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Issue #3210: Ensure stdio handles are closed if CreateProcess fails

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This commit is contained in:
Tim Golden 2010-08-06 13:20:12 +00:00
parent 51ced7afe7
commit 40b3744efa
2 changed files with 37 additions and 2 deletions
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20
Lib/test/test_subprocess.py
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@ -548,6 +548,26 @@ class ProcessTestCase(unittest.TestCase):
output = subprocess.check_output([sys.executable, '-c', code])
self.assert_(output.startswith(b'Hello World!'), ascii(output))
def test_handles_closed_on_exception(self):
# If CreateProcess exits with an error, ensure the
# duplicate output handles are released
ifhandle, ifname = self.mkstemp()
ofhandle, ofname = self.mkstemp()
efhandle, efname = self.mkstemp()
try:
subprocess.Popen (["*"], stdin=ifhandle, stdout=ofhandle,
stderr=efhandle)
except OSError:
os.close(ifhandle)
os.remove(ifname)
os.close(ofhandle)
os.remove(ofname)
os.close(efhandle)
os.remove(efname)
self.assertFalse(os.path.exists(ifname))
self.assertFalse(os.path.exists(ofname))
self.assertFalse(os.path.exists(efname))
#
# POSIX tests
#