tick_dep_set_signal  515 kernel/time/posix-cpu-timers.c 		tick_dep_set_signal(p->signal, TICK_DEP_BIT_POSIX_TIMER);
tick_dep_set_signal 1216 kernel/time/posix-cpu-timers.c 	tick_dep_set_signal(tsk->signal, TICK_DEP_BIT_POSIX_TIMER);