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Use atomics in critnib find_* #1175

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Merged
merged 1 commit into from
Mar 10, 2025
Merged

Use atomics in critnib find_* #1175

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6 changes: 4 additions & 2 deletions src/critnib/critnib.c
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Original file line number Diff line number Diff line change
Expand Up @@ -525,7 +525,9 @@ find_predecessor(struct critnib_node *__restrict n) {
while (1) {
int nib;
for (nib = NIB; nib >= 0; nib--) {
if (n->child[nib]) {
struct critnib_node *m;
utils_atomic_load_acquire_ptr((void **)&n->child[nib], (void **)&m);
if (m) {
break;
}
}
Expand All @@ -534,7 +536,7 @@ find_predecessor(struct critnib_node *__restrict n) {
return NULL;
}

n = n->child[nib];
utils_atomic_load_acquire_ptr((void **)&n->child[nib], (void **)&n);
if (is_leaf(n)) {
return to_leaf(n);
}
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