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wqueue: extend the work_cancel_sync() return value 

Return 1 to indicate the work was not cancelled.
Because it is currently being processed by work thread,
but wait for it to finish.

Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd 2024-09-10 23:46:19 +08:00 committed by Xiang Xiao
parent f3ada4b666
commit 42b6dd0ff1
2 changed files with 9 additions and 28 deletions
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6
include/nuttx/wqueue.h
View File

@ -470,8 +470,10 @@ int work_cancel_wq(FAR struct kwork_wqueue_s *wqueue,
* work - The previously queued work structure to cancel
*
* Returned Value:
* Zero (OK) on success, a negated errno on failure. This error may be
* reported:
* Zero means the work was successfully cancelled.
* One means the work was not cancelled because it is currently being
* processed by work thread, but wait for it to finish.
* A negated errno value is returned on any failure:
*
* -ENOENT - There is no such work queued.
* -EINVAL - An invalid work queue was specified

31
sched/wqueue/kwork_cancel.c
View File

@ -42,29 +42,6 @@
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: work_qcancel
*
* Description:
* Cancel previously queued work. This removes work from the work queue.
* After work has been cancelled, it may be requeued by calling
* work_queue() again.
*
* Input Parameters:
* wqueue - The work queue to use
* sync - true: synchronous cancel
* false: asynchronous cancel
* work - The previously queued work structure to cancel
*
* Returned Value:
* Zero (OK) on success, a negated errno on failure. This error may be
* reported:
*
* -ENOENT - There is no such work queued.
* -EINVAL - An invalid work queue was specified
*
****************************************************************************/
static int work_qcancel(FAR struct kwork_wqueue_s *wqueue, bool sync,
FAR struct work_s *work)
{
@ -110,7 +87,7 @@ static int work_qcancel(FAR struct kwork_wqueue_s *wqueue, bool sync,
wqueue->worker[wndx].pid != nxsched_gettid())
{
nxsem_wait_uninterruptible(&wqueue->worker[wndx].wait);
ret = OK;
ret = 1;
break;
}
}
@ -170,8 +147,10 @@ int work_cancel_wq(FAR struct kwork_wqueue_s *wqueue,
* work - The previously queued work structure to cancel
*
* Returned Value:
* Zero (OK) on success, a negated errno on failure. This error may be
* reported:
* Zero means the work was successfully cancelled.
* One means the work was not cancelled because it is currently being
* processed by work thread, but wait for it to finish.
* A negated errno value is returned on any failure:
*
* -ENOENT - There is no such work queued.
* -EINVAL - An invalid work queue was specified