50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import <UIKit/UIKit.h>
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#import <React/RCTAssert.h>
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#import <React/RCTDefines.h>
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/**
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* Returns UIManager queue.
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*/
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RCT_EXTERN dispatch_queue_t RCTGetUIManagerQueue(void);
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/**
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* Default name for the UIManager queue.
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*/
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RCT_EXTERN char *const RCTUIManagerQueueName;
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/**
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* Check if we are currently on UIManager queue.
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*/
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RCT_EXTERN BOOL RCTIsUIManagerQueue(void);
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/**
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* *Asynchronously* executes the specified block on the UIManager queue.
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* Unlike `dispatch_async()` this will execute the block immediately
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* if we're already on the UIManager queue.
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*/
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RCT_EXTERN void RCTExecuteOnUIManagerQueue(dispatch_block_t block);
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/**
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* *Synchorously* executes the specified block on the UIManager queue.
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* Unlike `dispatch_sync()` this will execute the block immediately
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* if we're already on the UIManager queue.
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* Please do not use this unless you really know what you're doing.
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*/
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RCT_EXTERN void RCTUnsafeExecuteOnUIManagerQueueSync(dispatch_block_t block);
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/**
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* Convenience macro for asserting that we're running on UIManager queue.
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*/
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#define RCTAssertUIManagerQueue() RCTAssert(RCTIsUIManagerQueue(), \
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@"This function must be called on the UIManager queue")
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