/****************************************************************************
* sched/pg_internal.h
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __SCHED_PG_INTERNAL_H
#define __SCHED_PG_INTERNAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <queue.h>
#ifdef CONFIG_PAGING
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_PAGING_WORKPRIORITY
# define CONFIG_PAGING_WORKPRIORITY 50
#endif
#ifndef CONFIG_PAGING_WORKSTACKSIZE
# define CONFIG_PAGING_WORKSTACKSIZE CONFIG_IDLETHREAD_STACKSIZE
#endif
#ifdef CONFIG_DISABLE_SIGNALS
# warning "Page fill support requires signals"
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
#ifndef __ASSEMBLY
/* If is the PID of the page fill worker thread */
extern pid_t g_pgworker;
/* If non-NULL, this points to the TCB of the task currently being filled */
extern FAR _TCB *g_filltcb;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: pg_worker
*
* Description:
* This is the entry point of the worker thread that performs the actual
* page file.
*
* Input parameters:
* argc, argv (not used)
*
* Returned Value:
* Does not return
*
****************************************************************************/
extern int pg_worker(int argc, char *argv[]);
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_PAGING */
#endif /* __SCHED_PG_INTERNAL_H */
