1593 		refcount_inc(&current->sighand->count);  in copy_sighand()
1597 	RCU_INIT_POINTER(tsk->sighand, sig);  in copy_sighand()
1602 	spin_lock_irq(&current->sighand->siglock);  in copy_sighand()
1603 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1604 	spin_unlock_irq(&current->sighand->siglock);  in copy_sighand()
1613 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1615 	if (refcount_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1616 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1621 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1697 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
2016 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2020 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2333 	spin_lock(&current->sighand->siglock);  in copy_process()
2403 	spin_unlock(&current->sighand->siglock);  in copy_process()
2421 	spin_unlock(&current->sighand->siglock);  in copy_process()
2448 	__cleanup_sighand(p->sighand);  in copy_process()
2476 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2478 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2901 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
2903 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
2904 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
2968 		if (refcount_read(&current->sighand->count) > 1)  in check_unshare_flags()