TFD_NONBLOCK 394 fs/timerfd.c BUILD_BUG_ON(TFD_NONBLOCK != O_NONBLOCK); TFD_NONBLOCK 14 include/linux/timerfd.h #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK) TFD_NONBLOCK 11 tools/build/feature/test-timerfd.c int fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK); TFD_NONBLOCK 855 tools/perf/builtin-kvm.c kvm->timerfd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK);