45         _sa_handler: NULL as u64,
49     sa_restorer: NULL as u64,
56         _sa_handler: NULL as u64,
60     sa_restorer: NULL as u64,
232     if sig == SignalNumber::SIGKILL || (pcb.flags & (PF_KTHREAD as u64)) != 0 {  in __send_signal_locked()
317     if (pcb.flags & (PF_EXITING as u64)) > 0 {  in wants_signal()
370     let mut state: u64 = 0;  in signal_wake_up()
372         state = PF_WAKEKILL as u64;  in signal_wake_up()
377 fn signal_wake_up_state(pcb: &mut process_control_block, state: u64) {  in signal_wake_up_state()  argument
382     if !process_wake_up_state(pcb, state | (PROC_INTERRUPTIBLE as u64)) {  in signal_wake_up_state()
479         current_pcb().flags |= PF_SIGNALED as u64;  in get_signal_to_deliver()
482         unsafe { process_do_exit(info.unwrap()._sinfo.data.si_signo as u64) };  in get_signal_to_deliver()
607     let access_check_ok = unsafe { verify_area(frame as u64, size_of::<sigframe>() as u64) };  in setup_frame()
616         (*frame).arg0 = sig as u64;  in setup_frame()
661     regs.rdi = sig as u64;  in setup_frame()
662     regs.rsi = unsafe { &(*frame).info as *const siginfo as u64 };  in setup_frame()
663     regs.rsp = frame as u64;  in setup_frame()
680     regs.cs = (USER_CS | 0x3) as u64;  in setup_frame()
681     regs.ds = (USER_DS | 0x3) as u64;  in setup_frame()
702     if unsafe { !verify_area(to as u64, size_of::<siginfo>() as u64) } {  in copy_siginfo_to_user()
865 pub fn sigmask(sig: SignalNumber) -> u64 {  in sigmask()  argument
870 pub fn sys_rt_sigreturn(regs: &mut pt_regs) -> u64 {  in sys_rt_sigreturn()  argument
874     if unsafe { !verify_area(frame as u64, size_of::<sigframe>() as u64) } {  in sys_rt_sigreturn()
878             process_do_exit(SignalNumber::SIGSEGV as u64);  in sys_rt_sigreturn()
890             process_do_exit(SignalNumber::SIGSEGV as u64);  in sys_rt_sigreturn()