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[libc++] std::barrier uses native wait #171041

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[libc++] std::barrier uses native wait #171041

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3 changes: 1 addition & 2 deletions libcxx/include/barrier
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Original file line number Diff line number Diff line change
Expand Up @@ -142,8 +142,7 @@ public:
return __old_phase;
}
_LIBCPP_HIDE_FROM_ABI void wait(arrival_token&& __old_phase) const {
auto const __test_fn = [this, __old_phase]() -> bool { return __phase_.load(memory_order_acquire) != __old_phase; };
std::__libcpp_thread_poll_with_backoff(__test_fn, __libcpp_timed_backoff_policy());
__phase_.wait(__old_phase, std::memory_order_acquire);
}
_LIBCPP_HIDE_FROM_ABI void arrive_and_drop() {
__expected_adjustment_.fetch_sub(1, memory_order_relaxed);
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