diff options
Diffstat (limited to 'absl/container/internal/raw_hash_set.cc')
-rw-r--r-- | absl/container/internal/raw_hash_set.cc | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/absl/container/internal/raw_hash_set.cc b/absl/container/internal/raw_hash_set.cc index df64e7e8..6e5941d3 100644 --- a/absl/container/internal/raw_hash_set.cc +++ b/absl/container/internal/raw_hash_set.cc @@ -67,6 +67,16 @@ inline size_t RandomSeed() { return value ^ static_cast<size_t>(reinterpret_cast<uintptr_t>(&counter)); } +bool ShouldRehashForBugDetection(const ctrl_t* ctrl, size_t capacity) { + // Note: we can't use the abseil-random library because abseil-random + // depends on swisstable. We want to return true with probability + // `min(1, RehashProbabilityConstant() / capacity())`. In order to do this, + // we probe based on a random hash and see if the offset is less than + // RehashProbabilityConstant(). + return probe(ctrl, capacity, absl::HashOf(RandomSeed())).offset() < + RehashProbabilityConstant(); +} + } // namespace GenerationType* EmptyGeneration() { @@ -84,13 +94,12 @@ bool CommonFieldsGenerationInfoEnabled:: size_t capacity) const { if (reserved_growth_ == kReservedGrowthJustRanOut) return true; if (reserved_growth_ > 0) return false; - // Note: we can't use the abseil-random library because abseil-random - // depends on swisstable. We want to return true with probability - // `min(1, RehashProbabilityConstant() / capacity())`. In order to do this, - // we probe based on a random hash and see if the offset is less than - // RehashProbabilityConstant(). - return probe(ctrl, capacity, absl::HashOf(RandomSeed())).offset() < - RehashProbabilityConstant(); + return ShouldRehashForBugDetection(ctrl, capacity); +} + +bool CommonFieldsGenerationInfoEnabled::should_rehash_for_bug_detection_on_move( + const ctrl_t* ctrl, size_t capacity) const { + return ShouldRehashForBugDetection(ctrl, capacity); } bool ShouldInsertBackwards(size_t hash, const ctrl_t* ctrl) { |