dev/dtrace/dtrace.c

290  * There are two other locks in the mix:  mod_lock and cpu_lock.  With respect
291  * to dtrace_provider_lock and dtrace_lock, cpu_lock continues its historical
293  * With respect to dtrace_meta_lock, its behavior is stranger:  cpu_lock must
315  * ASSERT(MUTEX_HELD(&cpu_lock));
317  * lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
8092 		 * will acquire cpu_lock and dtrace_lock.  We therefore need
8842 	 * cpu_lock and dtrace_lock; the fact that we are holding
10416 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
11377 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
12115 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
12169 	lck_mtx_lock(&cpu_lock);
12195 	lck_mtx_unlock(&cpu_lock);
13547 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
13635 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
13888 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
14011 	lck_mtx_lock(&cpu_lock);
14275 	lck_mtx_unlock(&cpu_lock);
14399 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
14537 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
16426 	 * Enabling probes requires that cpu_lock be held, and we cannot hold
16427 	 * cpu_lock here -- it is legal for cpu_lock to be held when loading a
16453 	 * outlined above.  The common case, of course, is that cpu_lock is
16463 	 * The cpu_lock mentioned above is only held by dtrace code, Apple's xnu never actually
16750 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
16861 	lck_mtx_lock(&cpu_lock);
16868 		lck_mtx_unlock(&cpu_lock);
16882 		lck_mtx_unlock(&cpu_lock);
16906 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
16920 	lck_mtx_assert(&cpu_lock, LCK_MTX_ASSERT_OWNED);
16976 	lck_mtx_unlock(&cpu_lock);
17012 		 * We couldn't hold cpu_lock across the above call to
17015 		 * up cpu_lock, and regain our locks before matching the
17021 		lck_mtx_lock(&cpu_lock);
17028 		lck_mtx_unlock(&cpu_lock);
17094 	lck_mtx_lock(&cpu_lock);
17105 		lck_mtx_unlock(&cpu_lock);
17112 	lck_mtx_unlock(&cpu_lock);
17124 	lck_mtx_unlock(&cpu_lock);
17202 	lck_mtx_lock(&cpu_lock);
17224 	lck_mtx_unlock(&cpu_lock);
17568 		lck_mtx_lock(&cpu_lock);
17574 			lck_mtx_unlock(&cpu_lock);
17581 			lck_mtx_unlock(&cpu_lock);
17589 			lck_mtx_unlock(&cpu_lock);
17600 		lck_mtx_unlock(&cpu_lock);
18474 		lck_mtx_lock(&cpu_lock);
18480 			lck_mtx_unlock(&cpu_lock);
18487 			lck_mtx_unlock(&cpu_lock);
18495 			lck_mtx_unlock(&cpu_lock);
18506 		lck_mtx_unlock(&cpu_lock);
19254 	lck_mtx_lock(&cpu_lock);
19263 		lck_mtx_unlock(&cpu_lock);
19270 		lck_mtx_unlock(&cpu_lock);
19306 	lck_mtx_unlock(&cpu_lock);
19700 		lck_mtx_init(&cpu_lock, dtrace_lck_grp, dtrace_lck_attr);
19717 		lck_mtx_lock(&cpu_lock);
19721 		lck_mtx_unlock(&cpu_lock);