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