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Decouple the user-space work queue from the kernel space work queues

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This commit is contained in:
Gregory Nutt
2014-10-11 15:50:22 -06:00
parent c38b81431f
commit 9292e3d9de
16 changed files with 202 additions and 205 deletions
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include/nuttx/userspace.h
+1 -1
View File
@@ -149,7 +149,7 @@ struct userspace_s
/* User-space work queue support */
#if defined(CONFIG_SCHED_WORKQUEUE) && defined(CONFIG_SCHED_USRWORK)
#ifdef CONFIG_SCHED_USRWORK
int (*work_usrstart)(void);
#endif
};
include/nuttx/wqueue.h
+11 -13
View File
@@ -51,7 +51,9 @@
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* CONFIG_SCHED_WORKQUEUE. Create a dedicated "worker" thread to
/* CONFIG_SCHED_WORKQUEUE. Not selectable. Set by the configuration system
* if either CONFIG_SCHED_HPWORK or CONFIG_SCHED_LPWORK are selected.
* CONFIG_SCHED_HPWORK. Create a dedicated "worker" thread to
* handle delayed processing from interrupt handlers. This feature
* is required for some drivers but, if there are not complaints,
* can be safely disabled. The worker thread also performs
@@ -59,7 +61,7 @@
* from interrupt handlers. If the worker thread is disabled,
* then that clean will be performed by the IDLE thread instead
* (which runs at the lowest of priority and may not be appropriate
* if memory reclamation is of high priority). If CONFIG_SCHED_WORKQUEUE
* if memory reclamation is of high priority). If CONFIG_SCHED_HPWORK
* is enabled, then the following options can also be used:
* CONFIG_SCHED_HPWORK - Build the high priority work queue. To preserve
* legacy behavior, CONFIG_SCHED_HPWORK is assumed to be true in a flat
@@ -77,11 +79,10 @@
* CONFIG_SIG_SIGWORK - The signal number that will be used to wake-up
* the worker thread. Default: 17
*
* CONFIG_SCHED_LPWORK. If CONFIG_SCHED_WORKQUEUE is defined, then a single
* work queue is created by default. If CONFIG_SCHED_LPWORK is also defined
* then an additional, lower-priority work queue will also be created. This
* lower priority work queue is better suited for more extended processing
* (such as file system clean-up operations)
* CONFIG_SCHED_LPWORK. If CONFIG_SCHED_LPWORK is selected then a lower-
* priority work queue will be created. This lower priority work queue
* is better suited for more extended processing (such as file system
* clean-up operations)
* CONFIG_SCHED_LPNTHREADS - The number of thread in the low-priority queue's
* thread pool. Default: 1
* CONFIG_SCHED_LPWORKPRIORITY - The minimum execution priority of the lower
@@ -119,10 +120,7 @@
# undef CONFIG_SCHED_HPWORK
# undef CONFIG_SCHED_LPWORK
# ifndef CONFIG_SCHED_USRWORK
# undef CONFIG_SCHED_WORKQUEUE
# endif
# undef CONFIG_SCHED_WORKQUEUE
/* User-space worker threads are not built in a kernel build when we are
* building the kernel-space libraries (but we still need to know that it
@@ -144,7 +142,7 @@
# undef CONFIG_SCHED_USRWORK
#endif
#ifdef CONFIG_SCHED_WORKQUEUE
#if defined(CONFIG_SCHED_WORKQUEUE) || defined(CONFIG_SCHED_USRWORK)
/* High priority, kernel work queue configuration ***************************/
@@ -471,5 +469,5 @@ void lpwork_restorepriority(uint8_t reqprio);
#endif
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_SCHED_WORKQUEUE */
#endif /* CONFIG_SCHED_WORKQUEUE || CONFIG_SCHED_USRWORK */
#endif /* __INCLUDE_NUTTX_WQUEUE_H */