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closes bpo-31596: Add an interface for pthread_getcpuclockid(3) (#3756)

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pdox 2017-10-05 00:01:56 -07:00 • committed by Benjamin Peterson
parent 55fd06605b
commit e14679c784
7 changed files with 84 additions and 0 deletions
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20
Lib/test/test_time.py
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@ -7,6 +7,7 @@ import platform
import sys
import sysconfig
import time
import threading
import unittest
try:
import _testcapi
@ -80,6 +81,25 @@ class TimeTestCase(unittest.TestCase):
b = time.clock_gettime(time.CLOCK_MONOTONIC)
self.assertLessEqual(a, b)
@unittest.skipUnless(hasattr(time, 'pthread_getcpuclockid'),
'need time.pthread_getcpuclockid()')
@unittest.skipUnless(hasattr(time, 'clock_gettime'),
'need time.clock_gettime()')
@unittest.skipUnless(hasattr(time, 'CLOCK_THREAD_CPUTIME_ID'),
'need time.CLOCK_THREAD_CPUTIME_ID')
def test_pthread_getcpuclockid(self):
clk_id = time.pthread_getcpuclockid(threading.get_ident())
self.assertTrue(type(clk_id) is int)
self.assertNotEqual(clk_id, time.CLOCK_THREAD_CPUTIME_ID)
# This should suffice to show that both calls are measuring the same clock.
t1 = time.clock_gettime(clk_id)
t2 = time.clock_gettime(time.CLOCK_THREAD_CPUTIME_ID)
t3 = time.clock_gettime(clk_id)
t4 = time.clock_gettime(time.CLOCK_THREAD_CPUTIME_ID)
self.assertLessEqual(t1, t2)
self.assertLessEqual(t2, t3)
self.assertLessEqual(t3, t4)
@unittest.skipUnless(hasattr(time, 'clock_getres'),
'need time.clock_getres()')
def test_clock_getres(self):