1 /*
2  * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
3  *
4  * HDF is dual licensed: you can use it either under the terms of
5  * the GPL, or the BSD license, at your option.
6  * See the LICENSE file in the root of this repository for complete details.
7  */
8 
9 #ifndef OSAL_MSG_QUEUE_H
10 #define OSAL_MSG_QUEUE_H
11 
12 #include "hdf_slist.h"
13 #include "osal_message.h"
14 #include "osal_mutex.h"
15 #include "osal_sem.h"
16 
17 #ifdef __cplusplus
18 extern "C" {
19 #endif /* __cplusplus */
20 
21 struct HdfMessageQueue {
22     struct OsalMutex mutex;
23     struct OsalSem   semaphore;
24     struct HdfSList  list;
25 };
26 
27 void OsalMessageQueueInit(struct HdfMessageQueue *queue);
28 void OsalMessageQueueDestroy(struct HdfMessageQueue *queue);
29 void HdfMessageQueueEnqueue(
30     struct HdfMessageQueue *queue, struct HdfMessage *message, long delayed);
31 
32 struct HdfMessage *HdfMessageQueueNext(struct HdfMessageQueue *queue);
33 
34 #ifdef __cplusplus
35 }
36 #endif /* __cplusplus */
37 
38 #endif /* OSAL_MSG_QUEUE_H */
39