1063 		atomic_inc(&current->sighand->count);  in copy_sighand()
1067 	rcu_assign_pointer(tsk->sighand, sig);  in copy_sighand()
1071 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1075 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1077 	if (atomic_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1078 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1083 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1171 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
1533 	spin_lock(&current->sighand->siglock);  in copy_process()
1551 		spin_unlock(&current->sighand->siglock);  in copy_process()
1591 	spin_unlock(&current->sighand->siglock);  in copy_process()
1621 	__cleanup_sighand(p->sighand);  in copy_process()
1810 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
1812 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
1813 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
1867 		if (atomic_read(&current->sighand->count) > 1)  in check_unshare_flags()