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(unw_set_caching_policy): If caching-policy didn't change, return
early. Always flush cache after changing the policy. This is to ensure that the per-thread cache gets initialized and no stale info remains. (Logical change 1.118)
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1 changed files with 6 additions and 4 deletions
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@ -35,10 +35,12 @@ unw_set_caching_policy (unw_addr_space_t as, unw_caching_policy_t policy)
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if (policy == UNW_CACHE_PER_THREAD)
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policy = UNW_CACHE_GLOBAL;
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#endif
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if (policy == as->caching_policy)
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return 0; /* no change */
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as->caching_policy = policy;
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if (policy == UNW_CACHE_NONE)
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unw_flush_cache (as, 0, 0);
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/* Ensure caches are empty (and initialized). */
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unw_flush_cache (as, 0, 0);
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return 0;
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}
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