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mqueue: simplify the mqueue reailize

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1. remove descript management in mqueue, save code size
2. use i_ops instead of i_mqueue to remove the dup logic

Change-Id: Ie88960e50ddcae9c87977c9ad65a45297c663291
Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd
2020-12-22 22:02:48 +08:00
committed by liguiding1
parent 0af4d1e617
commit dcf8dae046
25 changed files with 291 additions and 842 deletions
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sched/mqueue/mq_notify.c
+20 -10
View File
@@ -93,24 +93,34 @@
int mq_notify(mqd_t mqdes, FAR const struct sigevent *notification)
{
FAR struct tcb_s *rtcb;
FAR struct mqueue_inode_s *msgq;
FAR struct inode *inode;
FAR struct file *filep;
FAR struct tcb_s *rtcb;
int errval;
errval = fs_getfilep(mqdes, &filep);
if (errval < 0)
{
goto errout_without_lock;
}
inode = filep->f_inode;
msgq = inode->i_private;
/* Was a valid message queue descriptor provided? */
if (!mqdes)
if (!msgq)
{
/* No.. return EBADF */
errval = EBADF;
goto errout;
goto errout_without_lock;
}
/* Get a pointer to the message queue */
sched_lock();
msgq = mqdes->msgq;
/* Get the current process ID */
@@ -118,7 +128,7 @@ int mq_notify(mqd_t mqdes, FAR const struct sigevent *notification)
/* Is there already a notification attached */
if (!msgq->ntmqdes)
if (msgq->ntpid == INVALID_PROCESS_ID)
{
/* No... Have we been asked to establish one? */
@@ -139,8 +149,7 @@ int mq_notify(mqd_t mqdes, FAR const struct sigevent *notification)
memcpy(&msgq->ntevent, notification,
sizeof(struct sigevent));
msgq->ntpid = rtcb->pid;
msgq->ntmqdes = mqdes;
msgq->ntpid = rtcb->pid;
}
}
@@ -164,8 +173,7 @@ int mq_notify(mqd_t mqdes, FAR const struct sigevent *notification)
*/
memset(&msgq->ntevent, 0, sizeof(struct sigevent));
msgq->ntpid = INVALID_PROCESS_ID;
msgq->ntmqdes = NULL;
msgq->ntpid = INVALID_PROCESS_ID;
nxsig_cancel_notification(&msgq->ntwork);
}
@@ -173,7 +181,9 @@ int mq_notify(mqd_t mqdes, FAR const struct sigevent *notification)
return OK;
errout:
set_errno(errval);
sched_unlock();
errout_without_lock:
set_errno(errval);
return ERROR;
}