mirror of
https://github.com/CTCaer/RetroArch.git
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86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2015 - Daniel De Matteis
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __RARCH_MSG_QUEUE_H
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#define __RARCH_MSG_QUEUE_H
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct msg_queue msg_queue_t;
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/**
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* msg_queue_new:
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* @size : maximum size of message
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*
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* Creates a message queue with maximum size different messages.
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*
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* Returns: NULL if allocation error, pointer to a message queue
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* if successful. Has to be freed manually.
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**/
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msg_queue_t *msg_queue_new(size_t size);
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/**
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* msg_queue_push:
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* @queue : pointer to queue object
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* @msg : message to add to the queue
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* @prio : priority level of the message
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* @duration : how many times the message can be pulled
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* before it vanishes (E.g. show a message for
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* 3 seconds @ 60fps = 180 duration).
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*
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* Push a new message onto the queue.
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**/
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void msg_queue_push(msg_queue_t *queue, const char *msg,
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unsigned prio, unsigned duration);
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/**
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* msg_queue_pull:
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* @queue : pointer to queue object
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*
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* Pulls highest priority message in queue.
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*
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* Returns: NULL if no message in queue, otherwise a string
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* containing the message.
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**/
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const char *msg_queue_pull(msg_queue_t *queue);
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/**
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* msg_queue_clear:
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* @queue : pointer to queue object
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*
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* Clears out everything in the queue.
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**/
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void msg_queue_clear(msg_queue_t *queue);
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/**
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* msg_queue_free:
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* @queue : pointer to queue object
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*
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* Frees message queue..
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**/
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void msg_queue_free(msg_queue_t *queue);
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#ifdef __cplusplus
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}
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#endif
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#endif
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