1515 		refcount_inc(&current->sighand->count);  in copy_sighand()
1519 	rcu_assign_pointer(tsk->sighand, sig);  in copy_sighand()
1524 	spin_lock_irq(&current->sighand->siglock);  in copy_sighand()
1525 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1526 	spin_unlock_irq(&current->sighand->siglock);  in copy_sighand()
1530 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1532 	if (refcount_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1533 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1538 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1613 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
1848 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
1852 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2155 	spin_lock(&current->sighand->siglock);  in copy_process()
2225 	spin_unlock(&current->sighand->siglock);  in copy_process()
2240 	spin_unlock(&current->sighand->siglock);  in copy_process()
2269 	__cleanup_sighand(p->sighand);  in copy_process()
2297 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2299 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2699 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
2701 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
2702 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
2765 		if (refcount_read(&current->sighand->count) > 1)  in check_unshare_flags()