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Revert "Backport SPSCQueue commit 3086fa9."
This reverts commit 2a3a57d245
.
Fucking MSVC 2015 has chosen to emit errors on unsupported attributes.
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parent
ffc06087b9
commit
e83e83dae9
@ -79,7 +79,7 @@ public:
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writeIdx_.store(nextWriteIdx, std::memory_order_release);
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}
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[[nodiscard]] T *front() noexcept {
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T *front() noexcept {
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auto const readIdx = readIdx_.load(std::memory_order_relaxed);
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if (readIdx == writeIdxCache_) {
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writeIdxCache_ = writeIdx_.load(std::memory_order_acquire);
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@ -103,7 +103,7 @@ public:
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readIdx_.store(nextReadIdx, std::memory_order_release);
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}
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[[nodiscard]] size_t size() const noexcept {
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size_t size() const noexcept {
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std::ptrdiff_t diff = writeIdx_.load(std::memory_order_acquire) -
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readIdx_.load(std::memory_order_acquire);
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if (diff < 0) {
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@ -112,12 +112,12 @@ public:
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return static_cast<size_t>(diff);
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}
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[[nodiscard]] bool empty() const noexcept {
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bool empty() const noexcept {
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return writeIdx_.load(std::memory_order_acquire) ==
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readIdx_.load(std::memory_order_acquire);
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}
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[[nodiscard]] size_t capacity() const noexcept { return capacity_ - 1; }
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size_t capacity() const noexcept { return capacity_ - 1; }
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private:
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static constexpr size_t kCacheLineSize = 64;
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