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Telegram/ThirdParty/dispatch/os/object_private.h

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+/*
+ * 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 <os/object.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#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__))
+#ifndef OS_OBJECT_EXPORT
+#define OS_OBJECT_EXPORT extern __attribute__((visibility("default")))
+#endif
+#else
+/*! @parseOnly */
+#define OS_OBJECT_NOTHROW
+/*! @parseOnly */
+#define OS_OBJECT_NONNULL
+/*! @parseOnly */
+#define OS_OBJECT_WARN_RESULT
+/*! @parseOnly */
+#define OS_OBJECT_MALLOC
+#ifndef OS_OBJECT_EXPORT
+/*! @parseOnly */
+#define OS_OBJECT_EXPORT extern
+#endif
+#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
+API_AVAILABLE(macos(10.8), ios(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
+
+API_AVAILABLE(macos(10.8), ios(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);
+
+API_AVAILABLE(macos(10.8), ios(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_realized(const void *cls, size_t size);
+
+API_AVAILABLE(macos(10.8), ios(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);
+
+API_AVAILABLE(macos(10.8), ios(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);
+
+API_AVAILABLE(macos(10.8), ios(6.0))
+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);
+
+API_AVAILABLE(macos(10.8), ios(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);
+
+API_AVAILABLE(macos(10.8), ios(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);
+
+API_AVAILABLE(macos(10.8), ios(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);
+
+API_AVAILABLE(macos(10.13), ios(11.0), tvos(11.0), watchos(4.0))
+OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW
+OS_SWIFT_UNAVAILABLE("Unavailable in Swift")
+_os_object_t
+_os_object_retain_internal_n(_os_object_t object, uint16_t n);
+
+API_AVAILABLE(macos(10.13), ios(11.0), tvos(11.0), watchos(4.0))
+OS_OBJECT_EXPORT OS_OBJECT_NONNULL OS_OBJECT_NOTHROW
+OS_SWIFT_UNAVAILABLE("Unavailable in Swift")
+void
+_os_object_release_internal_n(_os_object_t object, uint16_t n);
+
+#endif // !_OS_OBJECT_OBJC_ARC
+
+__END_DECLS
+
+OS_ASSUME_NONNULL_END
+
+#endif