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-rw-r--r--lib/workqueue.h25
1 files changed, 18 insertions, 7 deletions
diff --git a/lib/workqueue.h b/lib/workqueue.h
index 15c72f62..0a398ded 100644
--- a/lib/workqueue.h
+++ b/lib/workqueue.h
@@ -57,26 +57,31 @@ enum work_queue_flags
struct work_queue
{
- /* Everything but the specification struct is private */
+ /* Everything but the specification struct is private
+ * the following may be read
+ */
struct thread_master *master; /* thread master */
struct thread *thread; /* thread, if one is active */
char *name; /* work queue name */
- char status; /* status */
-#define WQ_STATE_FLOODED (1 << 0)
- enum work_queue_flags flags; /* flags */
/* Specification for this work queue.
* Public, must be set before use by caller. May be modified at will.
*/
struct {
- /* work function to process items with */
- wq_item_status (*workfunc) (void *);
+ /* optional opaque user data, global to the queue. */
+ void *data;
+
+ /* work function to process items with:
+ * First argument is the workqueue queue.
+ * Second argument is the item data
+ */
+ wq_item_status (*workfunc) (struct work_queue *, void *);
/* error handling function, optional */
void (*errorfunc) (struct work_queue *, struct work_queue_item *);
/* callback to delete user specific item data */
- void (*del_item_data) (void *);
+ void (*del_item_data) (struct work_queue *, void *);
/* completion callback, called when queue is emptied, optional */
void (*completion_func) (struct work_queue *);
@@ -110,6 +115,12 @@ struct work_queue
unsigned int granularity;
unsigned long total;
} cycles; /* cycle counts */
+
+ /* private state */
+ enum work_queue_flags flags; /* user set flag */
+ char status; /* internal status */
+#define WQ_STATE_FLOODED (1 << 0)
+
};
/* User API */