| /* |
| * Copyright (c) 2011-2012 Apple Inc. All rights reserved. |
| * |
| * @APPLE_APACHE_LICENSE_HEADER_START@ |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| * @APPLE_APACHE_LICENSE_HEADER_END@ |
| */ |
| |
| /* |
| * IMPORTANT: This header file describes INTERNAL interfaces to libdispatch |
| * which are subject to change in future releases of Mac OS X. Any applications |
| * relying on these interfaces WILL break. |
| */ |
| |
| #ifndef __OS_OBJECT_PRIVATE__ |
| #define __OS_OBJECT_PRIVATE__ |
| |
| #include <sys/cdefs.h> |
| #include <stddef.h> |
| #include <os/object.h> |
| |
| #ifndef __OSX_AVAILABLE_STARTING |
| #define __OSX_AVAILABLE_STARTING(x, y) |
| #endif |
| |
| #if __GNUC__ |
| #define OS_OBJECT_NOTHROW __attribute__((__nothrow__)) |
| #define OS_OBJECT_NONNULL __attribute__((__nonnull__)) |
| #define OS_OBJECT_WARN_RESULT __attribute__((__warn_unused_result__)) |
| #define OS_OBJECT_MALLOC __attribute__((__malloc__)) |
| #define OS_OBJECT_EXPORT extern __attribute__((visibility("default"))) |
| #else |
| /*! @parseOnly */ |
| #define OS_OBJECT_NOTHROW |
| /*! @parseOnly */ |
| #define OS_OBJECT_NONNULL |
| /*! @parseOnly */ |
| #define OS_OBJECT_WARN_RESULT |
| /*! @parseOnly */ |
| #define OS_OBJECT_MALLOC |
| #define OS_OBJECT_EXPORT extern |
| #endif |
| |
| #if OS_OBJECT_USE_OBJC && __has_feature(objc_arc) |
| #define _OS_OBJECT_OBJC_ARC 1 |
| #else |
| #define _OS_OBJECT_OBJC_ARC 0 |
| #endif |
| |
| #define _OS_OBJECT_GLOBAL_REFCNT INT_MAX |
| |
| #define _OS_OBJECT_HEADER(isa, ref_cnt, xref_cnt) \ |
| isa; /* must be pointer-sized */ \ |
| int volatile ref_cnt; \ |
| int volatile xref_cnt |
| |
| #if OS_OBJECT_HAVE_OBJC_SUPPORT |
| #define OS_OBJECT_CLASS_SYMBOL(name) OS_##name##_class |
| #if TARGET_OS_MAC && !TARGET_OS_SIMULATOR && defined(__i386__) |
| #define OS_OBJECT_HAVE_OBJC1 1 |
| #define OS_OBJECT_HAVE_OBJC2 0 |
| #define OS_OBJC_CLASS_RAW_SYMBOL_NAME(name) \ |
| ".objc_class_name_" OS_STRINGIFY(name) |
| #define _OS_OBJECT_CLASS_HEADER() \ |
| const void *_os_obj_objc_isa |
| #else |
| #define OS_OBJECT_HAVE_OBJC1 0 |
| #define OS_OBJECT_HAVE_OBJC2 1 |
| #define OS_OBJC_CLASS_RAW_SYMBOL_NAME(name) "_OBJC_CLASS_$_" OS_STRINGIFY(name) |
| // Must match size of compiler-generated OBJC_CLASS structure rdar://10640168 |
| #define _OS_OBJECT_CLASS_HEADER() \ |
| void *_os_obj_objc_class_t[5] |
| #endif |
| #define OS_OBJECT_OBJC_CLASS_DECL(name) \ |
| extern void *OS_OBJECT_CLASS_SYMBOL(name) \ |
| asm(OS_OBJC_CLASS_RAW_SYMBOL_NAME(OS_OBJECT_CLASS(name))) |
| #else |
| #define OS_OBJECT_HAVE_OBJC1 0 |
| #define OS_OBJECT_HAVE_OBJC2 0 |
| #define _OS_OBJECT_CLASS_HEADER() \ |
| void (*_os_obj_xref_dispose)(_os_object_t); \ |
| void (*_os_obj_dispose)(_os_object_t) |
| #endif |
| |
| #define OS_OBJECT_CLASS(name) OS_##name |
| |
| #if OS_OBJECT_USE_OBJC && OS_OBJECT_SWIFT3 |
| @interface OS_OBJECT_CLASS(object) (OSObjectPrivate) |
| - (void)_xref_dispose; |
| - (void)_dispose; |
| @end |
| OS_OBJECT_DECL_PROTOCOL(object, <NSObject>); |
| typedef OS_OBJECT_CLASS(object) *_os_object_t; |
| #define _OS_OBJECT_DECL_SUBCLASS_INTERFACE(name, super) \ |
| @interface OS_OBJECT_CLASS(name) : OS_OBJECT_CLASS(super) \ |
| <OS_OBJECT_CLASS(name)> \ |
| @end |
| #define _OS_OBJECT_DECL_PROTOCOL(name, super) \ |
| OS_OBJECT_DECL_PROTOCOL(name, <OS_OBJECT_CLASS(super)>) |
| #define _OS_OBJECT_CLASS_IMPLEMENTS_PROTOCOL(name, super) \ |
| OS_OBJECT_CLASS_IMPLEMENTS_PROTOCOL(name, super) |
| #elif OS_OBJECT_USE_OBJC |
| __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_6_0) |
| OS_OBJECT_EXPORT |
| @interface OS_OBJECT_CLASS(object) : NSObject |
| - (void)_xref_dispose; |
| - (void)_dispose; |
| @end |
| typedef OS_OBJECT_CLASS(object) *_os_object_t; |
| #define _OS_OBJECT_DECL_SUBCLASS_INTERFACE(name, super) \ |
| @interface OS_OBJECT_CLASS(name) : OS_OBJECT_CLASS(super) \ |
| <OS_OBJECT_CLASS(name)> \ |
| @end |
| #else |
| #define _OS_OBJECT_DECL_SUBCLASS_INTERFACE(name, super) |
| #define _OS_OBJECT_DECL_PROTOCOL(name, super) |
| #define _OS_OBJECT_CLASS_IMPLEMENTS_PROTOCOL(name, super) |
| typedef struct _os_object_s *_os_object_t; |
| #endif |
| |
| OS_ASSUME_NONNULL_BEGIN |
| |
| __BEGIN_DECLS |
| |
| #if !_OS_OBJECT_OBJC_ARC |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_6_0) |
| OS_OBJECT_EXPORT OS_OBJECT_MALLOC OS_OBJECT_WARN_RESULT OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| _os_object_t |
| _os_object_alloc(const void *cls, size_t size); |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_9,__IPHONE_7_0) |
| OS_OBJECT_EXPORT OS_OBJECT_MALLOC OS_OBJECT_WARN_RESULT OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| _os_object_t |
| _os_object_alloc_realized(const void *cls, size_t size); |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_6_0) |
| OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| void _os_object_dealloc(_os_object_t object); |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_6_0) |
| OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| _os_object_t |
| _os_object_retain(_os_object_t object); |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_11,__IPHONE_9_0) |
| OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| _os_object_t |
| _os_object_retain_with_resurrect(_os_object_t obj); |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_6_0) |
| OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| void |
| _os_object_release(_os_object_t object); |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_6_0) |
| OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| _os_object_t |
| _os_object_retain_internal(_os_object_t object); |
| |
| __OSX_AVAILABLE_STARTING(__MAC_10_8,__IPHONE_6_0) |
| OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW |
| OS_SWIFT_UNAVAILABLE("Unavailable in Swift") |
| void |
| _os_object_release_internal(_os_object_t object); |
| |
| #endif // !_OS_OBJECT_OBJC_ARC |
| |
| __END_DECLS |
| |
| OS_ASSUME_NONNULL_END |
| |
| #endif |