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Merge pull request #8577 from jordan-woyak/shared_mutex 

Common/Analytics: Replace mutex with shared_mutex and minor cleanups.
This commit is contained in:
Tilka 2020-01-25 20:08:22 +00:00 committed by GitHub
parent 119ccc5e4f 5e3472eba9
commit 9827aa7a37
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 8 additions and 12 deletions
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20
Source/Core/Common/Analytics.h
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@ -6,7 +6,7 @@
#include <chrono>
#include <memory>
#include <mutex>
#include <shared_mutex>
#include <string>
#include <string_view>
#include <thread>
@ -59,19 +59,16 @@ public:
AnalyticsReportBuilder();
~AnalyticsReportBuilder() = default;
AnalyticsReportBuilder(const AnalyticsReportBuilder& other) { *this = other; }
AnalyticsReportBuilder(AnalyticsReportBuilder&& other)
{
std::lock_guard lk{other.m_lock};
m_report = std::move(other.m_report);
}
AnalyticsReportBuilder(const AnalyticsReportBuilder& other) : m_report{other.Get()} {}
AnalyticsReportBuilder(AnalyticsReportBuilder&& other) : m_report{other.Consume()} {}
const AnalyticsReportBuilder& operator=(const AnalyticsReportBuilder& other)
{
if (this != &other)
{
std::scoped_lock lk{m_lock, other.m_lock};
m_report = other.m_report;
std::string other_report = other.Get();
std::lock_guard lk{m_lock};
m_report = std::move(other_report);
}
return *this;
}
@ -106,7 +103,7 @@ public:
std::string Get() const
{
std::lock_guard lk{m_lock};
std::shared_lock lk{m_lock};
return m_report;
}
@ -129,8 +126,7 @@ protected:
static void AppendSerializedValueVector(std::string* report, const std::vector<u32>& v);
// Should really be a std::shared_mutex, unfortunately that's C++17 only.
mutable std::mutex m_lock;
mutable std::shared_mutex m_lock;
std::string m_report;
};