mirror of
https://github.com/VCMP-SqMod/SqMod.git
synced 2024-11-14 19:57:17 +01:00
4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
132 lines
2.5 KiB
C++
132 lines
2.5 KiB
C++
//
|
|
// SynchronizedObject.h
|
|
//
|
|
// Library: Foundation
|
|
// Package: Threading
|
|
// Module: SynchronizedObject
|
|
//
|
|
// Definition of the SynchronizedObject class.
|
|
//
|
|
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
|
|
// and Contributors.
|
|
//
|
|
// SPDX-License-Identifier: BSL-1.0
|
|
//
|
|
|
|
|
|
#ifndef Foundation_SynchronizedObject_INCLUDED
|
|
#define Foundation_SynchronizedObject_INCLUDED
|
|
|
|
|
|
#include "Poco/Foundation.h"
|
|
#include "Poco/Mutex.h"
|
|
#include "Poco/Event.h"
|
|
|
|
|
|
namespace Poco {
|
|
|
|
|
|
class Foundation_API SynchronizedObject
|
|
/// This class aggregates a Mutex and an Event
|
|
/// and can act as a base class for all objects
|
|
/// requiring synchronization in a multithreaded
|
|
/// scenario.
|
|
{
|
|
public:
|
|
using ScopedLock = Poco::ScopedLock<SynchronizedObject>;
|
|
|
|
SynchronizedObject();
|
|
/// Creates the object.
|
|
|
|
virtual ~SynchronizedObject();
|
|
/// Destroys the object.
|
|
|
|
void lock() const;
|
|
/// Locks the object. Blocks if the object
|
|
/// is locked by another thread.
|
|
|
|
bool tryLock() const;
|
|
/// Tries to lock the object. Returns false immediately
|
|
/// if the object is already locked by another thread
|
|
/// Returns true if the object was successfully locked.
|
|
|
|
void unlock() const;
|
|
/// Unlocks the object so that it can be locked by
|
|
/// other threads.
|
|
|
|
void notify() const;
|
|
/// Signals the object.
|
|
/// Exactly only one thread waiting for the object
|
|
/// can resume execution.
|
|
|
|
void wait() const;
|
|
/// Waits for the object to become signalled.
|
|
|
|
void wait(long milliseconds) const;
|
|
/// Waits for the object to become signalled.
|
|
/// Throws a TimeoutException if the object
|
|
/// does not become signalled within the specified
|
|
/// time interval.
|
|
|
|
bool tryWait(long milliseconds) const;
|
|
/// Waits for the object to become signalled.
|
|
/// Returns true if the object
|
|
/// became signalled within the specified
|
|
/// time interval, false otherwise.
|
|
|
|
private:
|
|
mutable Mutex _mutex;
|
|
mutable Event _event;
|
|
};
|
|
|
|
|
|
//
|
|
// inlines
|
|
//
|
|
inline void SynchronizedObject::lock() const
|
|
{
|
|
_mutex.lock();
|
|
}
|
|
|
|
|
|
inline bool SynchronizedObject::tryLock() const
|
|
{
|
|
return _mutex.tryLock();
|
|
}
|
|
|
|
|
|
inline void SynchronizedObject::unlock() const
|
|
{
|
|
_mutex.unlock();
|
|
}
|
|
|
|
|
|
inline void SynchronizedObject::notify() const
|
|
{
|
|
_event.set();
|
|
}
|
|
|
|
|
|
inline void SynchronizedObject::wait() const
|
|
{
|
|
_event.wait();
|
|
}
|
|
|
|
|
|
inline void SynchronizedObject::wait(long milliseconds) const
|
|
{
|
|
_event.wait(milliseconds);
|
|
}
|
|
|
|
|
|
inline bool SynchronizedObject::tryWait(long milliseconds) const
|
|
{
|
|
return _event.tryWait(milliseconds);
|
|
}
|
|
|
|
|
|
} // namespace Poco
|
|
|
|
|
|
#endif // Foundation_SynchronizedObject_INCLUDED
|