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The hppa ubuntu box sometimes hangs forever in these tests. My guess

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is that the wait is failing for some reason.  Use WNOHANG, so we won't
wait until the buildbot kills the test suite.

I haven't been able to reproduce the failure, so I'm not sure if
this will help or not.  Hopefully, this change will cause the test
to fail, rather than hang.  That will be better since we will get
the rest of the test results.  It may also help us debug the real problem.
This commit is contained in:
Neal Norwitz 2006-06-18 19:37:40 +00:00
parent 9602cc2aa4
commit 10b835c401
4 changed files with 32 additions and 5 deletions
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9
Lib/test/fork_wait.py
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@ -34,7 +34,14 @@ class ForkWait(unittest.TestCase):
pass
def wait_impl(self, cpid):
spid, status = os.waitpid(cpid, 0)
for i in range(10):
# waitpid() shouldn't hang, but some of the buildbots seem to hang
# in the forking tests. This is an attempt to fix the problem.
spid, status = os.waitpid(cpid, os.WNOHANG)
if spid == cpid:
break
time.sleep(2 * SHORTSLEEP)
self.assertEquals(spid, cpid)
self.assertEquals(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))