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Khem Raj
2a36133394
test_close_all_fds closes the socket through the IOLoop's shadow socket and then reads s.closed. pyzmq implements that by calling zmq_getsockopt() on the handle, which libzmq's reaper thread may already have freed. With glibc the memory stays mapped, libzmq's tag check fails and ENOTSOCK comes back; musl's allocator can unmap it, so the ptest run segfaults intermittently and loses every result after it: File ".../tests/test_future.py", line 319 in test_close_all_fds Segmentation fault (core dumped) Closing a socket via a shadow and then querying .closed on the original segfaults on musl every time in a standalone reproducer and survives on glibc. Skip the test for musl. Tested with meta-python-image-ptest-python3-pyzmq on qemux86-64 with yoe-musl-systemd-wayland. AI-Generated: Uses Claude Code Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>