49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
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/*
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* uhub - A tiny ADC p2p connection hub
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* Copyright (C) 2007-2009, Jan Vidar Krey
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef HAVE_UHUB_EVENT_QUEUE_H
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#define HAVE_UHUB_EVENT_QUEUE_H
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struct event_data
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{
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int id;
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void* ptr;
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int flags;
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};
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typedef void (*event_queue_callback)(void* callback_data, struct event_data* event_data);
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struct event_queue
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{
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int locked;
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struct linked_list* q1; /* primary */
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struct linked_list* q2; /* secondary, when primary is locked */
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event_queue_callback callback;
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void* callback_data;
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};
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extern int event_queue_initialize(struct event_queue** queue, event_queue_callback callback, void* ptr);
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extern int event_queue_process(struct event_queue* queue);
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extern void event_queue_shutdown(struct event_queue* queue);
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extern void event_queue_post(struct event_queue* queue, struct event_data* message);
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extern size_t event_queue_size(struct event_queue* queue);
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#endif /* HAVE_UHUB_EVENT_QUEUE_H */
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