1752 		refcount_inc(&current->sighand->count);  in copy_sighand()
1756 	RCU_INIT_POINTER(tsk->sighand, sig);  in copy_sighand()
1761 	spin_lock_irq(&current->sighand->siglock);  in copy_sighand()
1762 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1763 	spin_unlock_irq(&current->sighand->siglock);  in copy_sighand()
1772 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1774 	if (refcount_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1775 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1780 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1857 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
2189 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2193 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2524 	spin_lock(&current->sighand->siglock);  in copy_process()
2596 	spin_unlock(&current->sighand->siglock);  in copy_process()
2617 	spin_unlock(&current->sighand->siglock);  in copy_process()
2644 	__cleanup_sighand(p->sighand);  in copy_process()
2673 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2675 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
3129 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
3131 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
3132 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
3203 		if (refcount_read(&current->sighand->count) > 1)  in check_unshare_flags()