AEMessageQueue.h

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//
//  AEMessageQueue.h
//  Extracted and modified from AEAudioController of Michael Tysons 'TheAmazingAudioEngine'
//
//  Created by Jonatan Liljedahl on 8/26/15.
//  Copyright (c) 2015 Jonatan Liljedahl & Michael Tyson.
//
//  This software is provided 'as-is', without any express or implied
//  warranty.  In no event will the authors be held liable for any damages
//  arising from the use of this software.
//
//  Permission is granted to anyone to use this software for any purpose,
//  including commercial applications, and to alter it and redistribute it
//  freely, subject to the following restrictions:
//
//  1. The origin of this software must not be misrepresented; you must not
//     claim that you wrote the original software. If you use this software
//     in a product, an acknowledgment in the product documentation would be
//     appreciated but is not required.
//
//  2. Altered source versions must be plainly marked as such, and must not be
//     misrepresented as being the original software.
//
//  3. This notice may not be removed or altered from any source distribution.
//

#import <Foundation/Foundation.h>

@class AEMessageQueue;

typedef void (*AEMessageQueueMessageHandler)(void *userInfo, int userInfoLength);

@interface AEMessageQueue : NSObject

- (instancetype)init;

- (instancetype)initWithMessageBufferLength:(int32_t)numBytes;

- (void)startPolling;

- (void)stopPolling;

-(void)processMainThreadMessages;

- (void)performAsynchronousMessageExchangeWithBlock:(void (^)())block
                                      responseBlock:(void (^)())responseBlock;

- (BOOL)performSynchronousMessageExchangeWithBlock:(void (^)())block;

void AEMessageQueueSendMessageToMainThread(AEMessageQueue               *messageQueue,
                                           AEMessageQueueMessageHandler  handler,
                                           void                         *userInfo,
                                           int                           userInfoLength);

- (void)beginMessageExchangeBlock;

- (void)endMessageExchangeBlock;


@property (nonatomic, assign) NSTimeInterval autoProcessTimeout;

void AEMessageQueueProcessMessagesOnRealtimeThread(__unsafe_unretained AEMessageQueue *THIS);

@end