atfork_lock
OFFSET(atfork_lock),
prt_addr((void *)(addr + OFFSET(atfork_lock)), 1),
(void) mutex_lock(&udp->atfork_lock);
(void) mutex_unlock(&udp->atfork_lock);
ASSERT(MUTEX_OWNED(&udp->atfork_lock, curthread));
ASSERT(MUTEX_OWNED(&udp->atfork_lock, curthread));
(void) mutex_lock(&udp->atfork_lock);
(void) mutex_unlock(&udp->atfork_lock);
ASSERT(MUTEX_OWNED(&udp->atfork_lock, curthread));
(void) mutex_lock(&udp->atfork_lock);
(void) mutex_unlock(&udp->atfork_lock);
(void) mutex_lock(&udp->atfork_lock);
(void) mutex_unlock(&udp->atfork_lock);