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Pekka Paalanen authored
Some system C libraries do not have F_DUPFD_CLOEXEC. Provide a fallback. Add tests for the new wl_os_dupfd_cloexec() wrapper. Add per-wrapper call counters in os_wrappers-test.c. Makes it easier to determine the minimum required number of wrapped calls. Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
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