| /****************************************************************************** |
| * |
| * 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_select_engine.h */ |
| /* */ |
| /* Description : This file contains OSAL Select Engine 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_SELECT_ENGINE_H |
| #define OSAL_SELECT_ENGINE_H |
| |
| /*****************************************************************************/ |
| /* Constants */ |
| /*****************************************************************************/ |
| |
| #define ACTIVE 1 |
| #define SHUTDOWN 2 |
| #define DEAD 3 |
| |
| /*****************************************************************************/ |
| /* Structures */ |
| /*****************************************************************************/ |
| |
| typedef struct |
| { |
| osal_select_entry_t *readfds[MAX_FDS]; /* To check for read */ |
| UWORD32 read_count; /* Count of read descriptors */ |
| osal_select_entry_t *writefds[MAX_FDS]; /* To check for write */ |
| UWORD32 write_count; /* Count of write descriptors */ |
| osal_select_entry_t *exceptfds[MAX_FDS]; /* Check for errors */ |
| UWORD32 except_count; /* Count of write descriptors */ |
| WORD32 id; /* To generate id for each entry */ |
| volatile WORD32 state; /* State of select engine */ |
| void *thread_handle; /* Select engine thread handle */ |
| void *mutex_handle; /* Mutex for mutual exclusion. */ |
| void *mmr_handle; /* Handle to memory manager */ |
| osal_t *hdl; /* Associated OSAL handle */ |
| |
| /* Timeout for thread sleep */ |
| UWORD32 select_timeout; |
| |
| /* Timeout for SELECT system called by osal library */ |
| UWORD32 select_poll_interval; |
| } select_engine_t; |
| |
| #endif /* OSAL_SELECT_ENGINE_H */ |