TFD_CLOEXEC       393 fs/timerfd.c   	BUILD_BUG_ON(TFD_CLOEXEC != O_CLOEXEC);
TFD_CLOEXEC        14 include/linux/timerfd.h #define TFD_SHARED_FCNTL_FLAGS (TFD_CLOEXEC | TFD_NONBLOCK)