osfmk/i386/locks_i386.c

254 	if (lck->interlock == LCK_SPIN_TAG_DESTROYED)
256 	lck->interlock = LCK_SPIN_TAG_DESTROYED;
303 	return (lck->interlock != 0)? TRUE : FALSE;
318 	hw_lock_init(&l->interlock);
365 	if(__improbable(hw_lock_to(&l->interlock, LockTimeOutTSC) == 0))	{
369 			if ((uslock_acquired = hw_lock_to(&l->interlock, LockTimeOutTSC)))
375 			uintptr_t lowner = (uintptr_t)l->interlock.lock_data;
378 			panic("Spinlock acquisition timed out: lock=%p, lock owner thread=0x%lx, current_thread: %p, lock owner active on CPU 0x%x, current owner: 0x%lx", l, lowner,  current_thread(), lock_cpu, (uintptr_t)l->interlock.lock_data);
404 	hw_lock_unlock(&l->interlock);
433 	if ((success = hw_lock_try(&l->interlock))) {
792  * We disable interrupts while holding the RW interlock to prevent an
945 	 * a check of the interlock not being held since
948 	 * adjustments are done behind the interlock and represent an
951 	 * and the interlock not held, we are safe to proceed
1017 				 * readers or upgrade owner behind the interlock
1029 	 * At least we get out from under the interlock before we record
1044 			 * the interlock so the count is accurate.
1743  * neither the mutex or interlock is held
1820  * mutex is owned...  interlock is held... preemption is disabled
1877  * Called with the interlock unlocked.
1960  * Called with the interlock locked and