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Simplify locking for singleton initialization #3

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Merged
drfiemost merged 1 commit into from
Feb 6, 2026
Merged

Simplify locking for singleton initialization #3

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9 changes: 2 additions & 7 deletions src/FilterModelConfig6581.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -85,16 +85,11 @@ constexpr Spline::Point opamp_voltage[OPAMP_SIZE] =

std::unique_ptr<FilterModelConfig6581> FilterModelConfig6581::instance(nullptr);

std::mutex Instance6581_Lock;
std::once_flag flag6581;

FilterModelConfig6581* FilterModelConfig6581::getInstance()
{
std::lock_guard<std::mutex> lock(Instance6581_Lock);

if (!instance.get())
{
instance.reset(new FilterModelConfig6581());
}
std::call_once(flag6581, [](){ instance.reset(new FilterModelConfig6581()); });

return instance.get();
}
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9 changes: 2 additions & 7 deletions src/FilterModelConfig8580.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -116,16 +116,11 @@ constexpr Spline::Point opamp_voltage[OPAMP_SIZE] =

std::unique_ptr<FilterModelConfig8580> FilterModelConfig8580::instance(nullptr);

std::mutex Instance8580_Lock;
std::once_flag flag8580;

FilterModelConfig8580* FilterModelConfig8580::getInstance()
{
std::lock_guard<std::mutex> lock(Instance8580_Lock);

if (!instance.get())
{
instance.reset(new FilterModelConfig8580());
}
std::call_once(flag8580, [](){ instance.reset(new FilterModelConfig8580()); });

return instance.get();
}
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