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/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2009, Jan Vidar Krey
*
* 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 3 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef HAVE_UHUB_EVENT_QUEUE_H
#define HAVE_UHUB_EVENT_QUEUE_H
struct event_data
{
int id;
void* ptr;
int flags;
};
typedef void (*event_queue_callback)(void* callback_data, struct event_data* event_data);
struct event_queue
{
int locked;
struct linked_list* q1; /* primary */
struct linked_list* q2; /* secondary, when primary is locked */
event_queue_callback callback;
void* callback_data;
};
extern int event_queue_initialize(struct event_queue** queue, event_queue_callback callback, void* ptr);
extern int event_queue_process(struct event_queue* queue);
extern void event_queue_shutdown(struct event_queue* queue);
extern void event_queue_post(struct event_queue* queue, struct event_data* message);
extern size_t event_queue_size(struct event_queue* queue);
#endif /* HAVE_UHUB_EVENT_QUEUE_H */
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