/usr/include/crystalspace-2.0/csutil/threadjobqueue.h is in libcrystalspace-dev 2.0+dfsg-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 | /*
Copyright (C) 2005 by Jorrit Tyberghein
(C) 2005 by Frank Richter
(C) 2009 by Marten Svanfeldt
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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 GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CS_CSUTIL_THREADJOBQUEUE_H__
#define __CS_CSUTIL_THREADJOBQUEUE_H__
/**\file
* Implementation of iJobQueue that lets the jobs run in a thread.
*/
#include "csextern.h"
#include "csutil/fifo.h"
#include "csutil/scf_implementation.h"
#include "csutil/csstring.h"
#include "iutil/job.h"
#include "csutil/threading/condition.h"
#include "csutil/threading/mutex.h"
#include "csutil/threading/thread.h"
namespace CS
{
namespace Threading
{
class CS_CRYSTALSPACE_EXPORT ThreadedJobQueue :
public scfImplementation1<ThreadedJobQueue, iJobQueue>
{
public:
/**
* Construct job queue.
* \param numWorkers Number of worker threads to use.
* \param priority Priority of worker threads.
* \param name Optional name of the queue.
* Used in worker thread naming and shows up in the debugger,
* if supported.
*/
ThreadedJobQueue (size_t numWorkers = 1, ThreadPriority priority = THREAD_PRIO_NORMAL,
const char* name = 0);
virtual ~ThreadedJobQueue ();
virtual void Enqueue (iJob* job);
virtual JobStatus Dequeue (iJob* job, bool waitForCompletion);
virtual JobStatus PullAndRun (iJob* job, bool waitForCompletion = true);
virtual bool IsFinished ();
virtual int32 GetQueueCount();
virtual void WaitAll ();
/// Get name of this queue
const char* GetName () const { return name; }
private:
bool PullFromQueues (iJob* job);
JobStatus CheckCompletion (iJob* job, bool waitForCompletion);
// Runnable
struct ThreadState;
class QueueRunnable : public Runnable
{
public:
QueueRunnable (ThreadedJobQueue* queue, ThreadState* ts, unsigned int id);
virtual void Run ();
virtual const char* GetName () const;
private:
friend class ThreadedJobQueue;
ThreadedJobQueue* ownerQueue;
int32 shutdownQueue;
csRef<ThreadState> threadState;
csString name;
};
// Per thread state
struct ThreadState : public CS::Utility::AtomicRefCount
{
ThreadState (ThreadedJobQueue* queue, unsigned int id)
{
runnable.AttachNew (new QueueRunnable (queue, this, id));
threadObject.AttachNew (new Thread (runnable, false));
}
csRef<QueueRunnable> runnable;
csRef<Thread> threadObject;
csRef<iJob> currentJob;
//
Mutex tsMutex;
Condition tsNewJob;
Condition tsJobFinished;
csFIFO<csRef<iJob> > jobQueue;
};
csRef<ThreadState>* allThreadState;
ThreadGroup allThreads;
Mutex finishMutex;
size_t numWorkerThreads;
int32 outstandingJobs;
csString name;
};
}
}
typedef CS::Threading::ThreadedJobQueue csThreadJobQueue;
#endif // __CS_CSUTIL_THREADJOBQUEUE_H__
|