1804 		refcount_inc(&current->sighand->count);  in copy_sighand()
1808 	RCU_INIT_POINTER(tsk->sighand, sig);  in copy_sighand()
1813 	spin_lock_irq(&current->sighand->siglock);  in copy_sighand()
1814 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1815 	spin_unlock_irq(&current->sighand->siglock);  in copy_sighand()
1824 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1826 	if (refcount_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1827 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1832 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1909 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
2317 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2321 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2646 	spin_lock(&current->sighand->siglock);  in copy_process()
2717 	spin_unlock(&current->sighand->siglock);  in copy_process()
2739 	spin_unlock(&current->sighand->siglock);  in copy_process()
2766 	__cleanup_sighand(p->sighand);  in copy_process()
2795 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2797 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
3252 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
3254 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
3255 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
3326 		if (refcount_read(&current->sighand->count) > 1)  in check_unshare_flags()