77 lines
3.9 KiB
C
77 lines
3.9 KiB
C
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/******************************************************************************
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*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/*****************************************************************************/
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/* */
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/* File Name : osal_mbox.h */
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/* */
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/* Description : This file contains OSAL Mail box handle structure */
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/* definition. */
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/* */
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/* List of Functions : None */
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/* */
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/* Issues / Problems : None */
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/* */
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/* Revision History : */
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/* */
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/* DD MM YYYY Author(s) Changes (Describe the changes made) */
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/* 26 05 2006 Ittiam Draft */
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/* */
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/*****************************************************************************/
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#ifndef OSAL_MBOX_H
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#define OSAL_MBOX_H
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/*****************************************************************************/
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/* Constant Macros */
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/*****************************************************************************/
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/*****************************************************************************/
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/* Structures */
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/*****************************************************************************/
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/* Mail box handle structure. In WIN32 mail boxes are associated with each */
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/* Thread. So, thread id represents the mail box in question. In POSIX, name */
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/* distinguishs the mail boxes. */
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typedef struct
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{
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WORD32 mq_id; /* Message queue identifier */
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void *mmr_handle; /* Pointer to memory manager handle */
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osal_t *hdl; /* Associated OSAL handle */
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} mbox_handle_t;
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typedef struct
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{
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void *mmr_handle; /* Pointer to memory manager handle */
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osal_t *hdl; /* Associated OSAL handle */
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void *count_sem; /* Semaphore to take care of get to an empty queue */
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void *sync_mutex; /* Mutex to maintain sync in post msg and get msg */
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void *data; /* msg posted or got from the queue */
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UWORD32 write_count; /* Post Count */
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UWORD32 read_count; /* Get Count */
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UWORD32 msg_size; /* Size of the msg */
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UWORD32 mbox_len; /* Max number of messages the mailbox can handle */
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} custom_mbox_handle_t;
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#endif /* OSAL_MBOX_H */
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