75 static void __user *sig_handler(struct task_struct *t, int sig)  in sig_handler()
80 static inline bool sig_handler_ignored(void __user *handler, int sig)  in sig_handler_ignored()
87 static bool sig_task_ignored(struct task_struct *t, int sig, bool force)  in sig_task_ignored()
109 static bool sig_ignored(struct task_struct *t, int sig, bool force)  in sig_ignored()
208 	int sig = 0;  in next_signal()  local
251 static inline void print_dropped_signal(int sig)  in print_dropped_signal()
365 	struct signal_struct *sig = task->signal;  in task_participate_group_stop()  local
392 	struct signal_struct *sig = current->signal;  in task_join_group_stop()  local
410 __sigqueue_alloc(int sig, struct task_struct *t, gfp_t gfp_flags,  in __sigqueue_alloc()
497 		int sig = q->info.si_signo;  in __flush_itimer_signals()  local
554 bool unhandled_signal(struct task_struct *tsk, int sig)  in unhandled_signal()
571 static void collect_signal(int sig, struct sigpending *list, kernel_siginfo_t *info,  in collect_signal()
619 	int sig = next_signal(pending, mask);  in __dequeue_signal()  local
835 static int check_kill_permission(int sig, struct kernel_siginfo *info,  in check_kill_permission()
907 static bool prepare_signal(int sig, struct task_struct *p, bool force)  in prepare_signal()
982 static inline bool wants_signal(int sig, struct task_struct *p)  in wants_signal()
999 static void complete_signal(int sig, struct task_struct *p, enum pid_type type)  in complete_signal()
1074 static inline bool legacy_queue(struct sigpending *signals, int sig)  in legacy_queue()
1079 static int __send_signal_locked(int sig, struct kernel_siginfo *info,  in __send_signal_locked()
1220 int send_signal_locked(int sig, struct kernel_siginfo *info,  in send_signal_locked()
1299 int do_send_sig_info(int sig, struct kernel_siginfo *info, struct task_struct *p,  in do_send_sig_info()
1338 	int sig = info->si_signo;  in force_sig_info_to_task()  local
1447 int group_send_sig_info(int sig, struct kernel_siginfo *info,  in group_send_sig_info()
1475 int __kill_pgrp_info(int sig, struct kernel_siginfo *info, struct pid *pgrp)  in __kill_pgrp_info()
1495 static int kill_pid_info_type(int sig, struct kernel_siginfo *info,  in kill_pid_info_type()
1517 int kill_pid_info(int sig, struct kernel_siginfo *info, struct pid *pid)  in kill_pid_info()
1522 static int kill_proc_info(int sig, struct kernel_siginfo *info, pid_t pid)  in kill_proc_info()
1567 int kill_pid_usb_asyncio(int sig, int errno, sigval_t addr,  in kill_pid_usb_asyncio()
1618 static int kill_something_info(int sig, struct kernel_siginfo *info, pid_t pid)  in kill_something_info()
1658 int send_sig_info(int sig, struct kernel_siginfo *info, struct task_struct *p)  in send_sig_info()
1675 send_sig(int sig, struct task_struct *p, int priv)  in send_sig()
1681 void force_sig(int sig)  in force_sig()
1695 void force_fatal_sig(int sig)  in force_fatal_sig()
1708 void force_exit_sig(int sig)  in force_exit_sig()
1727 void force_sigsegv(int sig)  in force_sigsegv()
1735 int force_sig_fault_to_task(int sig, int code, void __user *addr,  in force_sig_fault_to_task()
1748 int force_sig_fault(int sig, int code, void __user *addr)  in force_sig_fault()
1753 int send_sig_fault(int sig, int code, void __user *addr, struct task_struct *t)  in send_sig_fault()
1890 int force_sig_fault_trapno(int sig, int code, void __user *addr, int trapno)  in force_sig_fault_trapno()
1906 int send_sig_fault_trapno(int sig, int code, void __user *addr, int trapno,  in send_sig_fault_trapno()
1920 static int kill_pgrp_info(int sig, struct kernel_siginfo *info, struct pid *pgrp)  in kill_pgrp_info()
1929 int kill_pgrp(struct pid *pid, int sig, int priv)  in kill_pgrp()
1935 int kill_pid(struct pid *pid, int sig, int priv)  in kill_pid()
1983 	int sig = q->info.si_signo;  in send_sigqueue()  local
2065 bool do_notify_parent(struct task_struct *tsk, int sig)  in do_notify_parent()
2452 	struct signal_struct *sig = current->signal;  in do_signal_stop()  local
3335 static bool known_siginfo_layout(unsigned sig, int si_code)  in known_siginfo_layout()
3354 enum siginfo_layout siginfo_layout(unsigned sig, int si_code)  in siginfo_layout()
3651 	int sig, ret = 0;  in do_sigtimedwait()  local
3832 static void prepare_kill_siginfo(int sig, struct kernel_siginfo *info,  in prepare_kill_siginfo()
3848 SYSCALL_DEFINE2(kill, pid_t, pid, int, sig)  in SYSCALL_DEFINE2()  argument
3909 static int do_pidfd_send_signal(struct pid *pid, int sig, enum pid_type type,  in do_pidfd_send_signal()
3964 SYSCALL_DEFINE4(pidfd_send_signal, int, pidfd, int, sig,  in SYSCALL_DEFINE4()  argument
4023 do_send_specific(pid_t tgid, pid_t pid, int sig, struct kernel_siginfo *info)  in do_send_specific()
4052 static int do_tkill(pid_t tgid, pid_t pid, int sig)  in do_tkill()
4071 SYSCALL_DEFINE3(tgkill, pid_t, tgid, pid_t, pid, int, sig)  in SYSCALL_DEFINE3()  argument
4087 SYSCALL_DEFINE2(tkill, pid_t, pid, int, sig)  in SYSCALL_DEFINE2()  argument
4096 static int do_rt_sigqueueinfo(pid_t pid, int sig, kernel_siginfo_t *info)  in do_rt_sigqueueinfo()
4115 SYSCALL_DEFINE3(rt_sigqueueinfo, pid_t, pid, int, sig,  in SYSCALL_DEFINE3()  argument
4126 COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo,  in COMPAT_SYSCALL_DEFINE3()  argument
4139 static int do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, kernel_siginfo_t *info)  in do_rt_tgsigqueueinfo()
4155 SYSCALL_DEFINE4(rt_tgsigqueueinfo, pid_t, tgid, pid_t, pid, int, sig,  in SYSCALL_DEFINE4()  argument
4166 COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo,  in COMPAT_SYSCALL_DEFINE4()  argument
4183 void kernel_sigaction(int sig, __sighandler_t action)  in kernel_sigaction()
4206 int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)  in do_sigaction()
4529 SYSCALL_DEFINE4(rt_sigaction, int, sig,  in SYSCALL_DEFINE4()  argument
4554 COMPAT_SYSCALL_DEFINE4(rt_sigaction, int, sig,  in COMPAT_SYSCALL_DEFINE4()  argument
4601 SYSCALL_DEFINE3(sigaction, int, sig,  in SYSCALL_DEFINE3()  argument
4637 COMPAT_SYSCALL_DEFINE3(sigaction, int, sig,  in COMPAT_SYSCALL_DEFINE3()  argument
4705 SYSCALL_DEFINE2(signal, int, sig, __sighandler_t, handler)  in SYSCALL_DEFINE2()  argument
4912 void kdb_send_sig(struct task_struct *t, int sig)  in kdb_send_sig()