bpo-36279: Ensure os.wait3() rusage is initialized by ZackerySpytz · Pull Request #15111 · python/cpython
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@@ -2,6 +2,8 @@
"""
import os import subprocess import sys import time import unittest from test.fork_wait import ForkWait Expand Down Expand Up @@ -31,6 +33,22 @@ def wait_impl(self, cpid): self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8)) self.assertTrue(rusage)
def test_wait3_rusage_initialized(self): # Ensure a successful wait3() call where no child was ready to report # its exit status does not return uninitialized memory in the rusage # structure. See bpo-36279. args = [sys.executable, '-c', 'import sys; sys.stdin.read()'] proc = subprocess.Popen(args, stdin=subprocess.PIPE) try: pid, status, rusage = os.wait3(os.WNOHANG) self.assertEqual(0, pid) self.assertEqual(0, status) self.assertEqual(0, sum(rusage)) finally: proc.stdin.close() proc.wait()
def tearDownModule(): reap_children()
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import os import subprocess import sys import time import unittest from test.fork_wait import ForkWait Expand Down Expand Up @@ -31,6 +33,22 @@ def wait_impl(self, cpid): self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8)) self.assertTrue(rusage)
def test_wait3_rusage_initialized(self): # Ensure a successful wait3() call where no child was ready to report # its exit status does not return uninitialized memory in the rusage # structure. See bpo-36279. args = [sys.executable, '-c', 'import sys; sys.stdin.read()'] proc = subprocess.Popen(args, stdin=subprocess.PIPE) try: pid, status, rusage = os.wait3(os.WNOHANG) self.assertEqual(0, pid) self.assertEqual(0, status) self.assertEqual(0, sum(rusage)) finally: proc.stdin.close() proc.wait()
def tearDownModule(): reap_children()
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