/* * Copyright (c) 2020 AIIT XUOS Lab * XiUOS is licensed under Mulan PSL v2. * You can use this software according to the terms and conditions of the Mulan PSL v2. * You may obtain a copy of Mulan PSL v2 at: * http://license.coscl.org.cn/MulanPSL2 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. * See the Mulan PSL v2 for more details. */ /** * @file: xs_msg.h * @brief: function declaration and structure defintion of message queue * @version: 1.0 * @author: AIIT XUOS Lab * @date: 2020/3/2 * */ #ifndef XS_MSG_H #define XS_MSG_H #include #include #include #include #ifdef KERNEL_MESSAGEQUEUE struct MsgQueue { struct IdNode id; void *msg_buf; uint16 index; uint16 num_msgs; uint16 each_len; uint16 max_msgs; DoubleLinklistType send_pend_list; DoubleLinklistType recv_pend_list; DoubleLinklistType link; struct MsgQueueDone *Done; }; typedef struct MsgQueue *MsgQueueType; struct MsgQueueDone { x_err_t (*init)(struct MsgQueue *mq, x_size_t msg_size, x_size_t max_msgs ); x_err_t (*urgensend)(struct MsgQueue *mq, const void *buffer, x_size_t size); x_err_t (*send)(struct MsgQueue *mq, const void *buffer, x_size_t size,int32 timeout); x_err_t (*recv)(struct MsgQueue *mq, void *buffer, x_size_t size, int32 timeout); x_err_t (*reinit)(struct MsgQueue *mq); x_err_t (*Delete)(struct MsgQueue *mq); }; int32 KCreateMsgQueue( x_size_t msg_size, x_size_t max_msgs ); x_err_t KMsgQueueSendwait(int32 id, const void *buffer, x_size_t size, int32 timeout); x_err_t KMsgQueueUrgentSend(int32 id, const void *buffer, x_size_t size); x_err_t KMsgQueueSend(int32 id, const void *buffer, x_size_t size); x_err_t KMsgQueueRecv(int32 id, void *buffer, x_size_t size, int32 timeout); x_err_t KMsgQueueReinit(int32 id); x_err_t KDeleteMsgQueue(int32 id); #endif #endif