1504 		refcount_inc(&current->sighand->count);  in copy_sighand()
1508 	RCU_INIT_POINTER(tsk->sighand, sig);  in copy_sighand()
1513 	spin_lock_irq(&current->sighand->siglock);  in copy_sighand()
1514 	memcpy(sig->action, current->sighand->action, sizeof(sig->action));  in copy_sighand()
1515 	spin_unlock_irq(&current->sighand->siglock);  in copy_sighand()
1524 void __cleanup_sighand(struct sighand_struct *sighand)  in __cleanup_sighand()  argument
1526 	if (refcount_dec_and_test(&sighand->count)) {  in __cleanup_sighand()
1527 		signalfd_cleanup(sighand);  in __cleanup_sighand()
1532 		kmem_cache_free(sighand_cachep, sighand);  in __cleanup_sighand()
1608 	assert_spin_locked(&current->sighand->siglock);  in copy_seccomp()
1928 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
1932 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2228 	spin_lock(&current->sighand->siglock);  in copy_process()
2298 	spin_unlock(&current->sighand->siglock);  in copy_process()
2315 	spin_unlock(&current->sighand->siglock);  in copy_process()
2342 	__cleanup_sighand(p->sighand);  in copy_process()
2370 	spin_lock_irq(&current->sighand->siglock);  in copy_process()
2372 	spin_unlock_irq(&current->sighand->siglock);  in copy_process()
2773 	struct sighand_struct *sighand = data;  in sighand_ctor()  local
2775 	spin_lock_init(&sighand->siglock);  in sighand_ctor()
2776 	init_waitqueue_head(&sighand->signalfd_wqh);  in sighand_ctor()
2840 		if (refcount_read(&current->sighand->count) > 1)  in check_unshare_flags()