diff options
author | Gregory Nutt <gnutt@nuttx.org> | 2014-10-10 06:22:51 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2014-10-10 06:22:51 -0600 |
commit | 9b9ec70ae1cc4560810677c6499a35be6ce8c614 (patch) | |
tree | 9382686e750f980f12a08925b5e0de74c15648fc /nuttx/libc | |
parent | 166e1be5b535c311cd116e60f8fa2ca672ff2e91 (diff) | |
download | nuttx-9b9ec70ae1cc4560810677c6499a35be6ce8c614.tar.gz nuttx-9b9ec70ae1cc4560810677c6499a35be6ce8c614.tar.bz2 nuttx-9b9ec70ae1cc4560810677c6499a35be6ce8c614.zip |
Repartition work queue code. Move kernel-specific parts from libc/wqueue to sched/wqueue
Diffstat (limited to 'nuttx/libc')
-rw-r--r-- | nuttx/libc/wqueue/Make.defs | 8 | ||||
-rw-r--r-- | nuttx/libc/wqueue/work_process.c (renamed from nuttx/libc/wqueue/work_thread.c) | 141 | ||||
-rw-r--r-- | nuttx/libc/wqueue/work_usrthread.c | 102 |
3 files changed, 124 insertions, 127 deletions
diff --git a/nuttx/libc/wqueue/Make.defs b/nuttx/libc/wqueue/Make.defs index 3f1303d7a..87c5437e3 100644 --- a/nuttx/libc/wqueue/Make.defs +++ b/nuttx/libc/wqueue/Make.defs @@ -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 diff --git a/nuttx/libc/wqueue/work_thread.c b/nuttx/libc/wqueue/work_process.c index 657fe9d10..fb0ecfaa8 100644 --- a/nuttx/libc/wqueue/work_thread.c +++ b/nuttx/libc/wqueue/work_process.c @@ -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. */ @@ -90,7 +87,7 @@ struct wqueue_s g_work[NWORKERS]; #endif /* CONFIG_BUILD_PROTECTED */ /**************************************************************************** - * Private Variables + * Private Data ****************************************************************************/ /**************************************************************************** @@ -98,10 +95,17 @@ struct wqueue_s g_work[NWORKERS]; ****************************************************************************/ /**************************************************************************** + * 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 */ diff --git a/nuttx/libc/wqueue/work_usrthread.c b/nuttx/libc/wqueue/work_usrthread.c new file mode 100644 index 000000000..b836e27ca --- /dev/null +++ b/nuttx/libc/wqueue/work_usrthread.c @@ -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__*/ |