gh-110850: Use public PyTime functions (#115746)

Replace private _PyTime functions with public PyTime functions.

random_seed_time_pid() now reports errors to its caller.
This commit is contained in:
Victor Stinner 2024-02-21 00:31:30 +01:00 committed by GitHub
parent 52d1477566
commit 145bc2d638
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GPG Key ID: B5690EEEBB952194
12 changed files with 39 additions and 55 deletions

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@ -321,7 +321,6 @@ extern int _PyTime_PerfCounterWithInfo(
// Alias for backward compatibility
#define _PyTime_MIN PyTime_MIN
#define _PyTime_MAX PyTime_MAX
#define _PyTime_AsSecondsDouble PyTime_AsSecondsDouble
// --- _PyDeadline -----------------------------------------------------------

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@ -5133,7 +5133,11 @@ datetime_from_timestamp(PyObject *cls, TM_FUNC f, PyObject *timestamp,
static PyObject *
datetime_best_possible(PyObject *cls, TM_FUNC f, PyObject *tzinfo)
{
PyTime_t ts = _PyTime_TimeUnchecked();
PyTime_t ts;
if (PyTime_Time(&ts) < 0) {
return NULL;
}
time_t secs;
int us;

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@ -6,7 +6,7 @@
#include "pycore_ceval.h" // Py_MakePendingCalls()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_parking_lot.h"
#include "pycore_time.h" // PyTime_t
#include "pycore_time.h" // _PyTime_FromSecondsObject()
#include <stdbool.h>
#include <stddef.h> // offsetof()

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@ -75,7 +75,6 @@
#include "pycore_modsupport.h" // _PyArg_NoKeywords()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_pylifecycle.h" // _PyOS_URandomNonblock()
#include "pycore_time.h" // _PyTime_TimeUnchecked()
#ifdef HAVE_UNISTD_H
# include <unistd.h> // getpid()
@ -260,13 +259,15 @@ random_seed_urandom(RandomObject *self)
return 0;
}
static void
static int
random_seed_time_pid(RandomObject *self)
{
PyTime_t now;
uint32_t key[5];
if (PyTime_Time(&now) < 0) {
return -1;
}
now = _PyTime_TimeUnchecked();
uint32_t key[5];
key[0] = (uint32_t)(now & 0xffffffffU);
key[1] = (uint32_t)(now >> 32);
@ -278,11 +279,14 @@ random_seed_time_pid(RandomObject *self)
key[2] = 0;
#endif
now = _PyTime_MonotonicUnchecked();
if (PyTime_Monotonic(&now) < 0) {
return -1;
}
key[3] = (uint32_t)(now & 0xffffffffU);
key[4] = (uint32_t)(now >> 32);
init_by_array(self, key, Py_ARRAY_LENGTH(key));
return 0;
}
static int
@ -300,7 +304,9 @@ random_seed(RandomObject *self, PyObject *arg)
/* Reading system entropy failed, fall back on the worst entropy:
use the current time and process identifier. */
random_seed_time_pid(self);
if (random_seed_time_pid(self) < 0) {
return -1;
}
}
return 0;
}

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@ -2,7 +2,7 @@
#include "parts.h"
#include "pycore_time.h"
#include "pycore_time.h" // _PyTime_FromSeconds()
#ifdef MS_WINDOWS
# include <winsock2.h> // struct timeval

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@ -8,7 +8,6 @@
//#include <time.h>
#include "Python.h"
#include "pycore_namespace.h" // _PyNamespace_New()
#include "pycore_time.h" // PyTime_t
typedef struct {
@ -71,13 +70,13 @@ _set_initialized(PyTime_t *initialized)
{
/* We go strictly monotonic to ensure each time is unique. */
PyTime_t prev;
if (_PyTime_MonotonicWithInfo(&prev, NULL) != 0) {
if (PyTime_Monotonic(&prev) != 0) {
return -1;
}
/* We do a busy sleep since the interval should be super short. */
PyTime_t t;
do {
if (_PyTime_MonotonicWithInfo(&t, NULL) != 0) {
if (PyTime_Monotonic(&t) != 0) {
return -1;
}
} while (t == prev);
@ -136,7 +135,7 @@ init_module(PyObject *module, module_state *state)
return -1;
}
double d = _PyTime_AsSecondsDouble(state->initialized);
double d = PyTime_AsSecondsDouble(state->initialized);
if (PyModule_Add(module, "_module_initialized", PyFloat_FromDouble(d)) < 0) {
return -1;
}
@ -157,7 +156,7 @@ common_state_initialized(PyObject *self, PyObject *Py_UNUSED(ignored))
if (state == NULL) {
Py_RETURN_NONE;
}
double d = _PyTime_AsSecondsDouble(state->initialized);
double d = PyTime_AsSecondsDouble(state->initialized);
return PyFloat_FromDouble(d);
}

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@ -1948,7 +1948,7 @@ thread_module_exec(PyObject *module)
// TIMEOUT_MAX
double timeout_max = (double)PY_TIMEOUT_MAX * 1e-6;
double time_max = _PyTime_AsSecondsDouble(_PyTime_MAX);
double time_max = PyTime_AsSecondsDouble(_PyTime_MAX);
timeout_max = Py_MIN(timeout_max, time_max);
// Round towards minus infinity
timeout_max = floor(timeout_max);

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@ -15,7 +15,7 @@
#include "Python.h"
#include "pycore_fileutils.h" // _Py_set_inheritable()
#include "pycore_import.h" // _PyImport_GetModuleAttrString()
#include "pycore_time.h" // PyTime_t
#include "pycore_time.h" // _PyTime_FromSecondsObject()
#include <stdbool.h>
#include <stddef.h> // offsetof()

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@ -3113,7 +3113,7 @@ sock_gettimeout(PySocketSockObject *s, PyObject *Py_UNUSED(ignored))
Py_RETURN_NONE;
}
else {
double seconds = _PyTime_AsSecondsDouble(s->sock_timeout);
double seconds = PyTime_AsSecondsDouble(s->sock_timeout);
return PyFloat_FromDouble(seconds);
}
}
@ -6917,7 +6917,7 @@ socket_getdefaulttimeout(PyObject *self, PyObject *Py_UNUSED(ignored))
Py_RETURN_NONE;
}
else {
double seconds = _PyTime_AsSecondsDouble(state->defaulttimeout);
double seconds = PyTime_AsSecondsDouble(state->defaulttimeout);
return PyFloat_FromDouble(seconds);
}
}

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@ -98,24 +98,16 @@ get_time_state(PyObject *module)
static PyObject*
_PyFloat_FromPyTime(PyTime_t t)
{
double d = _PyTime_AsSecondsDouble(t);
double d = PyTime_AsSecondsDouble(t);
return PyFloat_FromDouble(d);
}
static int
get_system_time(PyTime_t *t)
{
// Avoid _PyTime_TimeUnchecked() which silently ignores errors.
return _PyTime_TimeWithInfo(t, NULL);
}
static PyObject *
time_time(PyObject *self, PyObject *unused)
{
PyTime_t t;
if (get_system_time(&t) < 0) {
if (PyTime_Time(&t) < 0) {
return NULL;
}
return _PyFloat_FromPyTime(t);
@ -132,7 +124,7 @@ static PyObject *
time_time_ns(PyObject *self, PyObject *unused)
{
PyTime_t t;
if (get_system_time(&t) < 0) {
if (PyTime_Time(&t) < 0) {
return NULL;
}
return _PyTime_AsNanosecondsObject(t);
@ -1156,19 +1148,11 @@ should not be relied on.");
#endif /* HAVE_WORKING_TZSET */
static int
get_monotonic(PyTime_t *t)
{
// Avoid _PyTime_MonotonicUnchecked() which silently ignores errors.
return _PyTime_MonotonicWithInfo(t, NULL);
}
static PyObject *
time_monotonic(PyObject *self, PyObject *unused)
{
PyTime_t t;
if (get_monotonic(&t) < 0) {
if (PyTime_Monotonic(&t) < 0) {
return NULL;
}
return _PyFloat_FromPyTime(t);
@ -1183,7 +1167,7 @@ static PyObject *
time_monotonic_ns(PyObject *self, PyObject *unused)
{
PyTime_t t;
if (get_monotonic(&t) < 0) {
if (PyTime_Monotonic(&t) < 0) {
return NULL;
}
return _PyTime_AsNanosecondsObject(t);
@ -1195,19 +1179,11 @@ PyDoc_STRVAR(monotonic_ns_doc,
Monotonic clock, cannot go backward, as nanoseconds.");
static int
get_perf_counter(PyTime_t *t)
{
// Avoid _PyTime_PerfCounterUnchecked() which silently ignores errors.
return _PyTime_PerfCounterWithInfo(t, NULL);
}
static PyObject *
time_perf_counter(PyObject *self, PyObject *unused)
{
PyTime_t t;
if (get_perf_counter(&t) < 0) {
if (PyTime_PerfCounter(&t) < 0) {
return NULL;
}
return _PyFloat_FromPyTime(t);
@ -1223,7 +1199,7 @@ static PyObject *
time_perf_counter_ns(PyObject *self, PyObject *unused)
{
PyTime_t t;
if (get_perf_counter(&t) < 0) {
if (PyTime_PerfCounter(&t) < 0) {
return NULL;
}
return _PyTime_AsNanosecondsObject(t);
@ -2190,7 +2166,7 @@ pysleep(PyTime_t timeout)
PyTime_t deadline, monotonic;
int err = 0;
if (get_monotonic(&monotonic) < 0) {
if (PyTime_Monotonic(&monotonic) < 0) {
return -1;
}
deadline = monotonic + timeout;
@ -2243,7 +2219,7 @@ pysleep(PyTime_t timeout)
}
#ifndef HAVE_CLOCK_NANOSLEEP
if (get_monotonic(&monotonic) < 0) {
if (PyTime_Monotonic(&monotonic) < 0) {
return -1;
}
timeout = deadline - monotonic;

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@ -1428,7 +1428,7 @@ gc_collect_main(PyThreadState *tstate, int generation, _PyGC_Reason reason)
debug_cycle("uncollectable", FROM_GC(gc));
}
if (gcstate->debug & _PyGC_DEBUG_STATS) {
double d = _PyTime_AsSecondsDouble(_PyTime_PerfCounterUnchecked() - t1);
double d = PyTime_AsSecondsDouble(_PyTime_PerfCounterUnchecked() - t1);
PySys_WriteStderr(
"gc: done, %zd unreachable, %zd uncollectable, %.4fs elapsed\n",
n+m, n, d);

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@ -1136,7 +1136,7 @@ gc_collect_main(PyThreadState *tstate, int generation, _PyGC_Reason reason)
n = state.uncollectable;
if (gcstate->debug & _PyGC_DEBUG_STATS) {
double d = _PyTime_AsSecondsDouble(_PyTime_PerfCounterUnchecked() - t1);
double d = PyTime_AsSecondsDouble(_PyTime_PerfCounterUnchecked() - t1);
PySys_WriteStderr(
"gc: done, %zd unreachable, %zd uncollectable, %.4fs elapsed\n",
n+m, n, d);