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-rw-r--r--absl/base/config.h2
-rw-r--r--absl/container/btree_test.cc2
-rw-r--r--absl/container/inlined_vector_benchmark.cc37
-rw-r--r--absl/meta/type_traits_test.cc22
-rw-r--r--absl/random/internal/BUILD.bazel5
-rw-r--r--absl/random/internal/randen_hwaes.cc128
-rw-r--r--absl/random/internal/uniform_helper.h3
-rw-r--r--absl/strings/string_view.h2
-rw-r--r--absl/time/internal/cctz/src/time_zone_impl.cc13
9 files changed, 98 insertions, 116 deletions
diff --git a/absl/base/config.h b/absl/base/config.h
index 1c3cb08e..90d98214 100644
--- a/absl/base/config.h
+++ b/absl/base/config.h
@@ -125,7 +125,7 @@
#error ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE cannot directly set
#elif (defined(__clang__) && defined(_LIBCPP_VERSION)) || \
(!defined(__clang__) && defined(__GNUC__) && \
- (__GNUC__ > 5 || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)) && \
+ (__GNUC__ > 7 || (__GNUC__ == 7 && __GNUC_MINOR__ >= 4)) && \
(defined(_LIBCPP_VERSION) || defined(__GLIBCXX__))) || \
(defined(_MSC_VER) && !defined(__NVCC__))
#define ABSL_HAVE_STD_IS_TRIVIALLY_CONSTRUCTIBLE 1
diff --git a/absl/container/btree_test.cc b/absl/container/btree_test.cc
index a330cca3..3ac97f89 100644
--- a/absl/container/btree_test.cc
+++ b/absl/container/btree_test.cc
@@ -323,6 +323,7 @@ class unique_checker : public base_checker<TreeType, CheckerType> {
unique_checker(const unique_checker &x) : super_type(x) {}
template <class InputIterator>
unique_checker(InputIterator b, InputIterator e) : super_type(b, e) {}
+ unique_checker& operator=(const unique_checker&) = default;
// Insertion routines.
std::pair<iterator, bool> insert(const value_type &x) {
@@ -370,6 +371,7 @@ class multi_checker : public base_checker<TreeType, CheckerType> {
multi_checker(const multi_checker &x) : super_type(x) {}
template <class InputIterator>
multi_checker(InputIterator b, InputIterator e) : super_type(b, e) {}
+ multi_checker& operator=(const multi_checker&) = default;
// Insertion routines.
iterator insert(const value_type &x) {
diff --git a/absl/container/inlined_vector_benchmark.cc b/absl/container/inlined_vector_benchmark.cc
index b99bbd62..3f2b4ed2 100644
--- a/absl/container/inlined_vector_benchmark.cc
+++ b/absl/container/inlined_vector_benchmark.cc
@@ -25,42 +25,45 @@
namespace {
void BM_InlinedVectorFill(benchmark::State& state) {
+ const int len = state.range(0);
absl::InlinedVector<int, 8> v;
- int val = 10;
+ v.reserve(len);
for (auto _ : state) {
+ v.resize(0); // Use resize(0) as InlinedVector releases storage on clear().
+ for (int i = 0; i < len; ++i) {
+ v.push_back(i);
+ }
benchmark::DoNotOptimize(v);
- v.push_back(val);
}
}
-BENCHMARK(BM_InlinedVectorFill)->Range(0, 1024);
+BENCHMARK(BM_InlinedVectorFill)->Range(1, 256);
void BM_InlinedVectorFillRange(benchmark::State& state) {
const int len = state.range(0);
- std::unique_ptr<int[]> ia(new int[len]);
- for (int i = 0; i < len; i++) {
- ia[i] = i;
- }
- auto* from = ia.get();
- auto* to = from + len;
+ const std::vector<int> src(len, len);
+ absl::InlinedVector<int, 8> v;
+ v.reserve(len);
for (auto _ : state) {
- benchmark::DoNotOptimize(from);
- benchmark::DoNotOptimize(to);
- absl::InlinedVector<int, 8> v(from, to);
+ benchmark::DoNotOptimize(src);
+ v.assign(src.begin(), src.end());
benchmark::DoNotOptimize(v);
}
}
-BENCHMARK(BM_InlinedVectorFillRange)->Range(0, 1024);
+BENCHMARK(BM_InlinedVectorFillRange)->Range(1, 256);
void BM_StdVectorFill(benchmark::State& state) {
+ const int len = state.range(0);
std::vector<int> v;
- int val = 10;
+ v.reserve(len);
for (auto _ : state) {
+ v.clear();
+ for (int i = 0; i < len; ++i) {
+ v.push_back(i);
+ }
benchmark::DoNotOptimize(v);
- benchmark::DoNotOptimize(val);
- v.push_back(val);
}
}
-BENCHMARK(BM_StdVectorFill)->Range(0, 1024);
+BENCHMARK(BM_StdVectorFill)->Range(1, 256);
// The purpose of the next two benchmarks is to verify that
// absl::InlinedVector is efficient when moving is more efficent than
diff --git a/absl/meta/type_traits_test.cc b/absl/meta/type_traits_test.cc
index a7a9c5c9..6fbb42f8 100644
--- a/absl/meta/type_traits_test.cc
+++ b/absl/meta/type_traits_test.cc
@@ -546,6 +546,28 @@ TEST(TypeTraitsTest, TestTrivialDefaultCtor) {
#endif
}
+// GCC prior to 7.4 had a bug in its trivially-constructible traits
+// (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80654).
+// This test makes sure that we do not depend on the trait in these cases when
+// implementing absl triviality traits.
+
+template <class T>
+struct BadConstructors {
+ BadConstructors() { static_assert(T::value, ""); }
+
+ BadConstructors(BadConstructors&&) { static_assert(T::value, ""); }
+
+ BadConstructors(const BadConstructors&) { static_assert(T::value, ""); }
+};
+
+TEST(TypeTraitsTest, TestTrivialityBadConstructors) {
+ using BadType = BadConstructors<int>;
+
+ EXPECT_FALSE(absl::is_trivially_default_constructible<BadType>::value);
+ EXPECT_FALSE(absl::is_trivially_move_constructible<BadType>::value);
+ EXPECT_FALSE(absl::is_trivially_copy_constructible<BadType>::value);
+}
+
TEST(TypeTraitsTest, TestTrivialMoveCtor) {
// Verify that arithmetic types and pointers have trivial move
// constructors.
diff --git a/absl/random/internal/BUILD.bazel b/absl/random/internal/BUILD.bazel
index 7416e936..d9581d00 100644
--- a/absl/random/internal/BUILD.bazel
+++ b/absl/random/internal/BUILD.bazel
@@ -306,7 +306,10 @@ cc_library(
# anyway and thus there wouldn't be any gain from using it as a module.
features = ["-header_modules"],
linkopts = ABSL_DEFAULT_LINKOPTS,
- deps = [":platform"],
+ deps = [
+ ":platform",
+ "//absl/base:core_headers",
+ ],
)
cc_binary(
diff --git a/absl/random/internal/randen_hwaes.cc b/absl/random/internal/randen_hwaes.cc
index 6b82d1d0..7d5b2b74 100644
--- a/absl/random/internal/randen_hwaes.cc
+++ b/absl/random/internal/randen_hwaes.cc
@@ -22,39 +22,9 @@
#include <cstdint>
#include <cstring>
+#include "absl/base/attributes.h"
#include "absl/random/internal/platform.h"
-// ABSL_HAVE_ATTRIBUTE
-#if !defined(ABSL_HAVE_ATTRIBUTE)
-#ifdef __has_attribute
-#define ABSL_HAVE_ATTRIBUTE(x) __has_attribute(x)
-#else
-#define ABSL_HAVE_ATTRIBUTE(x) 0
-#endif
-#endif
-
-#if ABSL_HAVE_ATTRIBUTE(always_inline) || \
- (defined(__GNUC__) && !defined(__clang__))
-#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE \
- __attribute__((always_inline))
-#elif defined(_MSC_VER)
-// We can achieve something similar to attribute((always_inline)) with MSVC by
-// using the __forceinline keyword, however this is not perfect. MSVC is
-// much less aggressive about inlining, and even with the __forceinline keyword.
-#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE __forceinline
-#else
-#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE
-#endif
-
-// ABSL_ATTRIBUTE_FLATTEN enables much more aggressive inlining within
-// the indicated function.
-#undef ABSL_ATTRIBUTE_FLATTEN
-#if ABSL_HAVE_ATTRIBUTE(flatten) || (defined(__GNUC__) && !defined(__clang__))
-#define ABSL_ATTRIBUTE_FLATTEN __attribute__((flatten))
-#else
-#define ABSL_ATTRIBUTE_FLATTEN
-#endif
-
// ABSL_RANDEN_HWAES_IMPL indicates whether this file will contain
// a hardware accelerated implementation of randen, or whether it
// will contain stubs that exit the process.
@@ -146,18 +116,6 @@ void RandenHwAes::Generate(const void*, void*) {
#include "absl/random/internal/randen_traits.h"
-// ABSL_FUNCTION_ALIGN32 defines a 32-byte alignment attribute
-// for the functions in this file.
-//
-// NOTE: Determine whether we actually have any wins from ALIGN32
-// using microbenchmarks. If not, remove.
-#undef ABSL_FUNCTION_ALIGN32
-#if ABSL_HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__))
-#define ABSL_FUNCTION_ALIGN32 __attribute__((aligned(32)))
-#else
-#define ABSL_FUNCTION_ALIGN32
-#endif
-
// TARGET_CRYPTO defines a crypto attribute for each architecture.
//
// NOTE: Evaluate whether we should eliminate ABSL_TARGET_CRYPTO.
@@ -191,8 +149,7 @@ using Vector128 = __vector unsigned long long; // NOLINT(runtime/int)
namespace {
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128
-ReverseBytes(const Vector128& v) {
+inline ABSL_TARGET_CRYPTO Vector128 ReverseBytes(const Vector128& v) {
// Reverses the bytes of the vector.
const __vector unsigned char perm = {15, 14, 13, 12, 11, 10, 9, 8,
7, 6, 5, 4, 3, 2, 1, 0};
@@ -202,26 +159,26 @@ ReverseBytes(const Vector128& v) {
// WARNING: these load/store in native byte order. It is OK to load and then
// store an unchanged vector, but interpreting the bits as a number or input
// to AES will have undefined results.
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128
+inline ABSL_TARGET_CRYPTO Vector128
Vector128Load(const void* ABSL_RANDOM_INTERNAL_RESTRICT from) {
return vec_vsx_ld(0, reinterpret_cast<const Vector128*>(from));
}
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE void
-Vector128Store(const Vector128& v, void* ABSL_RANDOM_INTERNAL_RESTRICT to) {
+inline ABSL_TARGET_CRYPTO void Vector128Store(
+ const Vector128& v, void* ABSL_RANDOM_INTERNAL_RESTRICT to) {
vec_vsx_st(v, 0, reinterpret_cast<Vector128*>(to));
}
// One round of AES. "round_key" is a public constant for breaking the
// symmetry of AES (ensures previously equal columns differ afterwards).
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128
-AesRound(const Vector128& state, const Vector128& round_key) {
+inline ABSL_TARGET_CRYPTO Vector128 AesRound(const Vector128& state,
+ const Vector128& round_key) {
return Vector128(__builtin_crypto_vcipher(state, round_key));
}
// Enables native loads in the round loop by pre-swapping.
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE void
-SwapEndian(uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state) {
+inline ABSL_TARGET_CRYPTO void SwapEndian(
+ uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state) {
using absl::random_internal::RandenTraits;
constexpr size_t kLanes = 2;
constexpr size_t kFeistelBlocks = RandenTraits::kFeistelBlocks;
@@ -273,20 +230,20 @@ using Vector128 = uint8x16_t;
namespace {
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128
+inline ABSL_TARGET_CRYPTO Vector128
Vector128Load(const void* ABSL_RANDOM_INTERNAL_RESTRICT from) {
return vld1q_u8(reinterpret_cast<const uint8_t*>(from));
}
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE void
-Vector128Store(const Vector128& v, void* ABSL_RANDOM_INTERNAL_RESTRICT to) {
+inline ABSL_TARGET_CRYPTO void Vector128Store(
+ const Vector128& v, void* ABSL_RANDOM_INTERNAL_RESTRICT to) {
vst1q_u8(reinterpret_cast<uint8_t*>(to), v);
}
// One round of AES. "round_key" is a public constant for breaking the
// symmetry of AES (ensures previously equal columns differ afterwards).
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128
-AesRound(const Vector128& state, const Vector128& round_key) {
+inline ABSL_TARGET_CRYPTO Vector128 AesRound(const Vector128& state,
+ const Vector128& round_key) {
// It is important to always use the full round function - omitting the
// final MixColumns reduces security [https://eprint.iacr.org/2010/041.pdf]
// and does not help because we never decrypt.
@@ -297,8 +254,8 @@ AesRound(const Vector128& state, const Vector128& round_key) {
return vaesmcq_u8(vaeseq_u8(state, uint8x16_t{})) ^ round_key;
}
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE void
-SwapEndian(uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT) {}
+inline ABSL_TARGET_CRYPTO void SwapEndian(
+ uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT) {}
} // namespace
@@ -313,16 +270,11 @@ namespace {
class Vector128 {
public:
// Convert from/to intrinsics.
- inline ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE explicit Vector128(
- const __m128i& Vector128)
- : data_(Vector128) {}
+ inline explicit Vector128(const __m128i& Vector128) : data_(Vector128) {}
- inline ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE __m128i data() const {
- return data_;
- }
+ inline __m128i data() const { return data_; }
- inline ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128& operator^=(
- const Vector128& other) {
+ inline Vector128& operator^=(const Vector128& other) {
data_ = _mm_xor_si128(data_, other.data());
return *this;
}
@@ -331,29 +283,29 @@ class Vector128 {
__m128i data_;
};
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128
+inline ABSL_TARGET_CRYPTO Vector128
Vector128Load(const void* ABSL_RANDOM_INTERNAL_RESTRICT from) {
return Vector128(_mm_load_si128(reinterpret_cast<const __m128i*>(from)));
}
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE void
-Vector128Store(const Vector128& v, void* ABSL_RANDOM_INTERNAL_RESTRICT to) {
+inline ABSL_TARGET_CRYPTO void Vector128Store(
+ const Vector128& v, void* ABSL_RANDOM_INTERNAL_RESTRICT to) {
_mm_store_si128(reinterpret_cast<__m128i * ABSL_RANDOM_INTERNAL_RESTRICT>(to),
v.data());
}
// One round of AES. "round_key" is a public constant for breaking the
// symmetry of AES (ensures previously equal columns differ afterwards).
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE Vector128
-AesRound(const Vector128& state, const Vector128& round_key) {
+inline ABSL_TARGET_CRYPTO Vector128 AesRound(const Vector128& state,
+ const Vector128& round_key) {
// It is important to always use the full round function - omitting the
// final MixColumns reduces security [https://eprint.iacr.org/2010/041.pdf]
// and does not help because we never decrypt.
return Vector128(_mm_aesenc_si128(state.data(), round_key.data()));
}
-inline ABSL_TARGET_CRYPTO ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE void
-SwapEndian(uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT) {}
+inline ABSL_TARGET_CRYPTO void SwapEndian(
+ uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT) {}
} // namespace
@@ -450,8 +402,8 @@ constexpr size_t kLanes = 2;
// Block shuffles applies a shuffle to the entire state between AES rounds.
// Improved odd-even shuffle from "New criterion for diffusion property".
-inline ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE ABSL_TARGET_CRYPTO void
-BlockShuffle(uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state) {
+inline ABSL_TARGET_CRYPTO void BlockShuffle(
+ uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state) {
static_assert(kFeistelBlocks == 16, "Expecting 16 FeistelBlocks.");
constexpr size_t shuffle[kFeistelBlocks] = {7, 2, 13, 4, 11, 8, 3, 6,
@@ -499,10 +451,9 @@ BlockShuffle(uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state) {
// per 16 bytes (vs. 10 for AES-CTR). Computing eight round functions in
// parallel hides the 7-cycle AESNI latency on HSW. Note that the Feistel
// XORs are 'free' (included in the second AES instruction).
-inline ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE ABSL_TARGET_CRYPTO const
- u64x2*
- FeistelRound(uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state,
- const u64x2* ABSL_RANDOM_INTERNAL_RESTRICT keys) {
+inline ABSL_TARGET_CRYPTO const u64x2* FeistelRound(
+ uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state,
+ const u64x2* ABSL_RANDOM_INTERNAL_RESTRICT keys) {
static_assert(kFeistelBlocks == 16, "Expecting 16 FeistelBlocks.");
// MSVC does a horrible job at unrolling loops.
@@ -561,9 +512,9 @@ inline ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE ABSL_TARGET_CRYPTO const
// Indistinguishable from ideal by chosen-ciphertext adversaries using less than
// 2^64 queries if the round function is a PRF. This is similar to the b=8 case
// of Simpira v2, but more efficient than its generic construction for b=16.
-inline ABSL_RANDOM_INTERNAL_ATTRIBUTE_ALWAYS_INLINE ABSL_TARGET_CRYPTO void
-Permute(const void* ABSL_RANDOM_INTERNAL_RESTRICT keys,
- uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state) {
+inline ABSL_TARGET_CRYPTO void Permute(
+ const void* ABSL_RANDOM_INTERNAL_RESTRICT keys,
+ uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state) {
const u64x2* ABSL_RANDOM_INTERNAL_RESTRICT keys128 =
static_cast<const u64x2*>(keys);
@@ -584,16 +535,15 @@ namespace random_internal {
bool HasRandenHwAesImplementation() { return true; }
-const void* ABSL_TARGET_CRYPTO ABSL_FUNCTION_ALIGN32 ABSL_ATTRIBUTE_FLATTEN
-RandenHwAes::GetKeys() {
+const void* ABSL_TARGET_CRYPTO RandenHwAes::GetKeys() {
// Round keys for one AES per Feistel round and branch.
// The canonical implementation uses first digits of Pi.
return round_keys;
}
// NOLINTNEXTLINE
-void ABSL_TARGET_CRYPTO ABSL_FUNCTION_ALIGN32 ABSL_ATTRIBUTE_FLATTEN
-RandenHwAes::Absorb(const void* seed_void, void* state_void) {
+void ABSL_TARGET_CRYPTO RandenHwAes::Absorb(const void* seed_void,
+ void* state_void) {
uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state =
reinterpret_cast<uint64_t*>(state_void);
const uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT seed =
@@ -669,8 +619,8 @@ RandenHwAes::Absorb(const void* seed_void, void* state_void) {
}
// NOLINTNEXTLINE
-void ABSL_TARGET_CRYPTO ABSL_FUNCTION_ALIGN32 ABSL_ATTRIBUTE_FLATTEN
-RandenHwAes::Generate(const void* keys, void* state_void) {
+void ABSL_TARGET_CRYPTO RandenHwAes::Generate(const void* keys,
+ void* state_void) {
static_assert(kCapacityBytes == sizeof(Vector128), "Capacity mismatch");
uint64_t* ABSL_RANDOM_INTERNAL_RESTRICT state =
diff --git a/absl/random/internal/uniform_helper.h b/absl/random/internal/uniform_helper.h
index 21646489..ebcc3744 100644
--- a/absl/random/internal/uniform_helper.h
+++ b/absl/random/internal/uniform_helper.h
@@ -35,9 +35,6 @@ struct IntervalClosedClosedT {};
struct IntervalClosedOpenT {};
struct IntervalOpenClosedT {};
struct IntervalOpenOpenT {};
-} // namespace random_internal
-
-namespace random_internal {
// The functions
// uniform_lower_bound(tag, a, b)
diff --git a/absl/strings/string_view.h b/absl/strings/string_view.h
index 25a4d1ed..a1b5a17b 100644
--- a/absl/strings/string_view.h
+++ b/absl/strings/string_view.h
@@ -342,7 +342,7 @@ class string_view {
size_type rlen = (std::min)(length_ - pos, n);
if (rlen > 0) {
const char* start = ptr_ + pos;
- std::copy(start, start + rlen, buf);
+ traits_type::copy(buf, start, rlen);
}
return rlen;
}
diff --git a/absl/time/internal/cctz/src/time_zone_impl.cc b/absl/time/internal/cctz/src/time_zone_impl.cc
index 3cbc6746..a26151d3 100644
--- a/absl/time/internal/cctz/src/time_zone_impl.cc
+++ b/absl/time/internal/cctz/src/time_zone_impl.cc
@@ -33,7 +33,12 @@ using TimeZoneImplByName =
TimeZoneImplByName* time_zone_map = nullptr;
// Mutual exclusion for time_zone_map.
-std::mutex time_zone_mutex;
+std::mutex& TimeZoneMutex() {
+ // This mutex is intentionally "leaked" to avoid the static deinitialization
+ // order fiasco (std::mutex's destructor is not trivial on many platforms).
+ static std::mutex* time_zone_mutex = new std::mutex;
+ return *time_zone_mutex;
+}
} // namespace
@@ -54,7 +59,7 @@ bool time_zone::Impl::LoadTimeZone(const std::string& name, time_zone* tz) {
// Then check, under a shared lock, whether the time zone has already
// been loaded. This is the common path. TODO: Move to shared_mutex.
{
- std::lock_guard<std::mutex> lock(time_zone_mutex);
+ std::lock_guard<std::mutex> lock(TimeZoneMutex());
if (time_zone_map != nullptr) {
TimeZoneImplByName::const_iterator itr = time_zone_map->find(name);
if (itr != time_zone_map->end()) {
@@ -65,7 +70,7 @@ bool time_zone::Impl::LoadTimeZone(const std::string& name, time_zone* tz) {
}
// Now check again, under an exclusive lock.
- std::lock_guard<std::mutex> lock(time_zone_mutex);
+ std::lock_guard<std::mutex> lock(TimeZoneMutex());
if (time_zone_map == nullptr) time_zone_map = new TimeZoneImplByName;
const Impl*& impl = (*time_zone_map)[name];
if (impl == nullptr) {
@@ -84,7 +89,7 @@ bool time_zone::Impl::LoadTimeZone(const std::string& name, time_zone* tz) {
}
void time_zone::Impl::ClearTimeZoneMapTestOnly() {
- std::lock_guard<std::mutex> lock(time_zone_mutex);
+ std::lock_guard<std::mutex> lock(TimeZoneMutex());
if (time_zone_map != nullptr) {
// Existing time_zone::Impl* entries are in the wild, so we simply
// leak them. Future requests will result in reloading the data.