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