/* * 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