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net/can: modify net_unlock location before txnotify for can_sendmsg_buffered.c

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Release the lock early to reduce the number of thread switches.

Signed-off-by: wangjinjing1 <wangjinjing1@xiaomi.com>
This commit is contained in:
wangjinjing1
2025-02-27 10:00:11 +08:00
committed by Xiang Xiao
parent 3bd4748bc3
commit 99584588fc
1 changed files with 9 additions and 1 deletions
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net/can/can_sendmsg_buffered.c
+9 -1
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@@ -387,12 +387,20 @@ ssize_t can_sendmsg(FAR struct socket *psock, FAR struct msghdr *msg,
conn->sndcb->priv = (FAR void *)conn; conn->sndcb->priv = (FAR void *)conn;
conn->sndcb->event = psock_send_eventhandler; conn->sndcb->event = psock_send_eventhandler;
/* unlock */
net_unlock();
/* Notify the device driver that new TX data is available. */ /* Notify the device driver that new TX data is available. */
netdev_txnotify_dev(dev); netdev_txnotify_dev(dev);
} }
else
{
/* unlock */
net_unlock(); net_unlock();
}
return msg->msg_iov->iov_len; return msg->msg_iov->iov_len;