EFD_CLOEXEC 412 fs/eventfd.c BUILD_BUG_ON(EFD_CLOEXEC != O_CLOEXEC); EFD_CLOEXEC 10 tools/perf/trace/beauty/eventfd.c #ifndef EFD_CLOEXEC EFD_CLOEXEC 376 tools/testing/selftests/uevent/uevent_filtering.c sync_fd = eventfd(0, EFD_CLOEXEC);