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[hal] Add HAL_Shutdown and simulation shutdown callbacks

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This is useful for clean shutdown of simulation extensions.
This commit is contained in:
Peter Johnson
2020-09-04 08:59:26 -07:00
parent 0365557b25
commit f1b1bdb121
8 changed files with 65 additions and 0 deletions
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21
hal/src/main/native/sim/HAL.cpp
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@@ -7,8 +7,11 @@
#include "hal/HAL.h"
#include <vector>
#include <wpi/mutex.h>
#include <wpi/raw_ostream.h>
#include <wpi/spinlock.h>
#ifdef _WIN32
#include <Windows.h>
@@ -28,6 +31,8 @@
using namespace hal;
static HAL_RuntimeType runtimeType{HAL_Mock};
static wpi::spinlock gOnShutdownMutex;
static std::vector<std::pair<void*, void (*)(void*)>> gOnShutdown;
namespace hal {
namespace init {
@@ -312,6 +317,22 @@ HAL_Bool HAL_Initialize(int32_t timeout, int32_t mode) {
return true; // Add initialization if we need to at a later point
}
void HAL_Shutdown(void) {
std::vector<std::pair<void*, void (*)(void*)>> funcs;
{
std::scoped_lock lock(gOnShutdownMutex);
funcs.swap(gOnShutdown);
}
for (auto&& func : funcs) {
func.second(func.first);
}
}
void HAL_OnShutdown(void* param, void (*func)(void*)) {
std::scoped_lock lock(gOnShutdownMutex);
gOnShutdown.emplace_back(param, func);
}
int64_t HAL_Report(int32_t resource, int32_t instanceNumber, int32_t context,
const char* feature) {
return 0; // Do nothing for now