Function tcache_get_from_ind

BeefRT/JEMalloc/src/jemalloc.c:2330–2358

}

JEMALLOC_ALWAYS_INLINE tcache_t *
tcache_get_from_ind(tsd_t *tsd, unsigned tcache_ind, bool slow, bool is_alloc) {
	tcache_t *tcache;
	if (tcache_ind == TCACHE_IND_AUTOMATIC) {
		if (likely(!slow)) {
			/* Getting tcache ptr unconditionally. */
			tcache = tsd_tcachep_get(tsd);
			assert(tcache == tcache_get(tsd));
		} else if (is_alloc ||
		    likely(tsd_reentrancy_level_get(tsd) == 0)) {
			tcache = tcache_get(tsd);
		} else {
			tcache = NULL;
		}
	} else {
		/*
		 * Should not specify tcache on deallocation path when being
		 * reentrant.
		 */
		assert(is_alloc || tsd_reentrancy_level_get(tsd) == 0 ||
		    tsd_state_nocleanup(tsd));
		if (tcache_ind == TCACHE_IND_NONE) {
			tcache = NULL;
		} else {
			tcache = tcaches_get(tsd, tcache_ind);
		}
	}
	return tcache;
}

/* Return true if a manual arena is specified and arena_get() OOMs. */
JEMALLOC_ALWAYS_INLINE bool