diff options
Diffstat (limited to 'absl')
-rw-r--r-- | absl/base/internal/inline_variable.h | 30 | ||||
-rw-r--r-- | absl/base/internal/malloc_hook.h | 7 | ||||
-rw-r--r-- | absl/base/internal/malloc_hook_c.h | 1 | ||||
-rw-r--r-- | absl/base/internal/spinlock.h | 2 | ||||
-rw-r--r-- | absl/container/fixed_array.h | 8 | ||||
-rw-r--r-- | absl/container/fixed_array_test.cc | 1 | ||||
-rw-r--r-- | absl/synchronization/mutex.cc | 5 | ||||
-rw-r--r-- | absl/synchronization/mutex.h | 4 | ||||
-rw-r--r-- | absl/synchronization/mutex_test.cc | 10 | ||||
-rw-r--r-- | absl/types/BUILD.bazel | 2 | ||||
-rw-r--r-- | absl/types/any.h | 1 |
11 files changed, 47 insertions, 24 deletions
diff --git a/absl/base/internal/inline_variable.h b/absl/base/internal/inline_variable.h index f7bb8c56525d..a65fe89354cb 100644 --- a/absl/base/internal/inline_variable.h +++ b/absl/base/internal/inline_variable.h @@ -53,7 +53,24 @@ // it will likely be a reference type). //////////////////////////////////////////////////////////////////////////////// -#ifdef __cpp_inline_variables +// ABSL_INTERNAL_HAS_WARNING() +// +// If the compiler supports the `__has_warning` extension for detecting +// warnings, then this macro is defined to be `__has_warning`. +// +// If the compiler does not support `__has_warning`, invocations expand to 0. +// +// For clang's documentation of `__has_warning`, see +// https://clang.llvm.org/docs/LanguageExtensions.html#has-warning +#if defined(__has_warning) +#define ABSL_INTERNAL_HAS_WARNING __has_warning +#else // Otherwise, be optimistic and assume the warning is not enabled. +#define ABSL_INTERNAL_HAS_WARNING(warning) 0 +#endif // defined(__has_warning) + +// If the compiler supports inline variables and does not warn when used... +#if defined(__cpp_inline_variables) && \ + !ABSL_INTERNAL_HAS_WARNING("-Wc++98-c++11-c++14-compat") // Clang's -Wmissing-variable-declarations option erroneously warned that // inline constexpr objects need to be pre-declared. This has now been fixed, @@ -66,19 +83,21 @@ // identity_t is used here so that the const and name are in the // appropriate place for pointer types, reference types, function pointer // types, etc.. -#if defined(__clang__) +#if defined(__clang__) && \ + ABSL_INTERNAL_HAS_WARNING("-Wmissing-variable-declarations") #define ABSL_INTERNAL_EXTERN_DECL(type, name) \ extern const ::absl::internal::identity_t<type> name; #else // Otherwise, just define the macro to do nothing. #define ABSL_INTERNAL_EXTERN_DECL(type, name) -#endif // defined(__clang__) +#endif // defined(__clang__) && + // ABSL_INTERNAL_HAS_WARNING("-Wmissing-variable-declarations") // See above comment at top of file for details. #define ABSL_INTERNAL_INLINE_CONSTEXPR(type, name, init) \ ABSL_INTERNAL_EXTERN_DECL(type, name) \ inline constexpr ::absl::internal::identity_t<type> name = init -#else +#else // Otherwise, we need to emulate inline variables... // See above comment at top of file for details. // @@ -102,6 +121,7 @@ static_assert(sizeof(void (*)(decltype(name))) != 0, \ "Silence unused variable warnings.") -#endif // __cpp_inline_variables +#endif // defined(__cpp_inline_variables) && + // !ABSL_INTERNAL_HAS_WARNING("-Wc++98-c++11-c++14-compat") #endif // ABSL_BASE_INTERNAL_INLINE_VARIABLE_EMULATION_H_ diff --git a/absl/base/internal/malloc_hook.h b/absl/base/internal/malloc_hook.h index 7c1eaddb70ec..6b006edac6d4 100644 --- a/absl/base/internal/malloc_hook.h +++ b/absl/base/internal/malloc_hook.h @@ -91,8 +91,11 @@ class MallocHook { // SampledAlloc has the following fields: // * AllocHandle handle: to be set to an effectively unique value (in this // process) by allocator. - // * size_t allocated_size: space actually used by allocator to host - // the object. + // * size_t allocated_size: space actually used by allocator to host the + // object. Not necessarily equal to the requested size due to alignment + // and other reasons. + // * double weight: the expected number of allocations matching this profile + // that this sample represents. // * int stack_depth and const void* stack: invocation stack for // the allocation. // The allocator invoking the hook should record the handle value and later diff --git a/absl/base/internal/malloc_hook_c.h b/absl/base/internal/malloc_hook_c.h index ed41143a2020..7255ddc22900 100644 --- a/absl/base/internal/malloc_hook_c.h +++ b/absl/base/internal/malloc_hook_c.h @@ -37,6 +37,7 @@ typedef struct { /* See malloc_hook.h for documentation for this struct. */ MallocHook_AllocHandle handle; size_t allocated_size; + double weight; int stack_depth; const void* stack; } MallocHook_SampledAlloc; diff --git a/absl/base/internal/spinlock.h b/absl/base/internal/spinlock.h index a9037e3ed05c..212abc669e62 100644 --- a/absl/base/internal/spinlock.h +++ b/absl/base/internal/spinlock.h @@ -227,7 +227,7 @@ inline uint32_t SpinLock::TryLockInternal(uint32_t lock_value, kSpinLockHeld | lock_value | wait_cycles | sched_disabled_bit, std::memory_order_acquire, std::memory_order_relaxed)) { } else { - base_internal::SchedulingGuard::EnableRescheduling(sched_disabled_bit); + base_internal::SchedulingGuard::EnableRescheduling(sched_disabled_bit != 0); } return lock_value; diff --git a/absl/container/fixed_array.h b/absl/container/fixed_array.h index 1fec9d2b3784..b92d90564d21 100644 --- a/absl/container/fixed_array.h +++ b/absl/container/fixed_array.h @@ -458,7 +458,7 @@ class FixedArray { // Loop optimizes to nothing for trivially destructible T. for (Holder* p = end(); p != begin();) (--p)->~Holder(); if (IsAllocated(size())) { - ::operator delete[](begin()); + std::allocator<Holder>().deallocate(p_, n_); } else { this->AnnotateDestruct(size()); } @@ -470,17 +470,13 @@ class FixedArray { private: Holder* MakeHolder(size_type n) { if (IsAllocated(n)) { - return Allocate(n); + return std::allocator<Holder>().allocate(n); } else { this->AnnotateConstruct(n); return this->data(); } } - Holder* Allocate(size_type n) { - return static_cast<Holder*>(::operator new[](n * sizeof(Holder))); - } - bool IsAllocated(size_type n) const { return n > inline_elements; } const size_type n_; diff --git a/absl/container/fixed_array_test.cc b/absl/container/fixed_array_test.cc index b6782f517a6c..2142132d1352 100644 --- a/absl/container/fixed_array_test.cc +++ b/absl/container/fixed_array_test.cc @@ -504,6 +504,7 @@ struct PickyDelete { TEST(FixedArrayTest, UsesGlobalAlloc) { absl::FixedArray<PickyDelete, 0> a(5); } + TEST(FixedArrayTest, Data) { static const int kInput[] = { 2, 3, 5, 7, 11, 13, 17 }; absl::FixedArray<int> fa(std::begin(kInput), std::end(kInput)); diff --git a/absl/synchronization/mutex.cc b/absl/synchronization/mutex.cc index 06a058cf710b..33f92d8fabba 100644 --- a/absl/synchronization/mutex.cc +++ b/absl/synchronization/mutex.cc @@ -48,7 +48,6 @@ #include "absl/base/internal/spinlock.h" #include "absl/base/internal/sysinfo.h" #include "absl/base/internal/thread_identity.h" -#include "absl/base/internal/tsan_mutex_interface.h" #include "absl/base/port.h" #include "absl/debugging/stacktrace.h" #include "absl/synchronization/internal/graphcycles.h" @@ -687,10 +686,6 @@ static unsigned TsanFlags(Mutex::MuHow how) { } #endif -Mutex::Mutex() : mu_(0) { - ABSL_TSAN_MUTEX_CREATE(this, __tsan_mutex_not_static); -} - static bool DebugOnlyIsExiting() { return false; } diff --git a/absl/synchronization/mutex.h b/absl/synchronization/mutex.h index b09802b523bc..374cf57d2e94 100644 --- a/absl/synchronization/mutex.h +++ b/absl/synchronization/mutex.h @@ -64,6 +64,7 @@ #include "absl/base/internal/identity.h" #include "absl/base/internal/low_level_alloc.h" #include "absl/base/internal/thread_identity.h" +#include "absl/base/internal/tsan_mutex_interface.h" #include "absl/base/port.h" #include "absl/base/thread_annotations.h" #include "absl/synchronization/internal/kernel_timeout.h" @@ -860,6 +861,9 @@ class SCOPED_LOCKABLE ReleasableMutexLock { #ifdef ABSL_INTERNAL_USE_NONPROD_MUTEX #else +inline Mutex::Mutex() : mu_(0) { + ABSL_TSAN_MUTEX_CREATE(this, __tsan_mutex_not_static); +} inline CondVar::CondVar() : cv_(0) {} #endif diff --git a/absl/synchronization/mutex_test.cc b/absl/synchronization/mutex_test.cc index 5a5874def72d..53b937843a34 100644 --- a/absl/synchronization/mutex_test.cc +++ b/absl/synchronization/mutex_test.cc @@ -1234,10 +1234,12 @@ static void CheckResults(bool exp_result, bool act_result, absl::Duration act_duration) { ABSL_RAW_CHECK(exp_result == act_result, "CheckResults failed"); // Allow for some worse-case scheduling delay and clock skew. - ABSL_RAW_CHECK(exp_duration - absl::Milliseconds(40) <= act_duration, - "CheckResults failed"); - ABSL_RAW_CHECK(exp_duration + absl::Milliseconds(150) >= act_duration, - "CheckResults failed"); + if ((exp_duration - absl::Milliseconds(40) > act_duration) || + (exp_duration + absl::Milliseconds(150) < act_duration)) { + ABSL_RAW_LOG(FATAL, "CheckResults failed: operation took %s, expected %s", + absl::FormatDuration(act_duration).c_str(), + absl::FormatDuration(exp_duration).c_str()); + } } static void TestAwaitTimeout(Cond *cp, absl::Duration timeout, bool exp_result, diff --git a/absl/types/BUILD.bazel b/absl/types/BUILD.bazel index 60d6a60fa881..c2f033870ab0 100644 --- a/absl/types/BUILD.bazel +++ b/absl/types/BUILD.bazel @@ -110,7 +110,7 @@ cc_test( name = "span_test", size = "small", srcs = ["span_test.cc"], - copts = ABSL_TEST_COPTS + ["-fexceptions"], + copts = ABSL_TEST_COPTS + ABSL_EXCEPTIONS_FLAG, deps = [ ":span", "//absl/base:config", diff --git a/absl/types/any.h b/absl/types/any.h index 2e7bf21f55f6..cee9cd324fc9 100644 --- a/absl/types/any.h +++ b/absl/types/any.h @@ -373,6 +373,7 @@ class any { return typeid(void); } #endif // ABSL_ANY_DETAIL_HAS_RTTI + private: // Tagged type-erased abstraction for holding a cloneable object. class ObjInterface { |