mirror of
https://github.com/kichikuou/xsystem35-sdl2.git
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46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* Copyright (C) 2021 kichikuou <KichikuouChrome@gmail.com>
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __MSGQUEUE_H__
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#define __MSGQUEUE_H__
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#include <stdbool.h>
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#include <SDL_mutex.h>
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struct msgq_elem;
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struct msgq {
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SDL_mutex *mutex;
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SDL_cond *cond_nonempty;
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struct msgq_elem *head;
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struct msgq_elem *last;
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};
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static inline bool msgq_isempty(struct msgq *q) {
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return !q->head;
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}
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struct msgq *msgq_new(void);
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void msgq_free(struct msgq *q);
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void msgq_enqueue(struct msgq *q, void *msg);
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void *msgq_dequeue(struct msgq *q);
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void *msgq_dequeue_timeout(struct msgq *q, uint32_t timeout_ms);
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#endif // __MSGQUEUE_H__
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