init

Telegram/ThirdParty/dispatch/os/generic_unix_base.h

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+/*
+ * This source file is part of the Swift.org open source project
+ *
+ * Copyright (c) 2015 Apple Inc. and the Swift project authors
+ *
+ * Licensed under Apache License v2.0 with Runtime Library Exception
+ *
+ * See https://swift.org/LICENSE.txt for license information
+ * See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+ *
+ */
+
+#ifndef __OS_GENERIC_UNIX_BASE__
+#define __OS_GENERIC_UNIX_BASE__
+
+#include <os/generic_base.h>
+
+#if __has_include(<sys/sysmacros.h>)
+#include <sys/sysmacros.h>
+#endif
+
+#if defined(__FreeBSD__)
+#include <libutil.h>
+#include <fcntl.h>
+#endif
+#include <sys/param.h>
+
+#if __has_include(<sys/cdefs.h>)
+#include <sys/cdefs.h>
+#endif
+
+#ifndef API_AVAILABLE
+#define API_AVAILABLE(...)
+#endif
+#ifndef API_DEPRECATED
+#define API_DEPRECATED(...)
+#endif
+#ifndef API_UNAVAILABLE
+#define API_UNAVAILABLE(...)
+#endif
+#ifndef API_DEPRECATED_WITH_REPLACEMENT
+#define API_DEPRECATED_WITH_REPLACEMENT(...)
+#endif
+
+#if __GNUC__
+#define OS_EXPECT(x, v) __builtin_expect((x), (v))
+#define OS_UNUSED __attribute__((__unused__))
+#else
+#define OS_EXPECT(x, v) (x)
+#define OS_UNUSED
+#endif
+
+#ifndef os_likely
+#define os_likely(x) OS_EXPECT(!!(x), 1)
+#endif
+#ifndef os_unlikely
+#define os_unlikely(x) OS_EXPECT(!!(x), 0)
+#endif
+
+#if __has_feature(assume_nonnull)
+#define OS_ASSUME_NONNULL_BEGIN _Pragma("clang assume_nonnull begin")
+#define OS_ASSUME_NONNULL_END   _Pragma("clang assume_nonnull end")
+#else
+#define OS_ASSUME_NONNULL_BEGIN
+#define OS_ASSUME_NONNULL_END
+#endif
+
+#if __has_builtin(__builtin_assume)
+#define OS_COMPILER_CAN_ASSUME(expr) __builtin_assume(expr)
+#else
+#define OS_COMPILER_CAN_ASSUME(expr) ((void)(expr))
+#endif
+
+#if __has_feature(attribute_availability_swift)
+// equivalent to __SWIFT_UNAVAILABLE from Availability.h
+#define OS_SWIFT_UNAVAILABLE(_msg) \
+		__attribute__((__availability__(swift, unavailable, message=_msg)))
+#else
+#define OS_SWIFT_UNAVAILABLE(_msg)
+#endif
+
+#if __has_attribute(swift_private)
+# define OS_REFINED_FOR_SWIFT __attribute__((__swift_private__))
+#else
+# define OS_REFINED_FOR_SWIFT
+#endif
+
+#if __has_attribute(swift_name)
+# define OS_SWIFT_NAME(_name) __attribute__((__swift_name__(#_name)))
+#else
+# define OS_SWIFT_NAME(_name)
+#endif
+
+#define __OS_STRINGIFY(s) #s
+#define OS_STRINGIFY(s) __OS_STRINGIFY(s)
+#define __OS_CONCAT(x, y) x ## y
+#define OS_CONCAT(x, y) __OS_CONCAT(x, y)
+
+#if __has_feature(objc_fixed_enum) || __has_extension(cxx_strong_enums)
+#define OS_ENUM(_name, _type, ...) \
+typedef enum : _type { __VA_ARGS__ } _name##_t
+#else
+#define OS_ENUM(_name, _type, ...) \
+enum { __VA_ARGS__ }; typedef _type _name##_t
+#endif
+
+/*
+ * Stub out misc linking and compilation attributes
+ */
+
+#ifdef OS_EXPORT
+#undef OS_EXPORT
+#endif
+#define OS_EXPORT
+
+#ifdef OS_WARN_RESULT_NEEDS_RELEASE
+#undef OS_WARN_RESULT_NEEDS_RELEASE
+#endif
+
+#ifdef OS_WARN_RESULT
+#undef OS_WARN_RESULT
+#endif
+#define OS_WARN_RESULT
+
+#ifdef OS_NOTHROW
+#undef OS_NOTHROW
+#endif
+#define OS_NOTHROW
+
+#endif /* __OS_GENERIC_UNIX_BASE__ */