1637 		refcount_inc(&current->sighand->count);  in copy_sighand()
1641 	RCU_INIT_POINTER(tsk->sighand, sig);  in copy_sighand()
1646 	spin_lock_irq(&current->sighand->siglock);  in copy_sighand()
1647 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1648 	spin_unlock_irq(&current->sighand->siglock);  in copy_sighand()
1657 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1659 	if (refcount_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1660 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1665 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1742 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
2074 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2078 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2407 	spin_lock(&current->sighand->siglock);  in copy_process()
2476 	spin_unlock(&current->sighand->siglock);  in copy_process()
2497 	spin_unlock(&current->sighand->siglock);  in copy_process()
2524 	__cleanup_sighand(p->sighand);  in copy_process()
2553 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2555 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
3012 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
3014 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
3015 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
3079 		if (refcount_read(&current->sighand->count) > 1)  in check_unshare_flags()