You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
4.1 KiB
114 lines
4.1 KiB
/**************************************************************************** |
|
* 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 */
|
|
|