diff options
Diffstat (limited to 'third_party/abseil-cpp/absl/base/call_once.h')
| -rw-r--r-- | third_party/abseil-cpp/absl/base/call_once.h | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/third_party/abseil-cpp/absl/base/call_once.h b/third_party/abseil-cpp/absl/base/call_once.h index bc5ec93704..96109f537c 100644 --- a/third_party/abseil-cpp/absl/base/call_once.h +++ b/third_party/abseil-cpp/absl/base/call_once.h @@ -175,17 +175,10 @@ void CallOnceImpl(std::atomic<uint32_t>* control, std::memory_order_relaxed) || base_internal::SpinLockWait(control, ABSL_ARRAYSIZE(trans), trans, scheduling_mode) == kOnceInit) { - base_internal::Invoke(std::forward<Callable>(fn), + base_internal::invoke(std::forward<Callable>(fn), std::forward<Args>(args)...); - // The call to SpinLockWake below is an optimization, because the waiter - // in SpinLockWait is waiting with a short timeout. The atomic load/store - // sequence is slightly faster than an atomic exchange: - // old_control = control->exchange(base_internal::kOnceDone, - // std::memory_order_release); - // We opt for a slightly faster case when there are no waiters, in spite - // of longer tail latency when there are waiters. - old_control = control->load(std::memory_order_relaxed); - control->store(base_internal::kOnceDone, std::memory_order_release); + old_control = + control->exchange(base_internal::kOnceDone, std::memory_order_release); if (old_control == base_internal::kOnceWaiter) { base_internal::SpinLockWake(control, true); } |