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/*
* Copyright (C) 2010 Tobias Brunner
* Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that 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.
*/
/**
* @defgroup event_queue event_queue
* @{ @ingroup pluto
*/
#ifndef EVENT_QUEUE_H_
#define EVENT_QUEUE_H_
typedef struct event_queue_t event_queue_t;
/**
* The event queue facility can be used to synchronize thread-pool threads
* with the pluto main thread. That is, all queued callbacks are executed
* asynchronously by the pluto main thread.
*/
struct event_queue_t {
/**
* Returns the file descriptor used to notify the main thread.
*
* @return fd to use in the main thread
*/
int (*get_event_fd) (event_queue_t *this);
/**
* Handle all queued events.
*/
void (*handle) (event_queue_t *this);
/**
* Add an event to the queue.
*
* @param callback callback function to add to the queue
* @param data data supplied to the callback function
* @param cleanup optional cleanup function
*/
void (*queue) (event_queue_t *this, void (*callback)(void *data),
void *data, void (*cleanup)(void *data));
/**
* Destroy this instance.
*/
void (*destroy) (event_queue_t *this);
};
/**
* Create the event queue.
*
* @return created object
*/
event_queue_t *event_queue_create();
#endif /** EVENT_QUEUE_H_ @}*/
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