1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
#include "CFTargetConditionals.h"
#ifndef _Block_H_
#define _Block_H_
#if !defined(BLOCK_EXPORT)
# if defined(__cplusplus)
# define BLOCK_EXPORT extern "C"
# else
# define BLOCK_EXPORT extern
# endif
#endif
#if __cplusplus
extern "C" {
#endif
// Create a heap based copy of a Block or simply add a reference to an existing one.
// This must be paired with Block_release to recover memory, even when running
// under Objective-C Garbage Collection.
BLOCK_EXPORT void *_Block_copy(const void *aBlock);
// Lose the reference, and if heap based and last reference, recover the memory
BLOCK_EXPORT void _Block_release(const void *aBlock);
// Used by the compiler. Do not call this function yourself.
BLOCK_EXPORT void _Block_object_assign(void *, const void *, const int);
// Used by the compiler. Do not call this function yourself.
BLOCK_EXPORT void _Block_object_dispose(const void *, const int);
// Used by the compiler. Do not use these variables yourself.
BLOCK_EXPORT void * _NSConcreteGlobalBlock[32];
BLOCK_EXPORT void * _NSConcreteStackBlock[32];
#if __cplusplus
}
#endif
// Type correct macros
#define Block_copy(...) ((__typeof(__VA_ARGS__))_Block_copy((const void *)(__VA_ARGS__)))
#define Block_release(...) _Block_release((const void *)(__VA_ARGS__))
#endif
|
