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Bug description:
A new test, test_ioctl.test_ioctl_tcflush, fails for me on M1 MacBook Pro (Sequoia 15.4.1) because termios doesn't have a TCFLSH attribute.
% ./python.exe -m test test_ioctl
Using random seed: 2942680825
0:00:00 load avg: 1.77 Run 1 test sequentially in a single process
0:00:00 load avg: 1.77 [1/1] test_ioctl
test test_ioctl failed -- Traceback (most recent call last):
File "/Users/skip/src/python/cpython/Lib/test/test_ioctl.py", line 137, in test_ioctl_tcflush
r = fcntl.ioctl(tty, termios.TCFLSH, termios.TCIFLUSH)
^^^^^^^^^^^^^^
AttributeError: module 'termios' has no attribute 'TCFLSH'. Did you mean: 'CFLUSH'?
0:00:00 load avg: 1.77 [1/1/1] test_ioctl failed (1 error)
== Tests result: FAILURE ==
1 test failed:
test_ioctl
Total duration: 20 ms
Total tests: run=8
Total test files: run=1/1 failed=1
Result: FAILURE
Here's what termios does have which resembles "flush":
>>> [a for a in dir(termios) if "FLUSH" in a or "FLSH" in a]
['CFLUSH', 'FLUSHO', 'NOFLSH', 'TCIFLUSH', 'TCIOFLUSH', 'TCOFLUSH', 'TCSAFLUSH', 'TIOCPKT_FLUSHREAD', 'TIOCPKT_FLUSHWRITE']
I saw no check for TCFLSH in configure, so presume it's expected to be widely available, but I know nothing about this stuff. Pinging @serhiy-storchaka .
CPython versions tested on:
CPython main branch
Operating systems tested on:
macOS
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