72 static void __user *sig_handler(struct task_struct *t, int sig)  in sig_handler()
77 static inline bool sig_handler_ignored(void __user *handler, int sig)  in sig_handler_ignored()
84 static bool sig_task_ignored(struct task_struct *t, int sig, bool force)  in sig_task_ignored()
106 static bool sig_ignored(struct task_struct *t, int sig, bool force)  in sig_ignored()
206 	int sig = 0;  in next_signal()  local
249 static inline void print_dropped_signal(int sig)  in print_dropped_signal()
363 	struct signal_struct *sig = task->signal;  in task_participate_group_stop()  local
390 	struct signal_struct *sig = current->signal;  in task_join_group_stop()  local
402 static struct ucounts *sig_get_ucounts(struct task_struct *t, int sig,  in sig_get_ucounts()
446 static struct sigqueue *sigqueue_alloc(int sig, struct task_struct *t, gfp_t gfp_flags,  in sigqueue_alloc()
536 bool unhandled_signal(struct task_struct *tsk, int sig)  in unhandled_signal()
553 static void collect_signal(int sig, struct sigpending *list, kernel_siginfo_t *info,  in collect_signal()
606 	int sig = next_signal(pending, mask);  in __dequeue_signal()  local
799 static int check_kill_permission(int sig, struct kernel_siginfo *info,  in check_kill_permission()
871 static bool prepare_signal(int sig, struct task_struct *p, bool force)  in prepare_signal()
946 static inline bool wants_signal(int sig, struct task_struct *p)  in wants_signal()
963 static void complete_signal(int sig, struct task_struct *p, enum pid_type type)  in complete_signal()
1037 static inline bool legacy_queue(struct sigpending *signals, int sig)  in legacy_queue()
1042 static int __send_signal_locked(int sig, struct kernel_siginfo *info,  in __send_signal_locked()
1183 int send_signal_locked(int sig, struct kernel_siginfo *info,  in send_signal_locked()
1262 int do_send_sig_info(int sig, struct kernel_siginfo *info, struct task_struct *p,  in do_send_sig_info()
1300 	int sig = info->si_signo;  in force_sig_info_to_task()  local
1409 int group_send_sig_info(int sig, struct kernel_siginfo *info,  in group_send_sig_info()
1429 int __kill_pgrp_info(int sig, struct kernel_siginfo *info, struct pid *pgrp)  in __kill_pgrp_info()
1449 static int kill_pid_info_type(int sig, struct kernel_siginfo *info,  in kill_pid_info_type()
1471 int kill_pid_info(int sig, struct kernel_siginfo *info, struct pid *pid)  in kill_pid_info()
1476 static int kill_proc_info(int sig, struct kernel_siginfo *info, pid_t pid)  in kill_proc_info()
1521 int kill_pid_usb_asyncio(int sig, int errno, sigval_t addr,  in kill_pid_usb_asyncio()
1572 static int kill_something_info(int sig, struct kernel_siginfo *info, pid_t pid)  in kill_something_info()
1612 int send_sig_info(int sig, struct kernel_siginfo *info, struct task_struct *p)  in send_sig_info()
1629 send_sig(int sig, struct task_struct *p, int priv)  in send_sig()
1635 void force_sig(int sig)  in force_sig()
1649 void force_fatal_sig(int sig)  in force_fatal_sig()
1662 void force_exit_sig(int sig)  in force_exit_sig()
1681 void force_sigsegv(int sig)  in force_sigsegv()
1689 int force_sig_fault_to_task(int sig, int code, void __user *addr,  in force_sig_fault_to_task()
1702 int force_sig_fault(int sig, int code, void __user *addr)  in force_sig_fault()
1707 int send_sig_fault(int sig, int code, void __user *addr, struct task_struct *t)  in send_sig_fault()
1844 int force_sig_fault_trapno(int sig, int code, void __user *addr, int trapno)  in force_sig_fault_trapno()
1860 int send_sig_fault_trapno(int sig, int code, void __user *addr, int trapno,  in send_sig_fault_trapno()
1874 static int kill_pgrp_info(int sig, struct kernel_siginfo *info, struct pid *pgrp)  in kill_pgrp_info()
1883 int kill_pgrp(struct pid *pid, int sig, int priv)  in kill_pgrp()
1889 int kill_pid(struct pid *pid, int sig, int priv)  in kill_pid()
1909 		int sig = q->info.si_signo;  in __flush_itimer_signals()  local
1946 	int sig = q->info.si_signo;  in posixtimer_queue_sigqueue()  local
1979 	int sig = q->info.si_signo;  in posixtimer_send_sigqueue()  local
2102 static void posixtimer_sig_unignore(struct task_struct *tsk, int sig)  in posixtimer_sig_unignore()
2148 static inline void posixtimer_sig_unignore(struct task_struct *tsk, int sig) { }  in posixtimer_sig_unignore()
2168 bool do_notify_parent(struct task_struct *tsk, int sig)  in do_notify_parent()
2553 	struct signal_struct *sig = current->signal;  in do_signal_stop()  local
3436 static bool known_siginfo_layout(unsigned sig, int si_code)  in known_siginfo_layout()
3455 enum siginfo_layout siginfo_layout(unsigned sig, int si_code)  in siginfo_layout()
3752 	int sig, ret = 0;  in do_sigtimedwait()  local
3933 static void prepare_kill_siginfo(int sig, struct kernel_siginfo *info,  in prepare_kill_siginfo()
3949 SYSCALL_DEFINE2(kill, pid_t, pid, int, sig)  in SYSCALL_DEFINE2()  argument
4010 static int do_pidfd_send_signal(struct pid *pid, int sig, enum pid_type type,  in do_pidfd_send_signal()
4065 SYSCALL_DEFINE4(pidfd_send_signal, int, pidfd, int, sig,  in SYSCALL_DEFINE4()  argument
4115 do_send_specific(pid_t tgid, pid_t pid, int sig, struct kernel_siginfo *info)  in do_send_specific()
4144 static int do_tkill(pid_t tgid, pid_t pid, int sig)  in do_tkill()
4163 SYSCALL_DEFINE3(tgkill, pid_t, tgid, pid_t, pid, int, sig)  in SYSCALL_DEFINE3()  argument
4179 SYSCALL_DEFINE2(tkill, pid_t, pid, int, sig)  in SYSCALL_DEFINE2()  argument
4188 static int do_rt_sigqueueinfo(pid_t pid, int sig, kernel_siginfo_t *info)  in do_rt_sigqueueinfo()
4207 SYSCALL_DEFINE3(rt_sigqueueinfo, pid_t, pid, int, sig,  in SYSCALL_DEFINE3()  argument
4218 COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo,  in COMPAT_SYSCALL_DEFINE3()  argument
4231 static int do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, kernel_siginfo_t *info)  in do_rt_tgsigqueueinfo()
4247 SYSCALL_DEFINE4(rt_tgsigqueueinfo, pid_t, tgid, pid_t, pid, int, sig,  in SYSCALL_DEFINE4()  argument
4258 COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo,  in COMPAT_SYSCALL_DEFINE4()  argument
4275 void kernel_sigaction(int sig, __sighandler_t action)  in kernel_sigaction()
4298 int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)  in do_sigaction()
4625 SYSCALL_DEFINE4(rt_sigaction, int, sig,  in SYSCALL_DEFINE4()  argument
4650 COMPAT_SYSCALL_DEFINE4(rt_sigaction, int, sig,  in COMPAT_SYSCALL_DEFINE4()  argument
4697 SYSCALL_DEFINE3(sigaction, int, sig,  in SYSCALL_DEFINE3()  argument
4733 COMPAT_SYSCALL_DEFINE3(sigaction, int, sig,  in COMPAT_SYSCALL_DEFINE3()  argument
4801 SYSCALL_DEFINE2(signal, int, sig, __sighandler_t, handler)  in SYSCALL_DEFINE2()  argument
5007 void kdb_send_sig(struct task_struct *t, int sig)  in kdb_send_sig()