160 	if (!recalc_sigpending_tsk(current) && !freezing(current))  in recalc_sigpending()
228 				current->comm, current->pid, sig);  in print_dropped_signal()
460 	struct task_struct *tsk = current;  in flush_itimer_signals()
525 	spin_lock_irqsave(&current->sighand->siglock, flags);  in block_all_signals()
526 	current->notifier_mask = mask;  in block_all_signals()
527 	current->notifier_data = priv;  in block_all_signals()
528 	current->notifier = notifier;  in block_all_signals()
529 	spin_unlock_irqrestore(&current->sighand->siglock, flags);  in block_all_signals()
539 	spin_lock_irqsave(&current->sighand->siglock, flags);  in unblock_all_signals()
540 	current->notifier = NULL;  in unblock_all_signals()
541 	current->notifier_data = NULL;  in unblock_all_signals()
543 	spin_unlock_irqrestore(&current->sighand->siglock, flags);  in unblock_all_signals()
589 		if (current->notifier) {  in __dequeue_signal()
590 			if (sigismember(current->notifier_mask, sig)) {  in __dequeue_signal()
591 				if (!(current->notifier)(current->notifier_data)) {  in __dequeue_signal()
663 		current->jobctl |= JOBCTL_STOP_DEQUEUED;  in dequeue_signal()
780 	if (!same_thread_group(current, t) &&  in check_kill_permission()
789 			if (!sid || sid == task_session(current))  in check_kill_permission()
1079 			q->info.si_pid = task_tgid_nr_ns(current,  in __send_signal()
1134 			   !task_pid_nr_ns(current, task_active_pid_ns(t));  in send_signal()
1439 				pid ? find_vpid(-pid) : task_pgrp(current));  in kill_something_info()
1446 					!same_thread_group(p, current)) {  in kill_something_info()
1539 	struct sigqueue *q = __sigqueue_alloc(-1, current, GFP_KERNEL, 0);  in sigqueue_alloc()
1550 	spinlock_t *lock = &current->sighand->siglock;  in sigqueue_free()
1785 	if (!likely(current->ptrace))  in may_ptrace_stop()
1800 	if (unlikely(current->mm->core_state) &&  in may_ptrace_stop()
1801 	    unlikely(current->mm == current->parent->mm))  in may_ptrace_stop()
1829 	__releases(&current->sighand->siglock)  in ptrace_stop()
1830 	__acquires(&current->sighand->siglock)  in ptrace_stop()
1846 		spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
1848 		spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
1849 		if (sigkill_pending(current))  in ptrace_stop()
1862 	current->last_siginfo = info;  in ptrace_stop()
1863 	current->exit_code = exit_code;  in ptrace_stop()
1872 	if (why == CLD_STOPPED && (current->jobctl & JOBCTL_STOP_PENDING))  in ptrace_stop()
1873 		gstop_done = task_participate_group_stop(current);  in ptrace_stop()
1876 	task_clear_jobctl_pending(current, JOBCTL_TRAP_STOP);  in ptrace_stop()
1878 		task_clear_jobctl_pending(current, JOBCTL_TRAP_NOTIFY);  in ptrace_stop()
1881 	task_clear_jobctl_trapping(current);  in ptrace_stop()
1883 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_stop()
1896 		do_notify_parent_cldstop(current, true, why);  in ptrace_stop()
1897 		if (gstop_done && ptrace_reparented(current))  in ptrace_stop()
1898 			do_notify_parent_cldstop(current, false, why);  in ptrace_stop()
1922 			do_notify_parent_cldstop(current, false, why);  in ptrace_stop()
1927 			current->exit_code = 0;  in ptrace_stop()
1936 	spin_lock_irq(&current->sighand->siglock);  in ptrace_stop()
1937 	current->last_siginfo = NULL;  in ptrace_stop()
1940 	current->jobctl &= ~JOBCTL_LISTENING;  in ptrace_stop()
1947 	recalc_sigpending_tsk(current);  in ptrace_stop()
1957 	info.si_pid = task_pid_vnr(current);  in ptrace_do_notify()
1967 	if (unlikely(current->task_works))  in ptrace_notify()
1970 	spin_lock_irq(&current->sighand->siglock);  in ptrace_notify()
1972 	spin_unlock_irq(&current->sighand->siglock);  in ptrace_notify()
1998 	__releases(&current->sighand->siglock)  in do_signal_stop()
2000 	struct signal_struct *sig = current->signal;  in do_signal_stop()
2002 	if (!(current->jobctl & JOBCTL_STOP_PENDING)) {  in do_signal_stop()
2009 		if (!likely(current->jobctl & JOBCTL_STOP_DEQUEUED) ||  in do_signal_stop()
2036 		if (task_set_jobctl_pending(current, signr | gstop))  in do_signal_stop()
2039 		t = current;  in do_signal_stop()
2040 		while_each_thread(current, t) {  in do_signal_stop()
2057 	if (likely(!current->ptrace)) {  in do_signal_stop()
2065 		if (task_participate_group_stop(current))  in do_signal_stop()
2069 		spin_unlock_irq(&current->sighand->siglock);  in do_signal_stop()
2082 			do_notify_parent_cldstop(current, false, notify);  in do_signal_stop()
2094 		task_set_jobctl_pending(current, JOBCTL_TRAP_STOP);  in do_signal_stop()
2116 	struct signal_struct *signal = current->signal;  in do_jobctl_trap()
2117 	int signr = current->jobctl & JOBCTL_STOP_SIGMASK;  in do_jobctl_trap()
2119 	if (current->ptrace & PT_SEIZED) {  in do_jobctl_trap()
2129 		current->exit_code = 0;  in do_jobctl_trap()
2145 	current->jobctl |= JOBCTL_STOP_DEQUEUED;  in ptrace_signal()
2149 	signr = current->exit_code;  in ptrace_signal()
2153 	current->exit_code = 0;  in ptrace_signal()
2166 		info->si_pid = task_pid_vnr(current->parent);  in ptrace_signal()
2168 						task_uid(current->parent));  in ptrace_signal()
2173 	if (sigismember(&current->blocked, signr)) {  in ptrace_signal()
2174 		specific_send_sig_info(signr, info, current);  in ptrace_signal()
2183 	struct sighand_struct *sighand = current->sighand;  in get_signal()
2184 	struct signal_struct *signal = current->signal;  in get_signal()
2187 	if (unlikely(current->task_works))  in get_signal()
2228 		do_notify_parent_cldstop(current, false, why);  in get_signal()
2230 		if (ptrace_reparented(current->group_leader))  in get_signal()
2231 			do_notify_parent_cldstop(current->group_leader,  in get_signal()
2241 		if (unlikely(current->jobctl & JOBCTL_STOP_PENDING) &&  in get_signal()
2245 		if (unlikely(current->jobctl & JOBCTL_TRAP_MASK)) {  in get_signal()
2251 		signr = dequeue_signal(current, &current->blocked, &ksig->info);  in get_signal()
2256 		if (unlikely(current->ptrace) && signr != SIGKILL) {  in get_signal()
2338 		current->flags |= PF_SIGNALED;  in get_signal()
2343 			proc_coredump_connector(current);  in get_signal()
2387 	sigorsets(&blocked, &current->blocked, &ksig->ka.sa.sa_mask);  in signal_delivered()
2397 		force_sigsegv(ksig->sig, current);  in signal_setup_done()
2504 	struct restart_block *restart = &current->restart_block;  in SYSCALL_DEFINE0()
2518 		sigandnsets(&newblocked, newset, &current->blocked);  in __set_task_blocked()
2540 	struct task_struct *tsk = current;  in __set_current_blocked()
2557 	struct task_struct *tsk = current;  in sigprocmask()
2599 	old_set = current->blocked;  in SYSCALL_DEFINE4()
2624 	sigset_t old_set = current->blocked;  in COMPAT_SYSCALL_DEFINE4()
2663 	spin_lock_irq(&current->sighand->siglock);  in do_sigpending()
2664 	sigorsets(set, &current->pending.signal,  in do_sigpending()
2665 		  &current->signal->shared_pending.signal);  in do_sigpending()
2666 	spin_unlock_irq(&current->sighand->siglock);  in do_sigpending()
2669 	sigandsets(set, &current->blocked, set);  in do_sigpending()
2806 	struct task_struct *tsk = current;  in do_sigtimedwait()
2908 	info.si_pid = task_tgid_vnr(current);  in SYSCALL_DEFINE2()
2951 	info.si_pid = task_tgid_vnr(current);  in do_tkill()
2998 	    (task_pid_vnr(current) != pid))  in do_rt_sigqueueinfo()
3046 	    (task_pid_vnr(current) != pid))  in do_rt_tgsigqueueinfo()
3085 	spin_lock_irq(&current->sighand->siglock);  in kernel_sigaction()
3086 	current->sighand->action[sig - 1].sa.sa_handler = action;  in kernel_sigaction()
3093 		flush_sigqueue_mask(&mask, &current->signal->shared_pending);  in kernel_sigaction()
3094 		flush_sigqueue_mask(&mask, &current->pending);  in kernel_sigaction()
3097 	spin_unlock_irq(&current->sighand->siglock);  in kernel_sigaction()
3103 	struct task_struct *p = current, *t;  in do_sigaction()
3150 	oss.ss_sp = (void __user *) current->sas_ss_sp;  in do_sigaltstack()
3151 	oss.ss_size = current->sas_ss_size;  in do_sigaltstack()
3192 		current->sas_ss_sp = (unsigned long) ss_sp;  in do_sigaltstack()
3193 		current->sas_ss_size = ss_size;  in do_sigaltstack()
3223 	struct task_struct *t = current;  in __save_altstack()
3273 	struct task_struct *t = current;  in __compat_save_altstack()
3310 	old_set = current->blocked.sig[0];  in SYSCALL_DEFINE3()
3316 		new_blocked = current->blocked;  in SYSCALL_DEFINE3()
3513 	return current->blocked.sig[0];  in SYSCALL_DEFINE0()
3518 	int old = current->blocked.sig[0];  in SYSCALL_DEFINE1()
3551 	while (!signal_pending(current)) {  in SYSCALL_DEFINE0()
3562 	current->saved_sigmask = current->blocked;  in sigsuspend()