/*
* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017,
* 2018, 2019
* Jonathan Schleifer <js@heap.zone>
*
* All rights reserved.
*
* This file is part of ObjFW. It may be distributed under the terms of the
* Q Public License 1.0, which can be found in the file LICENSE.QPL included in
* the packaging of this file.
*
* Alternatively, it may be distributed under the terms of the GNU General
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#import "macros.h"
OF_ASSUME_NONNULL_BEGIN
typedef struct of_block_literal_t {
#ifdef __OBJC__
Class isa;
#else
void *isa;
#endif
int flags;
int reserved;
void (*invoke)(void *block, ...);
struct of_block_descriptor_t {
unsigned long reserved;
unsigned long size;
void (*_Nullable copy_helper)(void *dest, void *src);
void (*_Nullable dispose_helper)(void *src);
const char *signature;
} *descriptor;
} of_block_literal_t;
#ifdef __cplusplus
extern "C" {
#endif
extern void *_Block_copy(const void *);
extern void _Block_release(const void *);
# if defined(OF_WINDOWS) && \
(defined(OF_NO_SHARED) || defined(OF_COMPILING_OBJFW))
/*
* Clang has implicit declarations for these, but they are dllimport. When
* compiling ObjFW itself or using it as a static library, these need to be
* dllexport. Interestingly, this still works when using it as a shared library.
*/
extern __declspec(dllexport) struct objc_abi_class _NSConcreteStackBlock;
extern __declspec(dllexport) struct objc_abi_class _NSConcreteGlobalBlock;
extern __declspec(dllexport) void _Block_object_assign(void *, const void *,
const int);
extern __declspec(dllexport) void _Block_object_dispose(const void *,
const int);
# endif
#ifdef __cplusplus
}
#endif
#ifndef Block_copy
# define Block_copy(...) \
((__typeof__(__VA_ARGS__))_Block_copy((const void *)(__VA_ARGS__)))
#endif
#ifndef Block_release
# define Block_release(...) _Block_release((const void *)(__VA_ARGS__))
#endif
OF_ASSUME_NONNULL_END