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fixed perfect forwarding for the memory pool

pull/966/head
brain5lug 7 years ago
parent
commit
8c8127dda6
  1. 4
      libi2pd/Streaming.h
  2. 20
      libi2pd/util.h

4
libi2pd/Streaming.h

@ -276,8 +276,8 @@ namespace stream @@ -276,8 +276,8 @@ namespace stream
/** set max connections per minute per destination */
void SetMaxConnsPerMinute(const uint32_t conns);
Packet * NewPacket () { return m_PacketsPool.Acquire (); };
void DeletePacket (Packet * p) { if (p) m_PacketsPool.Release (p); };
Packet * NewPacket () { return m_PacketsPool.Acquire (); }
void DeletePacket (Packet * p) { m_PacketsPool.Release (p); }
private:

20
libi2pd/util.h

@ -5,6 +5,7 @@ @@ -5,6 +5,7 @@
#include <functional>
#include <memory>
#include <mutex>
#include <utility>
#include <boost/asio.hpp>
#ifdef ANDROID
@ -14,7 +15,7 @@ namespace std @@ -14,7 +15,7 @@ namespace std
template <typename T>
std::string to_string(T value)
{
return boost::lexical_cast<std::string>(value);
return boost::lexical_cast<std::string>(value);
}
inline int stoi(const std::string& str)
@ -34,7 +35,7 @@ namespace util @@ -34,7 +35,7 @@ namespace util
{
public:
MemoryPool (): m_Head (nullptr) {};
MemoryPool (): m_Head (nullptr) {}
~MemoryPool ()
{
while (m_Head)
@ -48,12 +49,12 @@ namespace util @@ -48,12 +49,12 @@ namespace util
template<typename... TArgs>
T * Acquire (TArgs&&... args)
{
if (!m_Head) return new T(args...);
if (!m_Head) return new T(std::forward<TArgs>(args)...);
else
{
auto tmp = m_Head;
m_Head = static_cast<T*>(*(void * *)m_Head); // next
return new (tmp)T(args...);
return new (tmp)T(std::forward<TArgs>(args)...);
}
}
@ -68,14 +69,15 @@ namespace util @@ -68,14 +69,15 @@ namespace util
template<typename... TArgs>
std::unique_ptr<T, std::function<void(T*)> > AcquireUnique (TArgs&&... args)
{
return std::unique_ptr<T, std::function<void(T*)> >(Acquire (args...),
return std::unique_ptr<T, std::function<void(T*)> >(Acquire (std::forward<TArgs>(args)...),
std::bind (&MemoryPool<T>::Release, this, std::placeholders::_1));
}
template<typename... TArgs>
std::shared_ptr<T> AcquireShared (TArgs&&... args)
{
return std::shared_ptr<T>(Acquire (args...), std::bind (&MemoryPool<T>::Release, this, std::placeholders::_1));
return std::shared_ptr<T>(Acquire (std::forward<TArgs>(args)...),
std::bind (&MemoryPool<T>::Release, this, std::placeholders::_1));
}
protected:
@ -88,13 +90,13 @@ namespace util @@ -88,13 +90,13 @@ namespace util
{
public:
MemoryPoolMt () {};
MemoryPoolMt () {}
template<typename... TArgs>
T * AcquireMt (TArgs&&... args)
{
if (!this->m_Head) return new T(args...);
if (!this->m_Head) return new T(std::forward<TArgs>(args)...);
std::lock_guard<std::mutex> l(m_Mutex);
return this->Acquire (args...);
return this->Acquire (std::forward<TArgs>(args)...);
}
void ReleaseMt (T * t)

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