and the 1st january 1970 (369 years + 89 leap 
+       days). */ 
+    *tp = large.QuadPart * 100 - 11644473600000000000; 
+    if (info) { 
+        DWORD timeAdjustment, timeIncrement; 
+        BOOL isTimeAdjustmentDisabled, ok; 
+ 
+        info->implementation = "GetSystemTimeAsFileTime()"; 
+        info->monotonic = 0; 
+        ok = GetSystemTimeAdjustment(&timeAdjustment, &timeIncrement, 
+                                     &isTimeAdjustmentDisabled); 
+        if (!ok) { 
+            PyErr_SetFromWindowsErr(0); 
+            return -1; 
+        } 
+        info->resolution = timeIncrement * 1e-7; 
+        info->adjustable = 1; 
+    } 
+ 
+#else   /* MS_WINDOWS */ 
+    int err; 
 #if defined(HAVE_CLOCK_GETTIME)
-    struct timespec ts;
+    struct timespec ts; 
 #endif
 
 #if !defined(HAVE_CLOCK_GETTIME) || defined(__APPLE__)
-    struct timeval tv;
-#endif
-
-    assert(info == NULL || raise);
-
-#ifdef HAVE_CLOCK_GETTIME
+    struct timeval tv; 
+#endif 
+ 
+    assert(info == NULL || raise); 
+ 
+#ifdef HAVE_CLOCK_GETTIME 
 
 #ifdef HAVE_CLOCK_GETTIME_RUNTIME
     if (HAVE_CLOCK_GETTIME_RUNTIME) {
 #endif
 
-    err = clock_gettime(CLOCK_REALTIME, &ts);
-    if (err) {
-        if (raise) {
-            PyErr_SetFromErrno(PyExc_OSError);
-        }
-        return -1;
-    }
-    if (pytime_fromtimespec(tp, &ts, raise) < 0) {
-        return -1;
-    }
-
-    if (info) {
-        struct timespec res;
-        info->implementation = "clock_gettime(CLOCK_REALTIME)";
-        info->monotonic = 0;
-        info->adjustable = 1;
-        if (clock_getres(CLOCK_REALTIME, &res) == 0) {
-            info->resolution = res.tv_sec + res.tv_nsec * 1e-9;
-        }
-        else {
-            info->resolution = 1e-9;
-        }
-    }
-
+    err = clock_gettime(CLOCK_REALTIME, &ts); 
+    if (err) { 
+        if (raise) { 
+            PyErr_SetFromErrno(PyExc_OSError); 
+        } 
+        return -1; 
+    } 
+    if (pytime_fromtimespec(tp, &ts, raise) < 0) { 
+        return -1; 
+    } 
+ 
+    if (info) { 
+        struct timespec res; 
+        info->implementation = "clock_gettime(CLOCK_REALTIME)"; 
+        info->monotonic = 0; 
+        info->adjustable = 1; 
+        if (clock_getres(CLOCK_REALTIME, &res) == 0) { 
+            info->resolution = res.tv_sec + res.tv_nsec * 1e-9; 
+        } 
+        else { 
+            info->resolution = 1e-9; 
+        } 
+    } 
+ 
 #ifdef HAVE_CLOCK_GETTIME_RUNTIME
     } else {
 #endif
@@ -737,352 +737,352 @@ pygettimeofday(_PyTime_t *tp, _Py_clock_info_t *info, int raise)
 
 #if !defined(HAVE_CLOCK_GETTIME) || defined(HAVE_CLOCK_GETTIME_RUNTIME)
 
-     /* test gettimeofday() */
-    err = gettimeofday(&tv, (struct timezone *)NULL);
-    if (err) {
-        if (raise) {
-            PyErr_SetFromErrno(PyExc_OSError);
-        }
-        return -1;
-    }
-    if (pytime_fromtimeval(tp, &tv, raise) < 0) {
-        return -1;
-    }
-
-    if (info) {
-        info->implementation = "gettimeofday()";
-        info->resolution = 1e-6;
-        info->monotonic = 0;
-        info->adjustable = 1;
-    }
+     /* test gettimeofday() */ 
+    err = gettimeofday(&tv, (struct timezone *)NULL); 
+    if (err) { 
+        if (raise) { 
+            PyErr_SetFromErrno(PyExc_OSError); 
+        } 
+        return -1; 
+    } 
+    if (pytime_fromtimeval(tp, &tv, raise) < 0) { 
+        return -1; 
+    } 
+ 
+    if (info) { 
+        info->implementation = "gettimeofday()"; 
+        info->resolution = 1e-6; 
+        info->monotonic = 0; 
+        info->adjustable = 1; 
+    } 
 
 #if defined(HAVE_CLOCK_GETTIME_RUNTIME) && defined(HAVE_CLOCK_GETTIME)
     } /* end of availibity block */
 #endif
 
-#endif   /* !HAVE_CLOCK_GETTIME */
-#endif   /* !MS_WINDOWS */
-    return 0;
-}
-
-_PyTime_t
-_PyTime_GetSystemClock(void)
-{
-    _PyTime_t t;
-    if (pygettimeofday(&t, NULL, 0) < 0) {
-        /* should not happen, _PyTime_Init() checked the clock at startup */
+#endif   /* !HAVE_CLOCK_GETTIME */ 
+#endif   /* !MS_WINDOWS */ 
+    return 0; 
+} 
+ 
+_PyTime_t 
+_PyTime_GetSystemClock(void) 
+{ 
+    _PyTime_t t; 
+    if (pygettimeofday(&t, NULL, 0) < 0) { 
+        /* should not happen, _PyTime_Init() checked the clock at startup */ 
         Py_FatalError("pygettimeofday() failed");
-    }
-    return t;
-}
-
-int
-_PyTime_GetSystemClockWithInfo(_PyTime_t *t, _Py_clock_info_t *info)
-{
-    return pygettimeofday(t, info, 1);
-}
-
-static int
-pymonotonic(_PyTime_t *tp, _Py_clock_info_t *info, int raise)
-{
-#if defined(MS_WINDOWS)
-    ULONGLONG ticks;
-    _PyTime_t t;
-
-    assert(info == NULL || raise);
-
-    ticks = GetTickCount64();
-    Py_BUILD_ASSERT(sizeof(ticks) <= sizeof(_PyTime_t));
-    t = (_PyTime_t)ticks;
-
-    if (_PyTime_check_mul_overflow(t, MS_TO_NS)) {
-        if (raise) {
-            _PyTime_overflow();
-            return -1;
-        }
-        /* Hello, time traveler! */
+    } 
+    return t; 
+} 
+ 
+int 
+_PyTime_GetSystemClockWithInfo(_PyTime_t *t, _Py_clock_info_t *info) 
+{ 
+    return pygettimeofday(t, info, 1); 
+} 
+ 
+static int 
+pymonotonic(_PyTime_t *tp, _Py_clock_info_t *info, int raise) 
+{ 
+#if defined(MS_WINDOWS) 
+    ULONGLONG ticks; 
+    _PyTime_t t; 
+ 
+    assert(info == NULL || raise); 
+ 
+    ticks = GetTickCount64(); 
+    Py_BUILD_ASSERT(sizeof(ticks) <= sizeof(_PyTime_t)); 
+    t = (_PyTime_t)ticks; 
+ 
+    if (_PyTime_check_mul_overflow(t, MS_TO_NS)) { 
+        if (raise) { 
+            _PyTime_overflow(); 
+            return -1; 
+        } 
+        /* Hello, time traveler! */ 
         Py_FatalError("pymonotonic: integer overflow");
-    }
-    *tp = t * MS_TO_NS;
-
-    if (info) {
-        DWORD timeAdjustment, timeIncrement;
-        BOOL isTimeAdjustmentDisabled, ok;
-        info->implementation = "GetTickCount64()";
-        info->monotonic = 1;
-        ok = GetSystemTimeAdjustment(&timeAdjustment, &timeIncrement,
-                                     &isTimeAdjustmentDisabled);
-        if (!ok) {
-            PyErr_SetFromWindowsErr(0);
-            return -1;
-        }
-        info->resolution = timeIncrement * 1e-7;
-        info->adjustable = 0;
-    }
-
-#elif defined(__APPLE__)
-    static mach_timebase_info_data_t timebase;
-    static uint64_t t0 = 0;
-    uint64_t ticks;
-
-    if (timebase.denom == 0) {
-        /* According to the Technical Q&A QA1398, mach_timebase_info() cannot
-           fail: https://developer.apple.com/library/mac/#qa/qa1398/ */
-        (void)mach_timebase_info(&timebase);
-
-        /* Sanity check: should never occur in practice */
-        if (timebase.numer < 1 || timebase.denom < 1) {
-            PyErr_SetString(PyExc_RuntimeError,
-                            "invalid mach_timebase_info");
-            return -1;
-        }
-
-        /* Check that timebase.numer and timebase.denom can be casted to
-           _PyTime_t. In practice, timebase uses uint32_t, so casting cannot
-           overflow. At the end, only make sure that the type is uint32_t
-           (_PyTime_t is 64-bit long). */
-        assert(sizeof(timebase.numer) < sizeof(_PyTime_t));
-        assert(sizeof(timebase.denom) < sizeof(_PyTime_t));
-
-        /* Make sure that (ticks * timebase.numer) cannot overflow in
-           _PyTime_MulDiv(), with ticks < timebase.denom.
-
-           Known time bases:
-
-           * always (1, 1) on Intel
-           * (1000000000, 33333335) or (1000000000, 25000000) on PowerPC
-
-           None of these time bases can overflow with 64-bit _PyTime_t, but
-           check for overflow, just in case. */
-        if ((_PyTime_t)timebase.numer > _PyTime_MAX / (_PyTime_t)timebase.denom) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "mach_timebase_info is too large");
-            return -1;
-        }
-
-        t0 = mach_absolute_time();
-    }
-
-    if (info) {
-        info->implementation = "mach_absolute_time()";
-        info->resolution = (double)timebase.numer / (double)timebase.denom * 1e-9;
-        info->monotonic = 1;
-        info->adjustable = 0;
-    }
-
-    ticks = mach_absolute_time();
-    /* Use a "time zero" to reduce precision loss when converting time
-       to floatting point number, as in time.monotonic(). */
-    ticks -= t0;
-    *tp = _PyTime_MulDiv(ticks,
-                         (_PyTime_t)timebase.numer,
-                         (_PyTime_t)timebase.denom);
-
-#elif defined(__hpux)
-    hrtime_t time;
-
-    time = gethrtime();
-    if (time == -1) {
-        if (raise) {
-            PyErr_SetFromErrno(PyExc_OSError);
-        }
-        return -1;
-    }
-
-    *tp = time;
-
-    if (info) {
-        info->implementation = "gethrtime()";
-        info->resolution = 1e-9;
-        info->monotonic = 1;
-        info->adjustable = 0;
-    }
-
-#else
-    struct timespec ts;
-#ifdef CLOCK_HIGHRES
-    const clockid_t clk_id = CLOCK_HIGHRES;
-    const char *implementation = "clock_gettime(CLOCK_HIGHRES)";
-#else
-    const clockid_t clk_id = CLOCK_MONOTONIC;
-    const char *implementation = "clock_gettime(CLOCK_MONOTONIC)";
-#endif
-
-    assert(info == NULL || raise);
-
-    if (clock_gettime(clk_id, &ts) != 0) {
-        if (raise) {
-            PyErr_SetFromErrno(PyExc_OSError);
-            return -1;
-        }
-        return -1;
-    }
-
-    if (info) {
-        struct timespec res;
-        info->monotonic = 1;
-        info->implementation = implementation;
-        info->adjustable = 0;
-        if (clock_getres(clk_id, &res) != 0) {
-            PyErr_SetFromErrno(PyExc_OSError);
-            return -1;
-        }
-        info->resolution = res.tv_sec + res.tv_nsec * 1e-9;
-    }
-    if (pytime_fromtimespec(tp, &ts, raise) < 0) {
-        return -1;
-    }
-#endif
-    return 0;
-}
-
-_PyTime_t
-_PyTime_GetMonotonicClock(void)
-{
-    _PyTime_t t;
-    if (pymonotonic(&t, NULL, 0) < 0) {
-        /* should not happen, _PyTime_Init() checked that monotonic clock at
-           startup */
+    } 
+    *tp = t * MS_TO_NS; 
+ 
+    if (info) { 
+        DWORD timeAdjustment, timeIncrement; 
+        BOOL isTimeAdjustmentDisabled, ok; 
+        info->implementation = "GetTickCount64()"; 
+        info->monotonic = 1; 
+        ok = GetSystemTimeAdjustment(&timeAdjustment, &timeIncrement, 
+                                     &isTimeAdjustmentDisabled); 
+        if (!ok) { 
+            PyErr_SetFromWindowsErr(0); 
+            return -1; 
+        } 
+        info->resolution = timeIncrement * 1e-7; 
+        info->adjustable = 0; 
+    } 
+ 
+#elif defined(__APPLE__) 
+    static mach_timebase_info_data_t timebase; 
+    static uint64_t t0 = 0; 
+    uint64_t ticks; 
+ 
+    if (timebase.denom == 0) { 
+        /* According to the Technical Q&A QA1398, mach_timebase_info() cannot 
+           fail: https://developer.apple.com/library/mac/#qa/qa1398/ */ 
+        (void)mach_timebase_info(&timebase); 
+ 
+        /* Sanity check: should never occur in practice */ 
+        if (timebase.numer < 1 || timebase.denom < 1) { 
+            PyErr_SetString(PyExc_RuntimeError, 
+                            "invalid mach_timebase_info"); 
+            return -1; 
+        } 
+ 
+        /* Check that timebase.numer and timebase.denom can be casted to 
+           _PyTime_t. In practice, timebase uses uint32_t, so casting cannot 
+           overflow. At the end, only make sure that the type is uint32_t 
+           (_PyTime_t is 64-bit long). */ 
+        assert(sizeof(timebase.numer) < sizeof(_PyTime_t)); 
+        assert(sizeof(timebase.denom) < sizeof(_PyTime_t)); 
+ 
+        /* Make sure that (ticks * timebase.numer) cannot overflow in 
+           _PyTime_MulDiv(), with ticks < timebase.denom. 
+ 
+           Known time bases: 
+ 
+           * always (1, 1) on Intel 
+           * (1000000000, 33333335) or (1000000000, 25000000) on PowerPC 
+ 
+           None of these time bases can overflow with 64-bit _PyTime_t, but 
+           check for overflow, just in case. */ 
+        if ((_PyTime_t)timebase.numer > _PyTime_MAX / (_PyTime_t)timebase.denom) { 
+            PyErr_SetString(PyExc_OverflowError, 
+                            "mach_timebase_info is too large"); 
+            return -1; 
+        } 
+ 
+        t0 = mach_absolute_time(); 
+    } 
+ 
+    if (info) { 
+        info->implementation = "mach_absolute_time()"; 
+        info->resolution = (double)timebase.numer / (double)timebase.denom * 1e-9; 
+        info->monotonic = 1; 
+        info->adjustable = 0; 
+    } 
+ 
+    ticks = mach_absolute_time(); 
+    /* Use a "time zero" to reduce precision loss when converting time 
+       to floatting point number, as in time.monotonic(). */ 
+    ticks -= t0; 
+    *tp = _PyTime_MulDiv(ticks, 
+                         (_PyTime_t)timebase.numer, 
+                         (_PyTime_t)timebase.denom); 
+ 
+#elif defined(__hpux) 
+    hrtime_t time; 
+ 
+    time = gethrtime(); 
+    if (time == -1) { 
+        if (raise) { 
+            PyErr_SetFromErrno(PyExc_OSError); 
+        } 
+        return -1; 
+    } 
+ 
+    *tp = time; 
+ 
+    if (info) { 
+        info->implementation = "gethrtime()"; 
+        info->resolution = 1e-9; 
+        info->monotonic = 1; 
+        info->adjustable = 0; 
+    } 
+ 
+#else 
+    struct timespec ts; 
+#ifdef CLOCK_HIGHRES 
+    const clockid_t clk_id = CLOCK_HIGHRES; 
+    const char *implementation = "clock_gettime(CLOCK_HIGHRES)"; 
+#else 
+    const clockid_t clk_id = CLOCK_MONOTONIC; 
+    const char *implementation = "clock_gettime(CLOCK_MONOTONIC)"; 
+#endif 
+ 
+    assert(info == NULL || raise); 
+ 
+    if (clock_gettime(clk_id, &ts) != 0) { 
+        if (raise) { 
+            PyErr_SetFromErrno(PyExc_OSError); 
+            return -1; 
+        } 
+        return -1; 
+    } 
+ 
+    if (info) { 
+        struct timespec res; 
+        info->monotonic = 1; 
+        info->implementation = implementation; 
+        info->adjustable = 0; 
+        if (clock_getres(clk_id, &res) != 0) { 
+            PyErr_SetFromErrno(PyExc_OSError); 
+            return -1; 
+        } 
+        info->resolution = res.tv_sec + res.tv_nsec * 1e-9; 
+    } 
+    if (pytime_fromtimespec(tp, &ts, raise) < 0) { 
+        return -1; 
+    } 
+#endif 
+    return 0; 
+} 
+ 
+_PyTime_t 
+_PyTime_GetMonotonicClock(void) 
+{ 
+    _PyTime_t t; 
+    if (pymonotonic(&t, NULL, 0) < 0) { 
+        /* should not happen, _PyTime_Init() checked that monotonic clock at 
+           startup */ 
         Py_FatalError("pymonotonic() failed");
-    }
-    return t;
-}
-
-int
-_PyTime_GetMonotonicClockWithInfo(_PyTime_t *tp, _Py_clock_info_t *info)
-{
-    return pymonotonic(tp, info, 1);
-}
-
-
-#ifdef MS_WINDOWS
-static int
-win_perf_counter(_PyTime_t *tp, _Py_clock_info_t *info)
-{
-    static LONGLONG frequency = 0;
-    static LONGLONG t0 = 0;
-    LARGE_INTEGER now;
-    LONGLONG ticksll;
-    _PyTime_t ticks;
-
-    if (frequency == 0) {
-        LARGE_INTEGER freq;
-        if (!QueryPerformanceFrequency(&freq)) {
-            PyErr_SetFromWindowsErr(0);
-            return -1;
-        }
-        frequency = freq.QuadPart;
-
-        /* Sanity check: should never occur in practice */
-        if (frequency < 1) {
-            PyErr_SetString(PyExc_RuntimeError,
-                            "invalid QueryPerformanceFrequency");
-            return -1;
-        }
-
-        /* Check that frequency can be casted to _PyTime_t.
-
-           Make also sure that (ticks * SEC_TO_NS) cannot overflow in
-           _PyTime_MulDiv(), with ticks < frequency.
-
-           Known QueryPerformanceFrequency() values:
-
-           * 10,000,000 (10 MHz): 100 ns resolution
-           * 3,579,545 Hz (3.6 MHz): 279 ns resolution
-
-           None of these frequencies can overflow with 64-bit _PyTime_t, but
-           check for overflow, just in case. */
-        if (frequency > _PyTime_MAX
-            || frequency > (LONGLONG)_PyTime_MAX / (LONGLONG)SEC_TO_NS) {
-            PyErr_SetString(PyExc_OverflowError,
-                            "QueryPerformanceFrequency is too large");
-            return -1;
-        }
-
-        QueryPerformanceCounter(&now);
-        t0 = now.QuadPart;
-    }
-
-    if (info) {
-        info->implementation = "QueryPerformanceCounter()";
-        info->resolution = 1.0 / (double)frequency;
-        info->monotonic = 1;
-        info->adjustable = 0;
-    }
-
-    QueryPerformanceCounter(&now);
-    ticksll = now.QuadPart;
-
-    /* Use a "time zero" to reduce precision loss when converting time
-       to floatting point number, as in time.perf_counter(). */
-    ticksll -= t0;
-
-    /* Make sure that casting LONGLONG to _PyTime_t cannot overflow,
-       both types are signed */
-    Py_BUILD_ASSERT(sizeof(ticksll) <= sizeof(ticks));
-    ticks = (_PyTime_t)ticksll;
-
-    *tp = _PyTime_MulDiv(ticks, SEC_TO_NS, (_PyTime_t)frequency);
-    return 0;
-}
-#endif
-
-
-int
-_PyTime_GetPerfCounterWithInfo(_PyTime_t *t, _Py_clock_info_t *info)
-{
-#ifdef MS_WINDOWS
-    return win_perf_counter(t, info);
-#else
-    return _PyTime_GetMonotonicClockWithInfo(t, info);
-#endif
-}
-
-
-_PyTime_t
-_PyTime_GetPerfCounter(void)
-{
-    _PyTime_t t;
-    if (_PyTime_GetPerfCounterWithInfo(&t, NULL)) {
+    } 
+    return t; 
+} 
+ 
+int 
+_PyTime_GetMonotonicClockWithInfo(_PyTime_t *tp, _Py_clock_info_t *info) 
+{ 
+    return pymonotonic(tp, info, 1); 
+} 
+ 
+ 
+#ifdef MS_WINDOWS 
+static int 
+win_perf_counter(_PyTime_t *tp, _Py_clock_info_t *info) 
+{ 
+    static LONGLONG frequency = 0; 
+    static LONGLONG t0 = 0; 
+    LARGE_INTEGER now; 
+    LONGLONG ticksll; 
+    _PyTime_t ticks; 
+ 
+    if (frequency == 0) { 
+        LARGE_INTEGER freq; 
+        if (!QueryPerformanceFrequency(&freq)) { 
+            PyErr_SetFromWindowsErr(0); 
+            return -1; 
+        } 
+        frequency = freq.QuadPart; 
+ 
+        /* Sanity check: should never occur in practice */ 
+        if (frequency < 1) { 
+            PyErr_SetString(PyExc_RuntimeError, 
+                            "invalid QueryPerformanceFrequency"); 
+            return -1; 
+        } 
+ 
+        /* Check that frequency can be casted to _PyTime_t. 
+ 
+           Make also sure that (ticks * SEC_TO_NS) cannot overflow in 
+           _PyTime_MulDiv(), with ticks < frequency. 
+ 
+           Known QueryPerformanceFrequency() values: 
+ 
+           * 10,000,000 (10 MHz): 100 ns resolution 
+           * 3,579,545 Hz (3.6 MHz): 279 ns resolution 
+ 
+           None of these frequencies can overflow with 64-bit _PyTime_t, but 
+           check for overflow, just in case. */ 
+        if (frequency > _PyTime_MAX 
+            || frequency > (LONGLONG)_PyTime_MAX / (LONGLONG)SEC_TO_NS) { 
+            PyErr_SetString(PyExc_OverflowError, 
+                            "QueryPerformanceFrequency is too large"); 
+            return -1; 
+        } 
+ 
+        QueryPerformanceCounter(&now); 
+        t0 = now.QuadPart; 
+    } 
+ 
+    if (info) { 
+        info->implementation = "QueryPerformanceCounter()"; 
+        info->resolution = 1.0 / (double)frequency; 
+        info->monotonic = 1; 
+        info->adjustable = 0; 
+    } 
+ 
+    QueryPerformanceCounter(&now); 
+    ticksll = now.QuadPart; 
+ 
+    /* Use a "time zero" to reduce precision loss when converting time 
+       to floatting point number, as in time.perf_counter(). */ 
+    ticksll -= t0; 
+ 
+    /* Make sure that casting LONGLONG to _PyTime_t cannot overflow, 
+       both types are signed */ 
+    Py_BUILD_ASSERT(sizeof(ticksll) <= sizeof(ticks)); 
+    ticks = (_PyTime_t)ticksll; 
+ 
+    *tp = _PyTime_MulDiv(ticks, SEC_TO_NS, (_PyTime_t)frequency); 
+    return 0; 
+} 
+#endif 
+ 
+ 
+int 
+_PyTime_GetPerfCounterWithInfo(_PyTime_t *t, _Py_clock_info_t *info) 
+{ 
+#ifdef MS_WINDOWS 
+    return win_perf_counter(t, info); 
+#else 
+    return _PyTime_GetMonotonicClockWithInfo(t, info); 
+#endif 
+} 
+ 
+ 
+_PyTime_t 
+_PyTime_GetPerfCounter(void) 
+{ 
+    _PyTime_t t; 
+    if (_PyTime_GetPerfCounterWithInfo(&t, NULL)) { 
         Py_FatalError("_PyTime_GetPerfCounterWithInfo() failed");
-    }
-    return t;
-}
-
-
-int
-_PyTime_Init(void)
-{
-    /* check that time.time(), time.monotonic() and time.perf_counter() clocks
-       are working properly to not have to check for exceptions at runtime. If
-       a clock works once, it cannot fail in next calls. */
-    _PyTime_t t;
-    if (_PyTime_GetSystemClockWithInfo(&t, NULL) < 0) {
-        return -1;
-    }
-    if (_PyTime_GetMonotonicClockWithInfo(&t, NULL) < 0) {
-        return -1;
-    }
-    if (_PyTime_GetPerfCounterWithInfo(&t, NULL) < 0) {
-        return -1;
-    }
-    return 0;
-}
-
-int
-_PyTime_localtime(time_t t, struct tm *tm)
-{
-#ifdef MS_WINDOWS
-    int error;
-
-    error = localtime_s(tm, &t);
-    if (error != 0) {
-        errno = error;
-        PyErr_SetFromErrno(PyExc_OSError);
-        return -1;
-    }
-    return 0;
-#else /* !MS_WINDOWS */
+    } 
+    return t; 
+} 
+ 
+ 
+int 
+_PyTime_Init(void) 
+{ 
+    /* check that time.time(), time.monotonic() and time.perf_counter() clocks 
+       are working properly to not have to check for exceptions at runtime. If 
+       a clock works once, it cannot fail in next calls. */ 
+    _PyTime_t t; 
+    if (_PyTime_GetSystemClockWithInfo(&t, NULL) < 0) { 
+        return -1; 
+    } 
+    if (_PyTime_GetMonotonicClockWithInfo(&t, NULL) < 0) { 
+        return -1; 
+    } 
+    if (_PyTime_GetPerfCounterWithInfo(&t, NULL) < 0) { 
+        return -1; 
+    } 
+    return 0; 
+} 
+ 
+int 
+_PyTime_localtime(time_t t, struct tm *tm) 
+{ 
+#ifdef MS_WINDOWS 
+    int error; 
+ 
+    error = localtime_s(tm, &t); 
+    if (error != 0) { 
+        errno = error; 
+        PyErr_SetFromErrno(PyExc_OSError); 
+        return -1; 
+    } 
+    return 0; 
+#else /* !MS_WINDOWS */ 
 
 #if defined(_AIX) && (SIZEOF_TIME_T < 8)
     /* bpo-34373: AIX does not return NULL if t is too small or too large */
@@ -1096,40 +1096,40 @@ _PyTime_localtime(time_t t, struct tm *tm)
 #endif
 
     errno = 0;
-    if (localtime_r(&t, tm) == NULL) {
-        if (errno == 0) {
-            errno = EINVAL;
-        }
-        PyErr_SetFromErrno(PyExc_OSError);
-        return -1;
-    }
-    return 0;
-#endif /* MS_WINDOWS */
-}
-
-int
-_PyTime_gmtime(time_t t, struct tm *tm)
-{
-#ifdef MS_WINDOWS
-    int error;
-
-    error = gmtime_s(tm, &t);
-    if (error != 0) {
-        errno = error;
-        PyErr_SetFromErrno(PyExc_OSError);
-        return -1;
-    }
-    return 0;
-#else /* !MS_WINDOWS */
-    if (gmtime_r(&t, tm) == NULL) {
-#ifdef EINVAL
-        if (errno == 0) {
-            errno = EINVAL;
-        }
-#endif
-        PyErr_SetFromErrno(PyExc_OSError);
-        return -1;
-    }
-    return 0;
-#endif /* MS_WINDOWS */
-}
+    if (localtime_r(&t, tm) == NULL) { 
+        if (errno == 0) { 
+            errno = EINVAL; 
+        } 
+        PyErr_SetFromErrno(PyExc_OSError); 
+        return -1; 
+    } 
+    return 0; 
+#endif /* MS_WINDOWS */ 
+} 
+ 
+int 
+_PyTime_gmtime(time_t t, struct tm *tm) 
+{ 
+#ifdef MS_WINDOWS 
+    int error; 
+ 
+    error = gmtime_s(tm, &t); 
+    if (error != 0) { 
+        errno = error; 
+        PyErr_SetFromErrno(PyExc_OSError); 
+        return -1; 
+    } 
+    return 0; 
+#else /* !MS_WINDOWS */ 
+    if (gmtime_r(&t, tm) == NULL) { 
+#ifdef EINVAL 
+        if (errno == 0) { 
+            errno = EINVAL; 
+        } 
+#endif 
+        PyErr_SetFromErrno(PyExc_OSError); 
+        return -1; 
+    } 
+    return 0; 
+#endif /* MS_WINDOWS */ 
+}