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fix bug in bitmap is_claimed_across; issue #368

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Daan Leijen 2021-02-22 12:37:08 -08:00
parent 331491e1e8
commit 7962420697
1 changed files with 4 additions and 4 deletions
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8
src/bitmap.c
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@ -372,13 +372,13 @@ static bool mi_bitmap_is_claimedx_across(mi_bitmap_t bitmap, size_t bitmap_field
if ((prev & pre_mask) != 0) any_ones = true; if ((prev & pre_mask) != 0) any_ones = true;
while (mid_count-- > 0) { while (mid_count-- > 0) {
prev = mi_atomic_load_relaxed(field++); prev = mi_atomic_load_relaxed(field++);
if ((prev & pre_mask) != pre_mask) all_ones = false; if ((prev & mid_mask) != mid_mask) all_ones = false;
if ((prev & pre_mask) != 0) any_ones = true; if ((prev & mid_mask) != 0) any_ones = true;
} }
if (post_mask!=0) { if (post_mask!=0) {
prev = mi_atomic_load_relaxed(field); prev = mi_atomic_load_relaxed(field);
if ((prev & pre_mask) != pre_mask) all_ones = false; if ((prev & post_mask) != post_mask) all_ones = false;
if ((prev & pre_mask) != 0) any_ones = true; if ((prev & post_mask) != 0) any_ones = true;
} }
if (pany_ones != NULL) *pany_ones = any_ones; if (pany_ones != NULL) *pany_ones = any_ones;
return all_ones; return all_ones;