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Repartition work queue code. Move kernel-specific parts from libc/wqueue to sched/wqueue

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This commit is contained in:
Gregory Nutt 2014-10-10 06:22:51 -06:00
parent a1322602b3
commit 6220256a09
10 changed files with 523 additions and 152 deletions
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42
include/nuttx/wqueue.h
View File

@ -366,24 +366,34 @@ EXTERN struct wqueue_s g_work[NWORKERS];
****************************************************************************/
/****************************************************************************
* Name: work_hpthread, work_lpthread, and work_usrthread
* Name: work_process
*
* Description:
* These are the worker threads that performs actions placed on the work
* lists.
* This is the logic that performs actions placed on any work list. This
* logic is the common underlying logic to all work queues. This logic is
* part of the internal implementation of each work queue; it should not
* be called from application level logic.
*
* work_hpthread and work_lpthread: These are the kernel mode work queues
* (also build in the flat build). One of these threads also performs
* periodic garbage collection (that is otherwise performed by the idle
* thread if CONFIG_SCHED_WORKQUEUE is not defined).
* Input parameters:
* wqueue - Describes the work queue to be processed
*
* These worker threads are started by the OS during normal bringup.
* Returned Value:
* None
*
* work_usrthread: This is a user mode work queue. It must be started
* by application code by calling work_usrstart().
****************************************************************************/
void work_process(FAR struct wqueue_s *wqueue);
/****************************************************************************
* Name: work_usrthread
*
* All of these entrypoints are referenced by OS internally and should not
* not be accessed by application logic.
* Description:
* This is the worker thread that performs the actions placed on the user
* work queue.
*
* This is a user mode work queue. It must be used by applications for
* miscellaneous operations. The user work thread must be started by
* application start-up logic by calling work_usrstart().
*
* Input parameters:
* argc, argv (not used)
@ -393,14 +403,6 @@ EXTERN struct wqueue_s g_work[NWORKERS];
*
****************************************************************************/
#ifdef CONFIG_SCHED_HPWORK
int work_hpthread(int argc, char *argv[]);
#endif
#ifdef CONFIG_SCHED_LPWORK
int work_lpthread(int argc, char *argv[]);
#endif
#if defined(CONFIG_SCHED_USRWORK) && !defined(__KERNEL__)
int work_usrthread(int argc, char *argv[]);
#endif

8
libc/wqueue/Make.defs
View File

@ -37,10 +37,14 @@ ifeq ($(CONFIG_SCHED_WORKQUEUE),y)
# Add the work queue C files to the build
CSRCS += work_thread.c work_queue.c work_cancel.c work_signal.c
CSRCS += work_process.c work_queue.c work_cancel.c work_signal.c
ifeq ($(CONFIG_BUILD_PROTECTED),y)
CSRCS += work_usrstart.c
CSRCS += work_usrstart.c work_usrthread.c
else
ifeq ($(CONFIG_BUILD_KERNEL),y)
CSRCS += work_usrstart.c work_usrthread.c
endif
endif
# Add the wqueue directory to the build

141
libc/wqueue/work_thread.c → libc/wqueue/work_process.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* libc/wqueue/work_thread.c
* libc/wqueue/work_process.c
*
* Copyright (C) 2009-2013 Gregory Nutt. All rights reserved.
* Copyright (C) 2009-2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -42,14 +42,11 @@
#include <stdint.h>
#include <unistd.h>
#include <queue.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/arch.h>
#include <nuttx/wqueue.h>
#include <nuttx/clock.h>
#include <nuttx/kmalloc.h>
#include <nuttx/wqueue.h>
#include <arch/irq.h>
#ifdef CONFIG_SCHED_WORKQUEUE
@ -62,7 +59,7 @@
****************************************************************************/
/****************************************************************************
* Public Variables
* Public Data
****************************************************************************/
/* The state of each work queue. */
@ -90,18 +87,25 @@ struct wqueue_s g_work[NWORKERS];
#endif /* CONFIG_BUILD_PROTECTED */
/****************************************************************************
* Private Variables
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: work_process
*
* Description:
* This is the logic that performs actions placed on any work list.
* This is the logic that performs actions placed on any work list. This
* logic is the common underlying logic to all work queues. This logic is
* part of the internal implementation of each work queue; it should not
* be called from application level logic.
*
* Input parameters:
* wqueue - Describes the work queue to be processed
@ -111,7 +115,7 @@ struct wqueue_s g_work[NWORKERS];
*
****************************************************************************/
static void work_process(FAR struct wqueue_s *wqueue)
void work_process(FAR struct wqueue_s *wqueue)
{
volatile FAR struct work_s *work;
worker_t worker;
@ -215,117 +219,4 @@ static void work_process(FAR struct wqueue_s *wqueue)
irqrestore(flags);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: work_hpthread, work_lpthread, and work_usrthread
*
* Description:
* These are the worker threads that performs actions placed on the work
* lists.
*
* work_hpthread and work_lpthread: These are the kernel mode work queues
* (also build in the flat build). One of these threads also performs
* periodic garbage collection (that is otherwise performed by the idle
* thread if CONFIG_SCHED_WORKQUEUE is not defined).
*
* These worker threads are started by the OS during normal bringup.
*
* work_usrthread: This is a user mode work queue. It must be built into
* the application blob during the user phase of a kernel build. The
* user work thread will then automatically be started when the system
* boots by calling through the pointer found in the header on the user
* space blob.
*
* All of these entrypoints are referenced by OS internally and should not
* not be accessed by application logic.
*
* Input parameters:
* argc, argv (not used)
*
* Returned Value:
* Does not return
*
****************************************************************************/
#if defined(CONFIG_SCHED_HPWORK)
int work_hpthread(int argc, char *argv[])
{
/* Loop forever */
for (;;)
{
/* First, perform garbage collection. This cleans-up memory de-allocations
* that were queued because they could not be freed in that execution
* context (for example, if the memory was freed from an interrupt handler).
* NOTE: If the work thread is disabled, this clean-up is performed by
* the IDLE thread (at a very, very low priority).
*/
#ifndef CONFIG_SCHED_LPWORK
sched_garbagecollection();
#endif
/* Then process queued work. We need to keep interrupts disabled while
* we process items in the work list.
*/
work_process(&g_work[HPWORK]);
}
return OK; /* To keep some compilers happy */
}
#ifdef CONFIG_SCHED_LPWORK
int work_lpthread(int argc, char *argv[])
{
/* Loop forever */
for (;;)
{
/* First, perform garbage collection. This cleans-up memory de-allocations
* that were queued because they could not be freed in that execution
* context (for example, if the memory was freed from an interrupt handler).
* NOTE: If the work thread is disabled, this clean-up is performed by
* the IDLE thread (at a very, very low priority).
*/
sched_garbagecollection();
/* Then process queued work. We need to keep interrupts disabled while
* we process items in the work list.
*/
work_process(&g_work[LPWORK]);
}
return OK; /* To keep some compilers happy */
}
#endif /* CONFIG_SCHED_LPWORK */
#endif /* CONFIG_SCHED_HPWORK */
#if defined(CONFIG_SCHED_USRWORK) && !defined(__KERNEL__)
int work_usrthread(int argc, char *argv[])
{
/* Loop forever */
for (;;)
{
/* Then process queued work. We need to keep interrupts disabled while
* we process items in the work list.
*/
work_process(&g_work[USRWORK]);
}
return OK; /* To keep some compilers happy */
}
#endif /* CONFIG_SCHED_USRWORK */
#endif /* CONFIG_SCHED_WORKQUEUE */

102
libc/wqueue/work_usrthread.c Normal file
View File

@ -0,0 +1,102 @@
/****************************************************************************
* libc/wqueue/work_usrthread.c
*
* Copyright (C) 2009-2014 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/wqueue.h>
#if defined(CONFIG_SCHED_WORKQUEUE) && defined(CONFIG_SCHED_USRWORK) && \
!defined(__KERNEL__)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Type Declarations
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: work_usrthread
*
* Description:
* This is the worker thread that performs the actions placed on the user
* work queue.
*
* This is a user mode work queue. It must be used by applications for
* miscellaneous operations. The user work thread must be started by
* application start-up logic by calling work_usrstart().
*
* Input parameters:
* argc, argv (not used)
*
* Returned Value:
* Does not return
*
****************************************************************************/
int work_usrthread(int argc, char *argv[])
{
/* Loop forever */
for (;;)
{
/* Then process queued work. We need to keep interrupts disabled while
* we process items in the work list.
*/
work_process(&g_work[USRWORK]);
}
return OK; /* To keep some compilers happy */
}
#endif /* CONFIG_SCHED_WORKQUEUE && CONFIG_SCHED_USRWORK && !__KERNEL__*/

1
sched/init/os_bringup.c
View File

@ -57,6 +57,7 @@
#ifdef CONFIG_PAGING
# include "paging/paging.h"
#endif
# include "wqueue/wqueue.h"
# include "init/init.h"
/****************************************************************************

12
sched/wqueue/Make.defs
View File

@ -37,18 +37,24 @@
ifeq ($(CONFIG_SCHED_WORKQUEUE),y)
# Add high priority work queue files
ifeq ($(CONFIG_SCHED_HPWORK),y)
CSRCS += work_hpthread.c
endif
# Add low priority work queue files
ifeq ($(CONFIG_SCHED_LPWORK),y)
CSRCS += work_lpthread.c
ifeq ($(CONFIG_PRIORITY_INHERITANCE),y)
CSRCS += work_inherit.c
endif # CONFIG_PRIORITY_INHERITANCE
endif # CONFIG_SCHED_LPWORK
# Include wqueue build support
DEPPATH += --dep-path wqueue
VPATH += :wqueue
endif # CONFIG_PRIORITY_INHERITANCE
endif # CONFIG_SCHED_LPWORK
endif # CONFIG_SCHED_WORKQUEUE

122
sched/wqueue/work_hpthread.c Normal file
View File

@ -0,0 +1,122 @@
/****************************************************************************
* sched/wqueue/work_hothread.c
*
* Copyright (C) 2009-2014 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/wqueue.h>
#include <nuttx/kmalloc.h>
#include "wqueue/wqueue.h"
#if defined(CONFIG_SCHED_WORKQUEUE) && defined(CONFIG_SCHED_HPWORK)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Type Declarations
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: work_hpthread
*
* Description:
* This is the worker thread that performs the actions placed on the high
* priority work queue.
*
* This, along with the lower priority worker thread(s) are the kernel
* mode work queues (also build in the flat build). One of these threads
* also performs periodic garbage collection (that would otherwise be
* performed by the idle thread if CONFIG_SCHED_WORKQUEUE is not defined).
* That will be the higher priority worker thread only if a lower priority
* worker thread is available.
*
* All kernel mode worker threads are started by the OS during normal
* bring up. This entry point is referenced by OS internally and should
* not be accessed by application logic.
*
* Input parameters:
* argc, argv (not used)
*
* Returned Value:
* Does not return
*
****************************************************************************/
int work_hpthread(int argc, char *argv[])
{
/* Loop forever */
for (;;)
{
/* First, perform garbage collection. This cleans-up memory de-allocations
* that were queued because they could not be freed in that execution
* context (for example, if the memory was freed from an interrupt handler).
* NOTE: If the work thread is disabled, this clean-up is performed by
* the IDLE thread (at a very, very low priority).
*/
#ifndef CONFIG_SCHED_LPWORK
sched_garbagecollection();
#endif
/* Then process queued work. We need to keep interrupts disabled while
* we process items in the work list.
*/
work_process(&g_work[HPWORK]);
}
return OK; /* To keep some compilers happy */
}
#endif /* CONFIG_SCHED_WORKQUEUE && CONFIG_SCHED_HPWORK*/

5
sched/wqueue/work_inherit.c
View File

@ -1,7 +1,7 @@
/****************************************************************************
* sched/environ/env_putenv.c
* sched/work/work_inherit.c
*
* Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -44,6 +44,7 @@
#include <nuttx/wqueue.h>
#include "sched/sched.h"
#include "wqueue/wqueue.h"
#if defined(CONFIG_SCHED_WORKQUEUE) && defined(CONFIG_SCHED_LPWORK) && \
defined(CONFIG_PRIORITY_INHERITANCE)

119
sched/wqueue/work_lpthread.c Normal file
View File

@ -0,0 +1,119 @@
/****************************************************************************
* sched/wqueue/work_lpthread.c
*
* Copyright (C) 2009-2014 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/wqueue.h>
#include <nuttx/kmalloc.h>
#include "wqueue/wqueue.h"
#if defined(CONFIG_SCHED_WORKQUEUE) && defined(CONFIG_SCHED_LPWORK)
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Type Declarations
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: work_lpthread
*
* Description:
* These are the worker thread(s) that performs the actions placed on the
* low priority work queue.
*
* These, along with the higher priority worker thread are the kernel mode
* work queues (also build in the flat build). One of these threads also
* performs periodic garbage collection (that would otherwise be performed
* by the idle thread if CONFIG_SCHED_WORKQUEUE is not defined). That will
* be the lower priority worker thread if it is available.
*
* All kernel mode worker threads are started by the OS during normal
* bring up. This entry point is referenced by OS internally and should
* not be accessed by application logic.
*
* Input parameters:
* argc, argv (not used)
*
* Returned Value:
* Does not return
*
****************************************************************************/
int work_lpthread(int argc, char *argv[])
{
/* Loop forever */
for (;;)
{
/* First, perform garbage collection. This cleans-up memory de-allocations
* that were queued because they could not be freed in that execution
* context (for example, if the memory was freed from an interrupt handler).
* NOTE: If the work thread is disabled, this clean-up is performed by
* the IDLE thread (at a very, very low priority).
*/
sched_garbagecollection();
/* Then process queued work. We need to keep interrupts disabled while
* we process items in the work list.
*/
work_process(&g_work[LPWORK]);
}
return OK; /* To keep some compilers happy */
}
#endif /* CONFIG_SCHED_WORKQUEUE && CONFIG_SCHED_LPWORK */

123
sched/wqueue/wqueue.h Normal file
View File

@ -0,0 +1,123 @@
/****************************************************************************
* sched/wqueue/wqueue.h
*
* Copyright (C) 2014 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_WQUEUE_WQUEUE_H
#define __SCHED_WQUEUE_WQUEUE_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#ifdef CONFIG_SCHED_WORKQUEUE
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Public Type Definitions
****************************************************************************/
/****************************************************************************
* Global Variables
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: work_hpthread
*
* Description:
* This is the worker thread that performs the actions placed on the high
* priority work queue.
*
* This, along with the lower priority worker thread(s) are the kernel
* mode work queues (also build in the flat build). One of these threads
* also performs periodic garbage collection (that would otherwise be
* performed by the idle thread if CONFIG_SCHED_WORKQUEUE is not defined).
* That will be the higher priority worker thread only if a lower priority
* worker thread is available.
*
* All kernel mode worker threads are started by the OS during normal
* bring up. This entry point is referenced by OS internally and should
* not be accessed by application logic.
*
* Input parameters:
* argc, argv (not used)
*
* Returned Value:
* Does not return
*
****************************************************************************/
#ifdef CONFIG_SCHED_HPWORK
int work_hpthread(int argc, char *argv[]);
#endif
/****************************************************************************
* Name: work_lpthread
*
* Description:
* These are the worker thread(s) that performs the actions placed on the
* low priority work queue.
*
* These, along with the higher priority worker thread are the kernel mode
* work queues (also build in the flat build). One of these threads also
* performs periodic garbage collection (that would otherwise be performed
* by the idle thread if CONFIG_SCHED_WORKQUEUE is not defined). That will
* be the lower priority worker thread if it is available.
*
* All kernel mode worker threads are started by the OS during normal
* bring up. This entry point is referenced by OS internally and should
* not be accessed by application logic.
*
* Input parameters:
* argc, argv (not used)
*
* Returned Value:
* Does not return
*
****************************************************************************/
#ifdef CONFIG_SCHED_LPWORK
int work_lpthread(int argc, char *argv[]);
#endif
#endif /* CONFIG_SCHED_WORKQUEUE */
#endif /* __SCHED_WQUEUE_WQUEUE_H */