selftests/coredump: handle edge-triggered epoll correctly

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by putting the file descriptor into non-blocking mode.

Link: https://patch.msgid.link/20251028-work-coredump-signal-v1-16-ca449b7b7aa0@kernel.org
Reviewed-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Christian Brauner 2025-10-28 09:46:01 +01:00

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commit 305e6b167c

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tools/testing/selftests/coredump/coredump_test_helpers.c

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