summaryrefslogtreecommitdiff
path: root/innobase/include/srv0que.h
diff options
context:
space:
mode:
Diffstat (limited to 'innobase/include/srv0que.h')
-rw-r--r--innobase/include/srv0que.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/innobase/include/srv0que.h b/innobase/include/srv0que.h
new file mode 100644
index 00000000000..05c339cdd32
--- /dev/null
+++ b/innobase/include/srv0que.h
@@ -0,0 +1,53 @@
+/******************************************************
+Server query execution
+
+(c) 1996 Innobase Oy
+
+Created 6/5/1996 Heikki Tuuri
+*******************************************************/
+
+
+#ifndef srv0que_h
+#define srv0que_h
+
+#include "univ.i"
+#include "que0types.h"
+
+/**************************************************************************
+Checks if there is work to do in the server task queue. If there is, the
+thread starts processing a task. Before leaving, it again checks the task
+queue and picks a new task if any exists. This is called by a SRV_WORKER
+thread. */
+
+void
+srv_que_task_queue_check(void);
+/*==========================*/
+/**************************************************************************
+Performs round-robin on the server tasks. This is called by a SRV_WORKER
+thread every second or so. */
+
+que_thr_t*
+srv_que_round_robin(
+/*================*/
+ /* out: the new (may be == thr) query thread
+ to run */
+ que_thr_t* thr); /* in: query thread */
+/**************************************************************************
+Enqueues a task to server task queue and releases a worker thread, if
+there exists one suspended. */
+
+void
+srv_que_task_enqueue(
+/*=================*/
+ que_thr_t* thr); /* in: query thread */
+/**************************************************************************
+Enqueues a task to server task queue and releases a worker thread, if
+there exists one suspended. */
+
+void
+srv_que_task_enqueue_low(
+/*=====================*/
+ que_thr_t* thr); /* in: query thread */
+
+#endif
+