160 	if (!recalc_sigpending_tsk(current) && !freezing(current))  in recalc_sigpending()
228 				current->comm, current->pid, sig);  in print_dropped_signal()
455 	struct task_struct *tsk = current;  in flush_itimer_signals()
612 		current->jobctl |= JOBCTL_STOP_DEQUEUED;  in dequeue_signal()
729 	if (!same_thread_group(current, t) &&  in check_kill_permission()
738 			if (!sid || sid == task_session(current))  in check_kill_permission()
1028 			q->info.si_pid = task_tgid_nr_ns(current,  in __send_signal()
1083 			   !task_pid_nr_ns(current, task_active_pid_ns(t));  in send_signal()
1388 				pid ? find_vpid(-pid) : task_pgrp(current));  in kill_something_info()
1395 					!same_thread_group(p, current)) {  in kill_something_info()
1488 	struct sigqueue *q = __sigqueue_alloc(-1, current, GFP_KERNEL, 0);  in sigqueue_alloc()
1499 	spinlock_t *lock = &current->sighand->siglock;  in sigqueue_free()
1734 	if (!likely(current->ptrace))  in may_ptrace_stop()
1749 	if (unlikely(current->mm->core_state) &&  in may_ptrace_stop()
1750 	    unlikely(current->mm == current->parent->mm))  in may_ptrace_stop()
1778 	__releases(&current->sighand->siglock)  in ptrace_stop()
1779 	__acquires(&current->sighand->siglock)  in ptrace_stop()
1795 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
1797 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
1798 		if (sigkill_pending(current))  in ptrace_stop()
1811 	current->last_siginfo = info;  in ptrace_stop()
1812 	current->exit_code = exit_code;  in ptrace_stop()
1821 	if (why == CLD_STOPPED && (current->jobctl & JOBCTL_STOP_PENDING))  in ptrace_stop()
1822 		gstop_done = task_participate_group_stop(current);  in ptrace_stop()
1825 	task_clear_jobctl_pending(current, JOBCTL_TRAP_STOP);  in ptrace_stop()
1827 		task_clear_jobctl_pending(current, JOBCTL_TRAP_NOTIFY);  in ptrace_stop()
1830 	task_clear_jobctl_trapping(current);  in ptrace_stop()
1832 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
1845 		do_notify_parent_cldstop(current, true, why);  in ptrace_stop()
1846 		if (gstop_done && ptrace_reparented(current))  in ptrace_stop()
1847 			do_notify_parent_cldstop(current, false, why);  in ptrace_stop()
1871 			do_notify_parent_cldstop(current, false, why);  in ptrace_stop()
1876 			current->exit_code = 0;  in ptrace_stop()
1885 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
1886 	current->last_siginfo = NULL;  in ptrace_stop()
1889 	current->jobctl &= ~JOBCTL_LISTENING;  in ptrace_stop()
1896 	recalc_sigpending_tsk(current);  in ptrace_stop()
1906 	info.si_pid = task_pid_vnr(current);  in ptrace_do_notify()
1916 	if (unlikely(current->task_works))  in ptrace_notify()
1919 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
1921 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
1947 	__releases(&current->sighand->siglock)  in do_signal_stop()
1949 	struct signal_struct *sig = current->signal;  in do_signal_stop()
1951 	if (!(current->jobctl & JOBCTL_STOP_PENDING)) {  in do_signal_stop()
1958 		if (!likely(current->jobctl & JOBCTL_STOP_DEQUEUED) ||  in do_signal_stop()
1985 		if (task_set_jobctl_pending(current, signr | gstop))  in do_signal_stop()
1988 		t = current;  in do_signal_stop()
1989 		while_each_thread(current, t) {  in do_signal_stop()
2006 	if (likely(!current->ptrace)) {  in do_signal_stop()
2014 		if (task_participate_group_stop(current))  in do_signal_stop()
2018 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2031 			do_notify_parent_cldstop(current, false, notify);  in do_signal_stop()
2043 		task_set_jobctl_pending(current, JOBCTL_TRAP_STOP);  in do_signal_stop()
2065 	struct signal_struct *signal = current->signal;  in do_jobctl_trap()
2066 	int signr = current->jobctl & JOBCTL_STOP_SIGMASK;  in do_jobctl_trap()
2068 	if (current->ptrace & PT_SEIZED) {  in do_jobctl_trap()
2078 		current->exit_code = 0;  in do_jobctl_trap()
2094 	current->jobctl |= JOBCTL_STOP_DEQUEUED;  in ptrace_signal()
2098 	signr = current->exit_code;  in ptrace_signal()
2102 	current->exit_code = 0;  in ptrace_signal()
2115 		info->si_pid = task_pid_vnr(current->parent);  in ptrace_signal()
2117 						task_uid(current->parent));  in ptrace_signal()
2122 	if (sigismember(&current->blocked, signr)) {  in ptrace_signal()
2123 		specific_send_sig_info(signr, info, current);  in ptrace_signal()
2132 	struct sighand_struct *sighand = current->sighand;  in get_signal()
2133 	struct signal_struct *signal = current->signal;  in get_signal()
2136 	if (unlikely(current->task_works))  in get_signal()
2177 		do_notify_parent_cldstop(current, false, why);  in get_signal()
2179 		if (ptrace_reparented(current->group_leader))  in get_signal()
2180 			do_notify_parent_cldstop(current->group_leader,  in get_signal()
2190 		if (unlikely(current->jobctl & JOBCTL_STOP_PENDING) &&  in get_signal()
2194 		if (unlikely(current->jobctl & JOBCTL_TRAP_MASK)) {  in get_signal()
2200 		signr = dequeue_signal(current, &current->blocked, &ksig->info);  in get_signal()
2205 		if (unlikely(current->ptrace) && signr != SIGKILL) {  in get_signal()
2287 		current->flags |= PF_SIGNALED;  in get_signal()
2292 			proc_coredump_connector(current);  in get_signal()
2336 	sigorsets(&blocked, &current->blocked, &ksig->ka.sa.sa_mask);  in signal_delivered()
2346 		force_sigsegv(ksig->sig, current);  in signal_setup_done()
2450 	struct restart_block *restart = &current->restart_block;  in SYSCALL_DEFINE0()
2464 		sigandnsets(&newblocked, newset, &current->blocked);  in __set_task_blocked()
2486 	struct task_struct *tsk = current;  in __set_current_blocked()
2503 	struct task_struct *tsk = current;  in sigprocmask()
2545 	old_set = current->blocked;  in SYSCALL_DEFINE4()
2570 	sigset_t old_set = current->blocked;  in COMPAT_SYSCALL_DEFINE4()
2609 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
2610 	sigorsets(set, &current->pending.signal,  in do_sigpending()
2611 		  &current->signal->shared_pending.signal);  in do_sigpending()
2612 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
2615 	sigandsets(set, &current->blocked, set);  in do_sigpending()
2752 	struct task_struct *tsk = current;  in do_sigtimedwait()
2854 	info.si_pid = task_tgid_vnr(current);  in SYSCALL_DEFINE2()
2897 	info.si_pid = task_tgid_vnr(current);  in do_tkill()
2944 	    (task_pid_vnr(current) != pid))  in do_rt_sigqueueinfo()
2992 	    (task_pid_vnr(current) != pid))  in do_rt_tgsigqueueinfo()
3031 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
3032 	current->sighand->action[sig - 1].sa.sa_handler = action;  in kernel_sigaction()
3039 		flush_sigqueue_mask(&mask, &current->signal->shared_pending);  in kernel_sigaction()
3040 		flush_sigqueue_mask(&mask, &current->pending);  in kernel_sigaction()
3043 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
3049 	struct task_struct *p = current, *t;  in do_sigaction()
3096 	oss.ss_sp = (void __user *) current->sas_ss_sp;  in do_sigaltstack()
3097 	oss.ss_size = current->sas_ss_size;  in do_sigaltstack()
3138 		current->sas_ss_sp = (unsigned long) ss_sp;  in do_sigaltstack()
3139 		current->sas_ss_size = ss_size;  in do_sigaltstack()
3169 	struct task_struct *t = current;  in __save_altstack()
3219 	struct task_struct *t = current;  in __compat_save_altstack()
3256 	old_set = current->blocked.sig[0];  in SYSCALL_DEFINE3()
3262 		new_blocked = current->blocked;  in SYSCALL_DEFINE3()
3459 	return current->blocked.sig[0];  in SYSCALL_DEFINE0()
3464 	int old = current->blocked.sig[0];  in SYSCALL_DEFINE1()
3497 	while (!signal_pending(current)) {  in SYSCALL_DEFINE0()
3508 	current->saved_sigmask = current->blocked;  in sigsuspend()