/*

 * Copyright (c) 2020 Red Hat, Inc.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 * 

 * This program 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 General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA. 

 *

 * $Id: //eng/vdo-releases/aluminum/src/c++/vdo/kernel/threadDevice.c#1 $

 */

#include "threadDevice.h"

#include "threadRegistry.h"

/*

 * A registry of all threads temporarily associated with particular

 * VDO devices.

 */

static ThreadRegistry deviceIDThreadRegistry;

/**********************************************************************/

void registerThreadDeviceID(RegisteredThread *newThread, unsigned int *idPtr)

{

  registerThread(&deviceIDThreadRegistry, newThread, idPtr);

}

/**********************************************************************/

void unregisterThreadDeviceID(void)

{

  unregisterThread(&deviceIDThreadRegistry);

}

/**********************************************************************/

int getThreadDeviceID(void)

{

  const unsigned int *pointer = lookupThread(&deviceIDThreadRegistry);

  return pointer ? *pointer : -1;

}

/**********************************************************************/

void initializeThreadDeviceRegistry(void)

{

  initializeThreadRegistry(&deviceIDThreadRegistry);

}