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Use eight level of critnibs in the tracker #1143

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Merged
merged 7 commits into from
Mar 11, 2025
Merged

Use eight level of critnibs in the tracker #1143

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8cc1d42
Use atomics in find_successor() like in find_predecessor()
ldorau Mar 10, 2025
965fc67
Add utils_atomic_store_release_u64() to utils
ldorau Mar 4, 2025
d437d6c
Use eight level of critnibs in the tracker
ldorau Mar 6, 2025
775ac12
Add tests for pool from pointer to Fixed provider tests
ldorau Feb 25, 2025
cd61c1e
Add tests for pool from pointer to poolFixtures.hpp
ldorau Feb 25, 2025
bb4a5e4
Add tests for tracking provider
ldorau Feb 28, 2025
c1b9f1b
Add provider_tracking_fixture_tests
ldorau Mar 3, 2025
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3 changes: 2 additions & 1 deletion include/umf/base.h
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,8 @@ typedef enum umf_result_t {
6, ///< Failure in user provider code (i.e in user provided callback)
UMF_RESULT_ERROR_DEPENDENCY_UNAVAILABLE =
7, ///< External required dependency is unavailable or missing
UMF_RESULT_ERROR_UNKNOWN = 0x7ffffffe ///< Unknown or internal error
UMF_RESULT_ERROR_OUT_OF_RESOURCES = 8, ///< Out of internal resources
UMF_RESULT_ERROR_UNKNOWN = 0x7ffffffe ///< Unknown error
} umf_result_t;

#ifdef __cplusplus
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6 changes: 4 additions & 2 deletions src/critnib/critnib.c
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Expand Up @@ -645,7 +645,9 @@ static struct critnib_leaf *find_successor(struct critnib_node *__restrict n) {
while (1) {
unsigned nib;
for (nib = 0; nib <= NIB; 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 @@ -654,7 +656,7 @@ static struct critnib_leaf *find_successor(struct critnib_node *__restrict n) {
return NULL;
}

n = n->child[nib];
utils_atomic_load_acquire_ptr((void **)&n->child[nib], (void **)&n);

if (!n) {
return NULL;
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