| /****************************************************************************** |
| * |
| * 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 */ |