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-/****************************************************************************
- * sched/work_internal.h
- *
- * Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * 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_WORK_INTERNAL_H
-#define __SCHED_WORK_INTERNAL_H
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <nuttx/config.h>
-#include <queue.h>
-
-#ifdef CONFIG_SCHED_WORKQUEUE
-
-/****************************************************************************
- * Pre-Processor Definitions
- ****************************************************************************/
-
-/* Configuration ************************************************************/
-
-#ifdef CONFIG_DISABLE_SIGNALS
-# warning "Worker thread support requires signals"
-#endif
-
-#ifdef CONFIG_SCHED_LPWORK
-# define NWORKERS 2
-#else
-# define NWORKERS 1
-#endif
-
-/****************************************************************************
- * Public Types
- ****************************************************************************/
-
-#ifndef __ASSEMBLY__
-
-/* This structure defines the state on one work queue */
-
-struct wqueue_s
-{
- pid_t pid; /* The task ID of the worker thread */
- struct dq_queue_s q; /* The queue of pending work */
-};
-
-/****************************************************************************
- * Public Data
- ****************************************************************************/
-
-/* The state of each work queue */
-
-extern struct wqueue_s g_work[NWORKERS];
-
-/****************************************************************************
- * Public Function Prototypes
- ****************************************************************************/
-
-/****************************************************************************
- * Name: work_hpthread and work_lpthread
- *
- * Description:
- * These are the main worker threads that performs actions placed on the
- * work lists. One thread also performs periodic garbage collection (that
- * is performed by the idle thread if CONFIG_SCHED_WORKQUEUE is not defined).
- *
- * Input parameters:
- * argc, argv (not used)
- *
- * Returned Value:
- * Does not return
- *
- ****************************************************************************/
-
-int work_hpthread(int argc, char *argv[]);
-
-#ifdef CONFIG_SCHED_LPWORK
-int work_lpthread(int argc, char *argv[]);
-#endif
-
-#endif /* __ASSEMBLY__ */
-#endif /* CONFIG_SCHED_WORKQUEUE */
-#endif /* __SCHED_WORK_INTERNAL_H */