323ce02f23
This change has been done to make it easier for OpenSceneGraph users to check out the svn via https without any conflicts introduced with a http externals.
94 lines
2.1 KiB
C++
94 lines
2.1 KiB
C++
/* -*-c++-*- OpenThreads library, Copyright (C) 2002 - 2007 The Open Thread Group
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
|
|
|
|
//
|
|
// Condition - C++ condition class
|
|
// ~~~~~~~~~
|
|
//
|
|
|
|
#ifndef _OPENTHREADS_CONDITION_
|
|
#define _OPENTHREADS_CONDITION_
|
|
|
|
#include <OpenThreads/Exports>
|
|
#include <OpenThreads/Mutex>
|
|
|
|
namespace OpenThreads {
|
|
|
|
/**
|
|
* @class Condition
|
|
* @brief This class provides an object-oriented thread condition interface.
|
|
*/
|
|
class OPENTHREAD_EXPORT_DIRECTIVE Condition {
|
|
|
|
public:
|
|
|
|
/**
|
|
* Constructor
|
|
*/
|
|
Condition();
|
|
|
|
/**
|
|
* Destructor
|
|
*/
|
|
virtual ~Condition();
|
|
|
|
/**
|
|
* Wait on a mutex.
|
|
*/
|
|
virtual int wait(Mutex *mutex);
|
|
|
|
/**
|
|
* Wait on a mutex for a given amount of time (ms)
|
|
*
|
|
* @return 0 if normal, -1 if errno set, errno code otherwise.
|
|
*/
|
|
virtual int wait(Mutex *mutex, unsigned long int ms);
|
|
|
|
/**
|
|
* Signal a SINGLE thread to wake if it's waiting.
|
|
*
|
|
* @return 0 if normal, -1 if errno set, errno code otherwise.
|
|
*/
|
|
virtual int signal();
|
|
|
|
/**
|
|
* Wake all threads waiting on this condition.
|
|
*
|
|
* @return 0 if normal, -1 if errno set, errno code otherwise.
|
|
*/
|
|
virtual int broadcast();
|
|
|
|
private:
|
|
|
|
/**
|
|
* Private copy constructor, to prevent tampering.
|
|
*/
|
|
Condition(const Condition &/*c*/) {};
|
|
|
|
/**
|
|
* Private copy assignment, to prevent tampering.
|
|
*/
|
|
Condition &operator=(const Condition &/*c*/) {return *(this);};
|
|
|
|
/**
|
|
* Implementation-specific data
|
|
*/
|
|
void *_prvData;
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif // !_OPENTHREADS_CONDITION_
|