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Change hal sim to use spinlocks (#1291)

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This makes callback registration completely thread safe.

This patch also uses templates and macros to dramatically reduce the amount of
manual boilerplate.
This commit is contained in:
Peter Johnson
2018-09-03 16:08:07 -07:00
committed by GitHub
parent 67b1c85315
commit c0ff6198b3
65 changed files with 1305 additions and 7639 deletions
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32
hal/src/main/native/sim/mockdata/AnalogOutDataInternal.h
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@@ -7,39 +7,19 @@
#pragma once
#include <atomic>
#include <memory>
#include <wpi/mutex.h>
#include "mockdata/AnalogOutData.h"
#include "mockdata/NotifyListenerVector.h"
#include "mockdata/SimDataValue.h"
namespace hal {
class AnalogOutData {
public:
int32_t RegisterVoltageCallback(HAL_NotifyCallback callback, void* param,
HAL_Bool initialNotify);
void CancelVoltageCallback(int32_t uid);
void InvokeVoltageCallback(HAL_Value value);
double GetVoltage();
void SetVoltage(double voltage);
HAL_SIMDATAVALUE_DEFINE_NAME(Voltage)
HAL_SIMDATAVALUE_DEFINE_NAME(Initialized)
int32_t RegisterInitializedCallback(HAL_NotifyCallback callback, void* param,
HAL_Bool initialNotify);
void CancelInitializedCallback(int32_t uid);
void InvokeInitializedCallback(HAL_Value value);
HAL_Bool GetInitialized();
void SetInitialized(HAL_Bool initialized);
public:
SimDataValue<double, MakeDouble, GetVoltageName> voltage{0.0};
SimDataValue<HAL_Bool, MakeBoolean, GetInitializedName> initialized{0};
virtual void ResetData();
private:
wpi::mutex m_registerMutex;
std::atomic<double> m_voltage{0.0};
std::shared_ptr<NotifyListenerVector> m_voltageCallbacks = nullptr;
std::atomic<HAL_Bool> m_initialized{0};
std::shared_ptr<NotifyListenerVector> m_initializedCallbacks = nullptr;
};
extern AnalogOutData* SimAnalogOutData;
} // namespace hal