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| author | Vincent Ambo <mail@tazj.in> | 2020-11-21T13·43+0100 |
|---|---|---|
| committer | Vincent Ambo <mail@tazj.in> | 2020-11-21T14·48+0100 |
| commit | 082c006c04343a78d87b6c6ab3608c25d6213c3f (patch) | |
| tree | 16e6f04f8d1d1d2d67e8e917d5e7bb48c1b60375 /third_party/abseil_cpp/absl/base/internal/spinlock.h | |
| parent | cc27324d0226953943f408ce3c69ad7d648e005e (diff) | |
merge(3p/absl): subtree merge of Abseil up to e19260f r/1889
... notably, this includes Abseil's own StatusOr type, which conflicted with our implementation (that was taken from TensorFlow). Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
Diffstat (limited to 'third_party/abseil_cpp/absl/base/internal/spinlock.h')
| -rw-r--r-- | third_party/abseil_cpp/absl/base/internal/spinlock.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/spinlock.h b/third_party/abseil_cpp/absl/base/internal/spinlock.h index 2222398b16b4..e6ac9e6400b2 100644 --- a/third_party/abseil_cpp/absl/base/internal/spinlock.h +++ b/third_party/abseil_cpp/absl/base/internal/spinlock.h @@ -64,7 +64,14 @@ class ABSL_LOCKABLE SpinLock { constexpr SpinLock(absl::ConstInitType, base_internal::SchedulingMode mode) : lockword_(IsCooperative(mode) ? kSpinLockCooperative : 0) {} + // For global SpinLock instances prefer trivial destructor when possible. + // Default but non-trivial destructor in some build configurations causes an + // extra static initializer. +#ifdef ABSL_INTERNAL_HAVE_TSAN_INTERFACE ~SpinLock() { ABSL_TSAN_MUTEX_DESTROY(this, __tsan_mutex_not_static); } +#else + ~SpinLock() = default; +#endif // Acquire this SpinLock. inline void Lock() ABSL_EXCLUSIVE_LOCK_FUNCTION() { |