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Backport SPSCQueue commit 3086fa9.

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Bartosz Taudul 2022-03-18 02:09:00 +01:00
parent c2fcc699be
commit 2a3a57d245
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GPG Key ID: B7FE2008B7575DF3
1 changed files with 4 additions and 4 deletions
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8
client/tracy_SPSCQueue.h
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@ -79,7 +79,7 @@ public:
writeIdx_.store(nextWriteIdx, std::memory_order_release); writeIdx_.store(nextWriteIdx, std::memory_order_release);
} }
T *front() noexcept { [[nodiscard]] T *front() noexcept {
auto const readIdx = readIdx_.load(std::memory_order_relaxed); auto const readIdx = readIdx_.load(std::memory_order_relaxed);
if (readIdx == writeIdxCache_) { if (readIdx == writeIdxCache_) {
writeIdxCache_ = writeIdx_.load(std::memory_order_acquire); writeIdxCache_ = writeIdx_.load(std::memory_order_acquire);
@ -103,7 +103,7 @@ public:
readIdx_.store(nextReadIdx, std::memory_order_release); readIdx_.store(nextReadIdx, std::memory_order_release);
} }
size_t size() const noexcept { [[nodiscard]] size_t size() const noexcept {
std::ptrdiff_t diff = writeIdx_.load(std::memory_order_acquire) - std::ptrdiff_t diff = writeIdx_.load(std::memory_order_acquire) -
readIdx_.load(std::memory_order_acquire); readIdx_.load(std::memory_order_acquire);
if (diff < 0) { if (diff < 0) {
@ -112,12 +112,12 @@ public:
return static_cast<size_t>(diff); return static_cast<size_t>(diff);
} }
bool empty() const noexcept { [[nodiscard]] bool empty() const noexcept {
return writeIdx_.load(std::memory_order_acquire) == return writeIdx_.load(std::memory_order_acquire) ==
readIdx_.load(std::memory_order_acquire); readIdx_.load(std::memory_order_acquire);
} }
size_t capacity() const noexcept { return capacity_ - 1; } [[nodiscard]] size_t capacity() const noexcept { return capacity_ - 1; }
private: private:
static constexpr size_t kCacheLineSize = 64; static constexpr size_t kCacheLineSize = 64;