Change hal sim to use spinlocks (#1291)

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

View File

@@ -7,7 +7,6 @@
#include "../PortsInternal.h"
#include "SPIAccelerometerDataInternal.h"
#include "mockdata/NotifyCallbackHelpers.h"
using namespace hal;
@@ -22,195 +21,11 @@ void InitializeSPIAccelerometerData() {
SPIAccelerometerData* hal::SimSPIAccelerometerData;
void SPIAccelerometerData::ResetData() {
m_active = false;
m_activeCallbacks = nullptr;
m_range = 0;
m_rangeCallbacks = nullptr;
m_x = 0.0;
m_xCallbacks = nullptr;
m_y = 0.0;
m_yCallbacks = nullptr;
m_z = 0.0;
m_zCallbacks = nullptr;
}
int32_t SPIAccelerometerData::RegisterActiveCallback(
HAL_NotifyCallback callback, void* param, HAL_Bool initialNotify) {
// Must return -1 on a null callback for error handling
if (callback == nullptr) return -1;
int32_t newUid = 0;
{
std::lock_guard<wpi::mutex> lock(m_registerMutex);
m_activeCallbacks =
RegisterCallback(m_activeCallbacks, "Active", callback, param, &newUid);
}
if (initialNotify) {
// We know that the callback is not null because of earlier null check
HAL_Value value = MakeBoolean(GetActive());
callback("Active", param, &value);
}
return newUid;
}
void SPIAccelerometerData::CancelActiveCallback(int32_t uid) {
m_activeCallbacks = CancelCallback(m_activeCallbacks, uid);
}
void SPIAccelerometerData::InvokeActiveCallback(HAL_Value value) {
InvokeCallback(m_activeCallbacks, "Active", &value);
}
HAL_Bool SPIAccelerometerData::GetActive() { return m_active; }
void SPIAccelerometerData::SetActive(HAL_Bool active) {
HAL_Bool oldValue = m_active.exchange(active);
if (oldValue != active) {
InvokeActiveCallback(MakeBoolean(active));
}
}
int32_t SPIAccelerometerData::RegisterRangeCallback(HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
// Must return -1 on a null callback for error handling
if (callback == nullptr) return -1;
int32_t newUid = 0;
{
std::lock_guard<wpi::mutex> lock(m_registerMutex);
m_rangeCallbacks =
RegisterCallback(m_rangeCallbacks, "Range", callback, param, &newUid);
}
if (initialNotify) {
// We know that the callback is not null because of earlier null check
HAL_Value value = MakeInt(GetRange());
callback("Range", param, &value);
}
return newUid;
}
void SPIAccelerometerData::CancelRangeCallback(int32_t uid) {
m_rangeCallbacks = CancelCallback(m_rangeCallbacks, uid);
}
void SPIAccelerometerData::InvokeRangeCallback(HAL_Value value) {
InvokeCallback(m_rangeCallbacks, "Range", &value);
}
int32_t SPIAccelerometerData::GetRange() { return m_range; }
void SPIAccelerometerData::SetRange(int32_t range) {
int32_t oldValue = m_range.exchange(range);
if (oldValue != range) {
InvokeRangeCallback(MakeInt(range));
}
}
int32_t SPIAccelerometerData::RegisterXCallback(HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
// Must return -1 on a null callback for error handling
if (callback == nullptr) return -1;
int32_t newUid = 0;
{
std::lock_guard<wpi::mutex> lock(m_registerMutex);
m_xCallbacks =
RegisterCallback(m_xCallbacks, "X", callback, param, &newUid);
}
if (initialNotify) {
// We know that the callback is not null because of earlier null check
HAL_Value value = MakeDouble(GetX());
callback("X", param, &value);
}
return newUid;
}
void SPIAccelerometerData::CancelXCallback(int32_t uid) {
m_xCallbacks = CancelCallback(m_xCallbacks, uid);
}
void SPIAccelerometerData::InvokeXCallback(HAL_Value value) {
InvokeCallback(m_xCallbacks, "X", &value);
}
double SPIAccelerometerData::GetX() { return m_x; }
void SPIAccelerometerData::SetX(double x) {
double oldValue = m_x.exchange(x);
if (oldValue != x) {
InvokeXCallback(MakeDouble(x));
}
}
int32_t SPIAccelerometerData::RegisterYCallback(HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
// Must return -1 on a null callback for error handling
if (callback == nullptr) return -1;
int32_t newUid = 0;
{
std::lock_guard<wpi::mutex> lock(m_registerMutex);
m_yCallbacks =
RegisterCallback(m_yCallbacks, "Y", callback, param, &newUid);
}
if (initialNotify) {
// We know that the callback is not null because of earlier null check
HAL_Value value = MakeDouble(GetY());
callback("Y", param, &value);
}
return newUid;
}
void SPIAccelerometerData::CancelYCallback(int32_t uid) {
m_yCallbacks = CancelCallback(m_yCallbacks, uid);
}
void SPIAccelerometerData::InvokeYCallback(HAL_Value value) {
InvokeCallback(m_yCallbacks, "Y", &value);
}
double SPIAccelerometerData::GetY() { return m_y; }
void SPIAccelerometerData::SetY(double y) {
double oldValue = m_y.exchange(y);
if (oldValue != y) {
InvokeYCallback(MakeDouble(y));
}
}
int32_t SPIAccelerometerData::RegisterZCallback(HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
// Must return -1 on a null callback for error handling
if (callback == nullptr) return -1;
int32_t newUid = 0;
{
std::lock_guard<wpi::mutex> lock(m_registerMutex);
m_zCallbacks =
RegisterCallback(m_zCallbacks, "Z", callback, param, &newUid);
}
if (initialNotify) {
// We know that the callback is not null because of earlier null check
HAL_Value value = MakeDouble(GetZ());
callback("Z", param, &value);
}
return newUid;
}
void SPIAccelerometerData::CancelZCallback(int32_t uid) {
m_zCallbacks = CancelCallback(m_zCallbacks, uid);
}
void SPIAccelerometerData::InvokeZCallback(HAL_Value value) {
InvokeCallback(m_zCallbacks, "Z", &value);
}
double SPIAccelerometerData::GetZ() { return m_z; }
void SPIAccelerometerData::SetZ(double z) {
double oldValue = m_z.exchange(z);
if (oldValue != z) {
InvokeZCallback(MakeDouble(z));
}
active.Reset(false);
range.Reset(0);
x.Reset(0.0);
y.Reset(0.0);
z.Reset(0.0);
}
extern "C" {
@@ -218,117 +33,28 @@ void HALSIM_ResetSPIAccelerometerData(int32_t index) {
SimSPIAccelerometerData[index].ResetData();
}
int32_t HALSIM_RegisterSPIAccelerometerActiveCallback(
int32_t index, HAL_NotifyCallback callback, void* param,
HAL_Bool initialNotify) {
return SimSPIAccelerometerData[index].RegisterActiveCallback(callback, param,
initialNotify);
}
#define DEFINE_CAPI(TYPE, CAPINAME, LOWERNAME) \
HAL_SIMDATAVALUE_DEFINE_CAPI(TYPE, HALSIM, SPIAccelerometer##CAPINAME, \
SimSPIAccelerometerData, LOWERNAME)
void HALSIM_CancelSPIAccelerometerActiveCallback(int32_t index, int32_t uid) {
SimSPIAccelerometerData[index].CancelActiveCallback(uid);
}
DEFINE_CAPI(HAL_Bool, Active, active)
DEFINE_CAPI(int32_t, Range, range)
DEFINE_CAPI(double, X, x)
DEFINE_CAPI(double, Y, y)
DEFINE_CAPI(double, Z, z)
HAL_Bool HALSIM_GetSPIAccelerometerActive(int32_t index) {
return SimSPIAccelerometerData[index].GetActive();
}
void HALSIM_SetSPIAccelerometerActive(int32_t index, HAL_Bool active) {
SimSPIAccelerometerData[index].SetActive(active);
}
int32_t HALSIM_RegisterSPIAccelerometerRangeCallback(
int32_t index, HAL_NotifyCallback callback, void* param,
HAL_Bool initialNotify) {
return SimSPIAccelerometerData[index].RegisterRangeCallback(callback, param,
initialNotify);
}
void HALSIM_CancelSPIAccelerometerRangeCallback(int32_t index, int32_t uid) {
SimSPIAccelerometerData[index].CancelRangeCallback(uid);
}
int32_t HALSIM_GetSPIAccelerometerRange(int32_t index) {
return SimSPIAccelerometerData[index].GetRange();
}
void HALSIM_SetSPIAccelerometerRange(int32_t index, int32_t range) {
SimSPIAccelerometerData[index].SetRange(range);
}
int32_t HALSIM_RegisterSPIAccelerometerXCallback(int32_t index,
HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
return SimSPIAccelerometerData[index].RegisterXCallback(callback, param,
initialNotify);
}
void HALSIM_CancelSPIAccelerometerXCallback(int32_t index, int32_t uid) {
SimSPIAccelerometerData[index].CancelXCallback(uid);
}
double HALSIM_GetSPIAccelerometerX(int32_t index) {
return SimSPIAccelerometerData[index].GetX();
}
void HALSIM_SetSPIAccelerometerX(int32_t index, double x) {
SimSPIAccelerometerData[index].SetX(x);
}
int32_t HALSIM_RegisterSPIAccelerometerYCallback(int32_t index,
HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
return SimSPIAccelerometerData[index].RegisterYCallback(callback, param,
initialNotify);
}
void HALSIM_CancelSPIAccelerometerYCallback(int32_t index, int32_t uid) {
SimSPIAccelerometerData[index].CancelYCallback(uid);
}
double HALSIM_GetSPIAccelerometerY(int32_t index) {
return SimSPIAccelerometerData[index].GetY();
}
void HALSIM_SetSPIAccelerometerY(int32_t index, double y) {
SimSPIAccelerometerData[index].SetY(y);
}
int32_t HALSIM_RegisterSPIAccelerometerZCallback(int32_t index,
HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
return SimSPIAccelerometerData[index].RegisterZCallback(callback, param,
initialNotify);
}
void HALSIM_CancelSPIAccelerometerZCallback(int32_t index, int32_t uid) {
SimSPIAccelerometerData[index].CancelZCallback(uid);
}
double HALSIM_GetSPIAccelerometerZ(int32_t index) {
return SimSPIAccelerometerData[index].GetZ();
}
void HALSIM_SetSPIAccelerometerZ(int32_t index, double z) {
SimSPIAccelerometerData[index].SetZ(z);
}
#define REGISTER(NAME) \
SimSPIAccelerometerData[index].NAME.RegisterCallback(callback, param, \
initialNotify)
void HALSIM_RegisterSPIAccelerometerAllCallbcaks(int32_t index,
HAL_NotifyCallback callback,
void* param,
HAL_Bool initialNotify) {
SimSPIAccelerometerData[index].RegisterActiveCallback(callback, param,
initialNotify);
SimSPIAccelerometerData[index].RegisterRangeCallback(callback, param,
initialNotify);
SimSPIAccelerometerData[index].RegisterXCallback(callback, param,
initialNotify);
SimSPIAccelerometerData[index].RegisterYCallback(callback, param,
initialNotify);
SimSPIAccelerometerData[index].RegisterZCallback(callback, param,
initialNotify);
REGISTER(active);
REGISTER(range);
REGISTER(x);
REGISTER(y);
REGISTER(z);
}
} // extern "C"