diff options
Diffstat (limited to 'absl/base')
-rw-r--r-- | absl/base/config.h | 24 | ||||
-rw-r--r-- | absl/base/internal/malloc_hook.cc | 1 | ||||
-rw-r--r-- | absl/base/internal/spinlock.cc | 5 | ||||
-rw-r--r-- | absl/base/internal/spinlock.h | 6 | ||||
-rw-r--r-- | absl/base/internal/sysinfo.cc | 2 | ||||
-rw-r--r-- | absl/base/internal/thread_identity_test.cc | 1 | ||||
-rw-r--r-- | absl/base/spinlock_test_common.cc | 5 |
7 files changed, 24 insertions, 20 deletions
diff --git a/absl/base/config.h b/absl/base/config.h index 5802b653baff..3f3b8b3a64e3 100644 --- a/absl/base/config.h +++ b/absl/base/config.h @@ -181,21 +181,21 @@ // __SIZEOF_INT128__ but not all versions actually support __int128. #ifdef ABSL_HAVE_INTRINSIC_INT128 #error ABSL_HAVE_INTRINSIC_INT128 cannot be directly set -#elif (defined(__clang__) && defined(__SIZEOF_INT128__) && \ - !defined(__aarch64__)) || \ - (defined(__CUDACC__) && defined(__SIZEOF_INT128__) && \ - __CUDACC_VER_MAJOR__ >= 9) || \ - (!defined(__clang__) && !defined(__CUDACC__) && defined(__GNUC__) && \ - defined(__SIZEOF_INT128__)) +#elif defined(__SIZEOF_INT128__) +#if (defined(__clang__) && !defined(__aarch64__)) || \ + (defined(__CUDACC__) && __CUDACC_VER_MAJOR__ >= 9) || \ + (!defined(__clang__) && !defined(__CUDACC__) && defined(__GNUC__)) #define ABSL_HAVE_INTRINSIC_INT128 1 +#elif defined(__CUDACC__) // __CUDACC_VER__ is a full version number before CUDA 9, and is defined to a -// std::string explaining that it has been removed starting with CUDA 9. We can't -// compare both variants in a single boolean expression because there is no -// short-circuiting in the preprocessor. -#elif defined(__CUDACC__) && defined(__SIZEOF_INT128__) && \ - __CUDACC_VER__ >= 7000 +// std::string explaining that it has been removed starting with CUDA 9. We use +// nested #ifs because there is no short-circuiting in the preprocessor. +// NOTE: `__CUDACC__` could be undefined while `__CUDACC_VER__` is defined. +#if __CUDACC_VER__ >= 70000 #define ABSL_HAVE_INTRINSIC_INT128 1 -#endif +#endif // __CUDACC_VER__ >= 70000 +#endif // defined(__CUDACC__) +#endif // ABSL_HAVE_INTRINSIC_INT128 // ABSL_HAVE_EXCEPTIONS // diff --git a/absl/base/internal/malloc_hook.cc b/absl/base/internal/malloc_hook.cc index 7165d4cbd02a..52531c680148 100644 --- a/absl/base/internal/malloc_hook.cc +++ b/absl/base/internal/malloc_hook.cc @@ -12,6 +12,7 @@ // See the License for the specific language governing permissions and // limitations under the License. +#include "absl/base/attributes.h" #include "absl/base/config.h" #if ABSL_HAVE_MMAP diff --git a/absl/base/internal/spinlock.cc b/absl/base/internal/spinlock.cc index 3ac1f4dc96c3..28a2059f3287 100644 --- a/absl/base/internal/spinlock.cc +++ b/absl/base/internal/spinlock.cc @@ -83,11 +83,6 @@ void RegisterSpinLockProfiler(void (*fn)(const void *contendedlock, submit_profile_data.Store(fn); } -static inline bool IsCooperative( - base_internal::SchedulingMode scheduling_mode) { - return scheduling_mode == base_internal::SCHEDULE_COOPERATIVE_AND_KERNEL; -} - // Uncommon constructors. SpinLock::SpinLock(base_internal::SchedulingMode mode) : lockword_(IsCooperative(mode) ? kSpinLockCooperative : 0) { diff --git a/absl/base/internal/spinlock.h b/absl/base/internal/spinlock.h index f486f68a04f9..a9037e3ed05c 100644 --- a/absl/base/internal/spinlock.h +++ b/absl/base/internal/spinlock.h @@ -151,6 +151,12 @@ class LOCKABLE SpinLock { enum { kWaitTimeMask = // Includes kSpinLockSleeper. ~(kSpinLockHeld | kSpinLockCooperative | kSpinLockDisabledScheduling) }; + // Returns true if the provided scheduling mode is cooperative. + static constexpr bool IsCooperative( + base_internal::SchedulingMode scheduling_mode) { + return scheduling_mode == base_internal::SCHEDULE_COOPERATIVE_AND_KERNEL; + } + uint32_t TryLockInternal(uint32_t lock_value, uint32_t wait_cycles); void InitLinkerInitializedAndCooperative(); void SlowLock() ABSL_ATTRIBUTE_COLD; diff --git a/absl/base/internal/sysinfo.cc b/absl/base/internal/sysinfo.cc index 884c31262877..dca7d8fdc020 100644 --- a/absl/base/internal/sysinfo.cc +++ b/absl/base/internal/sysinfo.cc @@ -14,6 +14,8 @@ #include "absl/base/internal/sysinfo.h" +#include "absl/base/attributes.h" + #ifdef _WIN32 #include <shlwapi.h> #include <windows.h> diff --git a/absl/base/internal/thread_identity_test.cc b/absl/base/internal/thread_identity_test.cc index 7695a091cdf9..ecb8af689829 100644 --- a/absl/base/internal/thread_identity_test.cc +++ b/absl/base/internal/thread_identity_test.cc @@ -18,6 +18,7 @@ #include <vector> #include "gtest/gtest.h" +#include "absl/base/attributes.h" #include "absl/base/internal/spinlock.h" #include "absl/base/macros.h" #include "absl/synchronization/internal/per_thread_sem.h" diff --git a/absl/base/spinlock_test_common.cc b/absl/base/spinlock_test_common.cc index 6918603ca954..1b508848611e 100644 --- a/absl/base/spinlock_test_common.cc +++ b/absl/base/spinlock_test_common.cc @@ -23,6 +23,7 @@ #include <vector> #include "gtest/gtest.h" +#include "absl/base/attributes.h" #include "absl/base/internal/low_level_scheduling.h" #include "absl/base/internal/scheduling_mode.h" #include "absl/base/internal/spinlock.h" @@ -53,7 +54,6 @@ namespace { static constexpr int kArrayLength = 10; static uint32_t values[kArrayLength]; - static SpinLock static_spinlock(base_internal::kLinkerInitialized); static SpinLock static_cooperative_spinlock( base_internal::kLinkerInitialized, @@ -61,6 +61,7 @@ static SpinLock static_cooperative_spinlock( static SpinLock static_noncooperative_spinlock( base_internal::kLinkerInitialized, base_internal::SCHEDULE_KERNEL_ONLY); + // Simple integer hash function based on the public domain lookup2 hash. // http://burtleburtle.net/bob/c/lookup2.c static uint32_t Hash32(uint32_t a, uint32_t c) { @@ -187,11 +188,9 @@ TEST(SpinLock, WaitCyclesEncoding) { SpinLockTest::DecodeWaitCycles(before_max_value); EXPECT_GT(expected_max_value_decoded, before_max_value_decoded); } - TEST(SpinLockWithThreads, StaticSpinLock) { ThreadedTest(&static_spinlock); } - TEST(SpinLockWithThreads, StackSpinLock) { SpinLock spinlock; ThreadedTest(&spinlock); |