From b21411eb8d035ec00b2c74c0cbadcf7d804070a8 Mon Sep 17 00:00:00 2001 From: Victor Stinner Date: Thu, 31 May 2018 05:08:42 +0200 Subject: [PATCH] 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 5d6c7ed5e340b2311a15f34e968d4bef09c71922) Co-authored-by: Victor Stinner --- Lib/test/_test_multiprocessing.py | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py index aa8eb7564130ae..f29dda70029bc2 100644 --- a/Lib/test/_test_multiprocessing.py +++ b/Lib/test/_test_multiprocessing.py @@ -4303,7 +4303,7 @@ def handler(signum, frame): 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 @@ def test_ignore(self): 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: