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IdManager funcs added: idm::import, idm::withdraw

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This commit is contained in:
Nekotekina 2015-08-08 00:28:09 +03:00
parent 8b3c250702
commit 94d1488259
1 changed files with 43 additions and 0 deletions
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43
rpcs3/Emu/IdManager.h
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@ -108,6 +108,27 @@ namespace idm
throw EXCEPTION("Out of IDs");
}
// add new ID for an existing object provided (don't use for initial object creation)
template<typename T> u32 import(const std::shared_ptr<T>& ptr)
{
extern std::mutex g_id_mutex;
extern std::unordered_map<u32, ID_data_t> g_id_map;
extern u32 g_cur_id;
std::lock_guard<std::mutex> lock(g_id_mutex);
if (const u32 id = g_cur_id & 0x7fffffff)
{
g_id_map.emplace(id, ID_data_t(ptr));
g_cur_id = id + 1;
return id;
}
throw EXCEPTION("Out of IDs");
}
// get ID of specified type
template<typename T> std::shared_ptr<T> get(u32 id)
{
@ -169,6 +190,28 @@ namespace idm
return true;
}
// remove ID created with type T and return the object
template<typename T> std::shared_ptr<T> withdraw(u32 id)
{
extern std::mutex g_id_mutex;
extern std::unordered_map<u32, ID_data_t> g_id_map;
std::lock_guard<std::mutex> lock(g_id_mutex);
const auto found = g_id_map.find(id);
if (found == g_id_map.end() || found->second.info != typeid(T))
{
return nullptr;
}
auto ptr = std::static_pointer_cast<T>(found->second.data);
g_id_map.erase(found);
return ptr;
}
template<typename T> u32 get_count()
{
extern std::mutex g_id_mutex;