diff options
| author |  Abseil Team <absl-team@google.com> | 2020-09-11 07:15:05 -0700 |
|---|---|---|
| committer |  Derek Mauro <dmauro@google.com> | 2020-09-11 20:29:14 -0400 |
| commit | 6af91b35109cb35ae53cfe908e31a0c31c4a47f3 (patch) | |
| tree | a35e585f2378b1c9214516efc73bbf9dcebe56ce /absl/container/internal/hashtablez_sampler.h | |
| parent | f2c9c663db28a8a898c1fc8c8e06ab9b93eb5610 (diff) | |
Export of internal Abseil changes
--
0e6d5abe305df4e943e0bc0256c67afc00956691 by Abseil Team <absl-team@google.com>:
Ensure that Hashtablez does not pull in absl::Mutex dependency when turned off at compile time.
PiperOrigin-RevId: 331142625
GitOrigin-RevId: 0e6d5abe305df4e943e0bc0256c67afc00956691
Change-Id: I984d6d3436e4825a7b20758c45b3142c0f3bb45a
Diffstat (limited to 'absl/container/internal/hashtablez_sampler.h')
| -rw-r--r-- | absl/container/internal/hashtablez_sampler.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/absl/container/internal/hashtablez_sampler.h b/absl/container/internal/hashtablez_sampler.h index b2a30c9a..394348da 100644 --- a/absl/container/internal/hashtablez_sampler.h +++ b/absl/container/internal/hashtablez_sampler.h @@ -139,6 +139,11 @@ inline void RecordEraseSlow(HashtablezInfo* info) { HashtablezInfo* SampleSlow(int64_t* next_sample); void UnsampleSlow(HashtablezInfo* info); +#if defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE) +#error ABSL_INTERNAL_HASHTABLEZ_SAMPLE cannot be directly set +#endif // defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE) + +#if defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE) class HashtablezInfoHandle { public: explicit HashtablezInfoHandle() : info_(nullptr) {} @@ -190,9 +195,22 @@ class HashtablezInfoHandle { friend class HashtablezInfoHandlePeer; HashtablezInfo* info_; }; +#else +// Ensure that when Hashtablez is turned off at compile time, HashtablezInfo can +// be removed by the linker, in order to reduce the binary size. +class HashtablezInfoHandle { + public: + explicit HashtablezInfoHandle() = default; + explicit HashtablezInfoHandle(std::nullptr_t) {} -#if defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE) -#error ABSL_INTERNAL_HASHTABLEZ_SAMPLE cannot be directly set + inline void RecordStorageChanged(size_t /*size*/, size_t /*capacity*/) {} + inline void RecordRehash(size_t /*total_probe_length*/) {} + inline void RecordInsert(size_t /*hash*/, size_t /*distance_from_desired*/) {} + inline void RecordErase() {} + + friend inline void swap(HashtablezInfoHandle& /*lhs*/, + HashtablezInfoHandle& /*rhs*/) {} +}; #endif // defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE) #if defined(ABSL_INTERNAL_HASHTABLEZ_SAMPLE) |