ProcessorThreadAllocator.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _PROCESSOR_THREAD_ALLOCATOR_H
#define _PROCESSOR_THREAD_ALLOCATOR_H

#include "pedigree/kernel/process/Thread.h"
#include "pedigree/kernel/processor/state_forward.h"

class ThreadToCoreAllocationAlgorithm;

class ProcessorThreadAllocator
{
  public:
    ProcessorThreadAllocator();
    virtual ~ProcessorThreadAllocator();

    static ProcessorThreadAllocator &instance()
    {
        return m_Instance;
    }

    void addThread(
        Thread *pThread, Thread::ThreadStartFunc pStartFunction, void *pParam,
        bool bUsermode, void *pStack);

    void addThread(Thread *pThread, SyscallState &state);

    void threadRemoved(Thread *pThread);

    inline void setAlgorithm(ThreadToCoreAllocationAlgorithm *pAlgorithm)
    {
        m_pAlgorithm = pAlgorithm;
    }

  private:
    ThreadToCoreAllocationAlgorithm *m_pAlgorithm;

    static ProcessorThreadAllocator m_Instance;
};

#endif