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bpo-33532: Fix multiprocessing test_ignore() (GH-7262) 

Fix test_ignore() of multiprocessing tests like
test_multiprocessing_forkserver: use support.PIPE_MAX_SIZE to make
sure that send_bytes() blocks.
(cherry picked from commit 5d6c7ed5e3)

Co-authored-by: Victor Stinner <vstinner@redhat.com>
This commit is contained in:
Miss Islington (bot) 2018-05-30 20:28:04 -07:00 committed by GitHub
parent d8bc353aa1
commit 9d27334423
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1 changed files with 2 additions and 2 deletions
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4
Lib/test/_test_multiprocessing.py
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@ -4303,7 +4303,7 @@ class TestIgnoreEINTR(unittest.TestCase):
conn.send('ready')
x = conn.recv()
conn.send(x)
conn.send_bytes(b'x' * (1024 * 1024)) # sending 1 MiB should block
conn.send_bytes(b'x' * support.PIPE_MAX_SIZE)
@unittest.skipUnless(hasattr(signal, 'SIGUSR1'), 'requires SIGUSR1')
def test_ignore(self):
@ -4322,7 +4322,7 @@ class TestIgnoreEINTR(unittest.TestCase):
self.assertEqual(conn.recv(), 1234)
time.sleep(0.1)
os.kill(p.pid, signal.SIGUSR1)
self.assertEqual(conn.recv_bytes(), b'x'*(1024*1024))
self.assertEqual(conn.recv_bytes(), b'x' * support.PIPE_MAX_SIZE)
time.sleep(0.1)
p.join()
finally: