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Issue #26870: Poll() also fails on OS X; try select()

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Also work around separate Open BSD bug with kill() of a zombie.
This commit is contained in:
Martin Panter 2016-05-15 15:04:58 +00:00
parent 2e1d8683c1
commit 79f561d126
1 changed files with 13 additions and 6 deletions
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19
Lib/test/test_readline.py
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@ -126,13 +126,20 @@ def run_pty(script, input=b"dummy input\r"):
os.close(slave)
with ExitStack() as cleanup:
cleanup.enter_context(proc)
cleanup.callback(proc.terminate)
def terminate(proc):
try:
proc.terminate()
except ProcessLookupError:
# Workaround for Open/Net BSD bug (Issue 16762)
pass
cleanup.callback(terminate, proc)
cleanup.callback(os.close, master)
# Avoid using DefaultSelector, because it may choose a kqueue()
# implementation, which does not work with pseudo-terminals on OS X
# < 10.9 (Issue 20365) and Open BSD (Issue 20667).
sel = getattr(selectors, "PollSelector", selectors.DefaultSelector)()
cleanup.enter_context(sel)
# Avoid using DefaultSelector and PollSelector. Kqueue() does not
# work with pseudo-terminals on OS X < 10.9 (Issue 20365) and Open
# BSD (Issue 20667). Poll() does not work with OS X 10.6 or 10.4
# either (Issue 20472). Hopefully the file descriptor is low enough
# to use with select().
sel = cleanup.enter_context(selectors.SelectSelector())
sel.register(master, selectors.EVENT_READ | selectors.EVENT_WRITE)
os.set_blocking(master, False)
while True: