15 #include <wpi/mutex.h>
17 #include "HandlesInternal.h"
18 #include "hal/Types.h"
32 template <
typename THandle,
typename TStruct, int16_t
size,
35 friend class LimitedHandleResourceTest;
43 std::shared_ptr<TStruct> Get(THandle handle);
44 void Free(THandle handle);
45 void ResetHandles()
override;
48 std::array<std::shared_ptr<TStruct>, size> m_structures;
49 std::array<wpi::mutex, size> m_handleMutexes;
50 wpi::mutex m_allocateMutex;
53 template <
typename THandle,
typename TStruct, int16_t size,
57 std::scoped_lock lock(m_allocateMutex);
58 for (int16_t i = 0; i < size; i++) {
59 if (m_structures[i] ==
nullptr) {
62 std::scoped_lock lock(m_handleMutexes[i]);
63 m_structures[i] = std::make_shared<TStruct>();
64 return static_cast<THandle>(
createHandle(i, enumValue, m_version));
67 return HAL_kInvalidHandle;
70 template <
typename THandle,
typename TStruct, int16_t
size,
72 std::shared_ptr<TStruct>
73 LimitedHandleResource<THandle, TStruct, size, enumValue>::Get(THandle handle) {
76 if (index < 0 || index >= size) {
79 std::scoped_lock lock(m_handleMutexes[index]);
82 return m_structures[index];
85 template <
typename THandle,
typename TStruct, int16_t
size,
87 void LimitedHandleResource<THandle, TStruct, size, enumValue>::Free(
91 if (index < 0 || index >= size)
return;
93 std::scoped_lock allocateLock(m_allocateMutex);
94 std::scoped_lock handleLock(m_handleMutexes[index]);
95 m_structures[index].reset();
98 template <
typename THandle,
typename TStruct, int16_t
size,
100 void LimitedHandleResource<THandle, TStruct, size, enumValue>::ResetHandles() {
102 std::scoped_lock allocateLock(m_allocateMutex);
103 for (
int i = 0; i <
size; i++) {
104 std::scoped_lock handleLock(m_handleMutexes[i]);
105 m_structures[i].reset();
108 HandleBase::ResetHandles();