Function prison_hold_locked

freebsd/kern/kern_jail.c:2651–2657

* Hold a prison reference, by incrementing pr_ref. It is generally * an error to hold a prison that does not already have a reference. * A prison record will remain valid as long as it has at least one * reference, and will not be removed as long as either the prison * mutex or the allprison lock is held (allprison_lock may be shared). */

 * mutex or the allprison lock is held (allprison_lock may be shared).
 */
void
prison_hold_locked(struct prison *pr)
{

	/* Locking is no longer required. */
	prison_hold(pr);
}

void
prison_hold(struct prison *pr)