1072 		atomic_inc(&current->sighand->count);  in copy_sighand()
1076 	rcu_assign_pointer(tsk->sighand, sig);  in copy_sighand()
1081 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1085 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1087 	if (atomic_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1088 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1093 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1175 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
1549 	spin_lock(&current->sighand->siglock);  in copy_process()
1567 		spin_unlock(&current->sighand->siglock);  in copy_process()
1607 	spin_unlock(&current->sighand->siglock);  in copy_process()
1638 	__cleanup_sighand(p->sighand);  in copy_process()
1841 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
1843 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
1844 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
1898 		if (atomic_read(&current->sighand->count) > 1)  in check_unshare_flags()