[incubator-nuttx] 02/02: sched/wqueue: Add work_timeleft macro to get the left time to start

[pk...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

pkarashchenko pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit 9d2dae2fd8b5b6848a9af1c39688e417e9a4503f
Author: Xiang Xiao <xi...@xiaomi.com>
AuthorDate: Thu May 19 01:09:34 2022 +0800

    sched/wqueue: Add work_timeleft macro to get the left time to start
    
    Signed-off-by: Xiang Xiao <xi...@xiaomi.com>
---
 include/nuttx/wqueue.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/include/nuttx/wqueue.h b/include/nuttx/wqueue.h
index bd91068748..5bdc25e22e 100644
--- a/include/nuttx/wqueue.h
+++ b/include/nuttx/wqueue.h
@@ -421,6 +421,29 @@ void work_foreach(int qid, work_foreach_t handler, FAR void *arg);
 
 #define work_available(work) ((work)->worker == NULL)
 
+/****************************************************************************
+ * Name: work_timeleft
+ *
+ * Description:
+ *   This function returns the time remaining before the specified work
+ *   start.
+ *
+ * Input Parameters:
+ *   work - The work queue structure to check.
+ *
+ * Returned Value:
+ *   The time in system ticks remaining until the work start.
+ *   Zero means either that work is not valid or that work has already
+ *   started.
+ *
+ ****************************************************************************/
+
+#ifdef __KERNEL__
+#  define work_timeleft(work) wd_gettime(&((work)->u.timer))
+#else
+#  define work_timeleft(work) ((sclock_t)((work)->u.s.qtime - clock()))
+#endif
+
 /****************************************************************************
  * Name: lpwork_boostpriority
  *