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      1 /*
      2  *
      3  * Copyright 2012 Samsung Electronics S.LSI Co. LTD
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at
      8  *
      9  *      http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  */
     17 
     18 /*
     19  * @file    Exynos_OSAL_Queue.h
     20  * @brief
     21  * @author    SeungBeom Kim (sbcrux.kim (at) samsung.com)
     22  * @version    2.0.0
     23  * @history
     24  *   2012.02.20 : Create
     25  */
     26 
     27 #ifndef EXYNOS_OSAL_QUEUE
     28 #define EXYNOS_OSAL_QUEUE
     29 
     30 #include "OMX_Types.h"
     31 #include "OMX_Core.h"
     32 
     33 #define QUEUE_ELEMENTS        10
     34 #define MAX_QUEUE_ELEMENTS    40
     35 
     36 typedef struct _EXYNOS_QElem
     37 {
     38     void             *data;
     39     struct _EXYNOS_QElem *qNext;
     40 } EXYNOS_QElem;
     41 
     42 typedef struct _EXYNOS_QUEUE
     43 {
     44     EXYNOS_QElem     *first;
     45     EXYNOS_QElem     *last;
     46     int            numElem;
     47     int            maxNumElem;
     48     OMX_HANDLETYPE qMutex;
     49 } EXYNOS_QUEUE;
     50 
     51 
     52 #ifdef __cplusplus
     53 extern "C" {
     54 #endif
     55 
     56 OMX_ERRORTYPE Exynos_OSAL_QueueCreate(EXYNOS_QUEUE *queueHandle, int maxNumElem);
     57 OMX_ERRORTYPE Exynos_OSAL_QueueTerminate(EXYNOS_QUEUE *queueHandle);
     58 int           Exynos_OSAL_Queue(EXYNOS_QUEUE *queueHandle, void *data);
     59 void         *Exynos_OSAL_Dequeue(EXYNOS_QUEUE *queueHandle);
     60 int           Exynos_OSAL_GetElemNum(EXYNOS_QUEUE *queueHandle);
     61 int           Exynos_OSAL_SetElemNum(EXYNOS_QUEUE *queueHandle, int ElemNum);
     62 int           Exynos_OSAL_ResetQueue(EXYNOS_QUEUE *queueHandle);
     63 
     64 #ifdef __cplusplus
     65 }
     66 #endif
     67 
     68 #endif
     69