summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/base.h59
-rw-r--r--include/extensible.h2
-rw-r--r--include/inspsocket.h4
-rw-r--r--include/modules.h4
4 files changed, 28 insertions, 41 deletions
diff --git a/include/base.h b/include/base.h
index b39c7d077..bc096b85b 100644
--- a/include/base.h
+++ b/include/base.h
@@ -81,35 +81,46 @@ class CoreExport refcountbase
refcountbase();
virtual ~refcountbase();
inline unsigned int GetReferenceCount() const { return refcount; }
- friend class reference_base;
void* operator new(size_t);
void operator delete(void*);
+ inline void refcount_inc() const { refcount++; }
+ inline bool refcount_dec() const { refcount--; return !refcount; }
private:
// uncopyable
refcountbase(const refcountbase&);
void operator=(const refcountbase&);
};
-class CoreExport reference_base
+/** Base class for use count tracking. Uses reference<>, but does not
+ * cause object deletion when the last user is removed.
+ */
+class CoreExport usecountbase
{
- protected:
- template<typename T> static inline unsigned int inc(T* v) { return ++(v->refcount); }
- template<typename T> static inline unsigned int dec(T* v) { return --(v->refcount); }
-
+ mutable unsigned int usecount;
+ public:
+ usecountbase() : usecount(0) { }
+ ~usecountbase();
+ inline unsigned int GetUseCount() const { return usecount; }
+ inline void refcount_inc() const { usecount++; }
+ inline bool refcount_dec() const { usecount--; return false; }
+ private:
+ // uncopyable
+ usecountbase(const usecountbase&);
+ void operator=(const usecountbase&);
};
template <typename T>
-class reference : public reference_base
+class reference
{
T* value;
public:
reference() : value(0) { }
- reference(T* v) : value(v) { if (value) inc(value); }
- reference(const reference<T>& v) : value(v.value) { if (value) inc(value); }
+ reference(T* v) : value(v) { if (value) value->refcount_inc(); }
+ reference(const reference<T>& v) : value(v.value) { if (value) value->refcount_inc(); }
reference<T>& operator=(const reference<T>& other)
{
if (other.value)
- inc(other.value);
+ other.value->refcount_inc();
this->reference::~reference();
value = other.value;
return *this;
@@ -117,12 +128,8 @@ class reference : public reference_base
~reference()
{
- if (value)
- {
- int rc = dec(value);
- if (rc == 0)
- delete value;
- }
+ if (value && value->refcount_dec())
+ delete value;
}
inline operator bool() const { return value; }
inline operator T*() const { return value; }
@@ -130,8 +137,6 @@ class reference : public reference_base
inline T& operator*() const { return *value; }
inline bool operator<(const reference<T>& other) const { return value < other.value; }
inline bool operator>(const reference<T>& other) const { return value > other.value; }
- inline bool operator==(const reference<T>& other) const { return value == other.value; }
- inline bool operator!=(const reference<T>& other) const { return value != other.value; }
private:
void* operator new(size_t);
void operator delete(void*);
@@ -190,22 +195,6 @@ class CoreExport ModuleException : public CoreException
ModuleException(const std::string &message, Module* me = NULL);
};
-/** Module reference, similar to reference<Module>
- */
-class CoreExport ModuleRef : public reference_base
-{
- Module* const value;
- public:
- ModuleRef(Module* v);
- ~ModuleRef();
- inline operator Module*() const { return value; }
- inline Module* operator->() const { return value; }
- inline Module& operator*() const { return *value; }
- private:
- ModuleRef(const ModuleRef&);
- void operator=(const ModuleRef&);
- void* operator new(size_t);
- void operator delete(void*);
-};
+typedef const reference<Module> ModuleRef;
#endif
diff --git a/include/extensible.h b/include/extensible.h
index 81859b1c8..487b67408 100644
--- a/include/extensible.h
+++ b/include/extensible.h
@@ -12,7 +12,7 @@ enum SerializeFormat
/** Class represnting an extension of some object
*/
-class CoreExport ExtensionItem : public refcountbase
+class CoreExport ExtensionItem : public usecountbase
{
public:
const std::string key;
diff --git a/include/inspsocket.h b/include/inspsocket.h
index 3e5c75235..8172338ac 100644
--- a/include/inspsocket.h
+++ b/include/inspsocket.h
@@ -94,7 +94,7 @@ class CoreExport SocketTimeout : public Timer
class CoreExport StreamSocket : public EventHandler
{
/** Module that handles raw I/O for this socket, or NULL */
- Module *IOHook;
+ reference<Module> IOHook;
/** Private send queue. Note that individual strings may be shared
*/
std::deque<std::string> sendq;
@@ -105,7 +105,7 @@ class CoreExport StreamSocket : public EventHandler
protected:
std::string recvq;
public:
- StreamSocket() : IOHook(NULL), sendq_len(0) {}
+ StreamSocket() : sendq_len(0) {}
inline Module* GetIOHook() { return IOHook; }
inline void AddIOHook(Module* m) { IOHook = m; }
inline void DelIOHook() { IOHook = NULL; }
diff --git a/include/modules.h b/include/modules.h
index 8bda9a725..26c4ef466 100644
--- a/include/modules.h
+++ b/include/modules.h
@@ -298,10 +298,8 @@ enum Implementation
* its methods will be called when irc server events occur. class inherited from module must be
* instantiated by the ModuleFactory class (see relevent section) for the module to be initialised.
*/
-class CoreExport Module : public classbase
+class CoreExport Module : public classbase, public usecountbase
{
- unsigned int refcount;
- friend class reference_base;
public:
/** File that this module was loaded from
*/