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rpmsg_scoket: handle race condition on ept_cb RPMSG_SOCKET_CMD_SYNC

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Signed-off-by: ligd <liguiding1@xiaomi.com>
This commit is contained in:
ligd
2021-12-03 20:38:34 +08:00
committed by Xiang Xiao
parent d0486be2a3
commit be70ab2ebb
1 changed files with 2 additions and 0 deletions
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net/rpmsg/rpmsg_sockif.c
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@@ -296,9 +296,11 @@ static int rpmsg_socket_ept_cb(FAR struct rpmsg_endpoint *ept,
if (head->cmd == RPMSG_SOCKET_CMD_SYNC) if (head->cmd == RPMSG_SOCKET_CMD_SYNC)
{ {
rpmsg_socket_lock(&conn->recvlock);
conn->sendsize = head->size; conn->sendsize = head->size;
conn->psock->s_flags |= _SF_CONNECTED; conn->psock->s_flags |= _SF_CONNECTED;
_SO_SETERRNO(conn->psock, OK); _SO_SETERRNO(conn->psock, OK);
rpmsg_socket_unlock(&conn->recvlock);
rpmsg_socket_post(&conn->sendsem); rpmsg_socket_post(&conn->sendsem);
rpmsg_socket_pollnotify(conn, POLLOUT); rpmsg_socket_pollnotify(conn, POLLOUT);
} }