| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #ifndef __EVENT_FIFO_PUBLIC_H |
| #define __EVENT_FIFO_PUBLIC_H |
| |
| #include <type_support.h> |
| #include "system_types.h" |
| |
| /*! Blocking read from an event source EVENT[ID] |
| |
| \param ID[in] EVENT identifier |
| |
| \return none, dequeue(event_queue[ID]) |
| */ |
| STORAGE_CLASS_EVENT_H void event_wait_for( |
| const event_ID_t ID); |
| |
| /*! Conditional blocking wait for an event source EVENT[ID] |
| |
| \param ID[in] EVENT identifier |
| \param cnd[in] predicate |
| |
| \return none, if(cnd) dequeue(event_queue[ID]) |
| */ |
| STORAGE_CLASS_EVENT_H void cnd_event_wait_for( |
| const event_ID_t ID, |
| const bool cnd); |
| |
| /*! Blocking read from an event source EVENT[ID] |
| |
| \param ID[in] EVENT identifier |
| |
| \return dequeue(event_queue[ID]) |
| */ |
| STORAGE_CLASS_EVENT_H hrt_data event_receive_token( |
| const event_ID_t ID); |
| |
| /*! Blocking write to an event sink EVENT[ID] |
| |
| \param ID[in] EVENT identifier |
| \param token[in] token to be written on the event |
| |
| \return none, enqueue(event_queue[ID]) |
| */ |
| STORAGE_CLASS_EVENT_H void event_send_token( |
| const event_ID_t ID, |
| const hrt_data token); |
| |
| /*! Query an event source EVENT[ID] |
| |
| \param ID[in] EVENT identifier |
| |
| \return !isempty(event_queue[ID]) |
| */ |
| STORAGE_CLASS_EVENT_H bool is_event_pending( |
| const event_ID_t ID); |
| |
| /*! Query an event sink EVENT[ID] |
| |
| \param ID[in] EVENT identifier |
| |
| \return !isfull(event_queue[ID]) |
| */ |
| STORAGE_CLASS_EVENT_H bool can_event_send_token( |
| const event_ID_t ID); |
| |
| #endif /* __EVENT_FIFO_PUBLIC_H */ |
