/*
- * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright 1995 NeXT Computer, Inc. All rights reserved. */
* @(#)cdefs.h 8.8 (Berkeley) 1/9/95
*/
-#ifndef _CDEFS_H_
-#define _CDEFS_H_
+#ifndef _CDEFS_H_
+#define _CDEFS_H_
#if defined(__cplusplus)
-#define __BEGIN_DECLS extern "C" {
-#define __END_DECLS }
+#define __BEGIN_DECLS extern "C" {
+#define __END_DECLS }
#else
-#define __BEGIN_DECLS
-#define __END_DECLS
+#define __BEGIN_DECLS
+#define __END_DECLS
+#endif
+
+/* This SDK is designed to work with clang and specific versions of
+ * gcc >= 4.0 with Apple's patch sets */
+#if !defined(__GNUC__) || __GNUC__ < 4
+#warning "Unsupported compiler detected"
+#endif
+
+/*
+ * Compatibility with compilers and environments that don't support compiler
+ * feature checking function-like macros.
+ */
+#ifndef __has_builtin
+#define __has_builtin(x) 0
+#endif
+#ifndef __has_include
+#define __has_include(x) 0
+#endif
+#ifndef __has_feature
+#define __has_feature(x) 0
+#endif
+#ifndef __has_attribute
+#define __has_attribute(x) 0
+#endif
+#ifndef __has_extension
+#define __has_extension(x) 0
#endif
/*
* strings produced by the __STRING macro, but this only works with ANSI C.
*/
#if defined(__STDC__) || defined(__cplusplus)
-#define __P(protos) protos /* full-blown ANSI C */
-#define __CONCAT(x,y) x ## y
-#define __STRING(x) #x
+#define __P(protos) protos /* full-blown ANSI C */
+#define __CONCAT(x, y) x ## y
+#define __STRING(x) #x
-#define __const const /* define reserved names to standard */
-#define __signed signed
-#define __volatile volatile
+#define __const const /* define reserved names to standard */
+#define __signed signed
+#define __volatile volatile
#if defined(__cplusplus)
-#define __inline inline /* convert to C++ keyword */
+#define __inline inline /* convert to C++ keyword */
#else
#ifndef __GNUC__
-#define __inline /* delete GCC keyword */
+#define __inline /* delete GCC keyword */
#endif /* !__GNUC__ */
#endif /* !__cplusplus */
-#else /* !(__STDC__ || __cplusplus) */
-#define __P(protos) () /* traditional C preprocessor */
-#define __CONCAT(x,y) x/**/y
-#define __STRING(x) "x"
+#else /* !(__STDC__ || __cplusplus) */
+#define __P(protos) () /* traditional C preprocessor */
+#define __CONCAT(x, y) x /**/ y
+#define __STRING(x) "x"
#ifndef __GNUC__
-#define __const /* delete pseudo-ANSI C keywords */
-#define __inline
-#define __signed
-#define __volatile
-#endif /* !__GNUC__ */
+#define __const /* delete pseudo-ANSI C keywords */
+#define __inline
+#define __signed
+#define __volatile
+#endif /* !__GNUC__ */
/*
* In non-ANSI C environments, new programs will want ANSI-only C keywords
* When using "gcc -traditional", we assume that this is the intent; if
* __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
*/
-#ifndef NO_ANSI_KEYWORDS
-#define const __const /* convert ANSI C keywords */
-#define inline __inline
-#define signed __signed
-#define volatile __volatile
+#ifndef NO_ANSI_KEYWORDS
+#define const __const /* convert ANSI C keywords */
+#define inline __inline
+#define signed __signed
+#define volatile __volatile
#endif /* !NO_ANSI_KEYWORDS */
#endif /* !(__STDC__ || __cplusplus) */
-/*
- * GCC1 and some versions of GCC2 declare dead (non-returning) and
- * pure (no side effects) functions using "volatile" and "const";
- * unfortunately, these then cause warnings under "-ansi -pedantic".
- * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of
- * these work for GNU C++ (modulo a slight glitch in the C++ grammar
- * in the distribution version of 2.5.5).
- */
-#if defined(__MWERKS__) && (__MWERKS__ > 0x2400)
- /* newer Metrowerks compilers support __attribute__() */
-#elif __GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 5
-#define __dead2 __attribute__((__noreturn__))
-#define __pure2 __attribute__((__const__))
-#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7
-#define __unused /* no attribute */
+#define __dead2 __attribute__((__noreturn__))
+#define __pure2 __attribute__((__const__))
+
+/* __unused denotes variables and functions that may not be used, preventing
+ * the compiler from warning about it if not used.
+ */
+#define __unused __attribute__((__unused__))
+
+/* __used forces variables and functions to be included even if it appears
+ * to the compiler that they are not used (and would thust be discarded).
+ */
+#define __used __attribute__((__used__))
+
+/* __cold marks code used for debugging or that is rarely taken
+ * and tells the compiler to optimize for size and outline code.
+ */
+#if __has_attribute(cold)
+#define __cold __attribute__((__cold__))
#else
-#define __unused __attribute__((__unused__))
+#define __cold
#endif
+
+/* __deprecated causes the compiler to produce a warning when encountering
+ * code using the deprecated functionality.
+ * __deprecated_msg() does the same, and compilers that support it will print
+ * a message along with the deprecation warning.
+ * This may require turning on such warning with the -Wdeprecated flag.
+ * __deprecated_enum_msg() should be used on enums, and compilers that support
+ * it will print the deprecation warning.
+ * __kpi_deprecated() specifically indicates deprecation of kernel programming
+ * interfaces in Kernel.framework used by KEXTs.
+ */
+#define __deprecated __attribute__((__deprecated__))
+
+#if __has_extension(attribute_deprecated_with_message) || \
+ (defined(__GNUC__) && ((__GNUC__ >= 5) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 5))))
+ #define __deprecated_msg(_msg) __attribute__((__deprecated__(_msg)))
#else
-#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */
-#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
-/* __dead and __pure are depreciated. Use __dead2 and __pure2 instead */
-#define __dead __volatile
-#define __pure __const
+ #define __deprecated_msg(_msg) __attribute__((__deprecated__))
#endif
+
+#if __has_extension(enumerator_attributes)
+ #define __deprecated_enum_msg(_msg) __deprecated_msg(_msg)
+#else
+ #define __deprecated_enum_msg(_msg)
#endif
+#if defined(KERNEL) && !defined(KERNEL_PRIVATE)
+#define __kpi_deprecated(_msg) __deprecated_msg(_msg)
+#else /* !defined(KERNEL) || defined(KERNEL_PRIVATE) */
+#define __kpi_deprecated(_msg)
+#endif /* !defined(KERNEL) || defined(KERNEL_PRIVATE) */
+
+/* __unavailable causes the compiler to error out when encountering
+ * code using the tagged function of variable.
+ */
+#define __unavailable __attribute__((__unavailable__))
+
/* Delete pseudo-keywords wherever they are not available or needed. */
#ifndef __dead
-#define __dead
-#define __pure
-#endif
-#ifndef __dead2
-#define __dead2
-#define __pure2
-#define __unused
+#define __dead
+#define __pure
#endif
/*
- * GCC 2.95 provides `__restrict' as an extension to C90 to support the
- * C99-specific `restrict' type qualifier. We happen to use `__restrict' as
- * a way to define the `restrict' type qualifier without disturbing older
- * software that is unaware of C99 keywords.
+ * We use `__restrict' as a way to define the `restrict' type qualifier
+ * without disturbing older software that is unaware of C99 keywords.
*/
-#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95)
#if __STDC_VERSION__ < 199901
#define __restrict
#else
-#define __restrict restrict
+#define __restrict restrict
+#endif
+
+/* Compatibility with compilers and environments that don't support the
+ * nullability feature.
+ */
+
+#if !__has_feature(nullability)
+#ifndef __nullable
+#define __nullable
+#endif
+#ifndef __nonnull
+#define __nonnull
+#endif
+#ifndef __null_unspecified
+#define __null_unspecified
+#endif
+#ifndef _Nullable
+#define _Nullable
+#endif
+#ifndef _Nonnull
+#define _Nonnull
+#endif
+#ifndef _Null_unspecified
+#define _Null_unspecified
+#endif
+#endif
+
+/*
+ * __disable_tail_calls causes the compiler to not perform tail call
+ * optimization inside the marked function.
+ */
+#if __has_attribute(disable_tail_calls)
+#define __disable_tail_calls __attribute__((__disable_tail_calls__))
+#else
+#define __disable_tail_calls
#endif
+
+/*
+ * __not_tail_called causes the compiler to prevent tail call optimization
+ * on statically bound calls to the function. It has no effect on indirect
+ * calls. Virtual functions, objective-c methods, and functions marked as
+ * "always_inline" cannot be marked as __not_tail_called.
+ */
+#if __has_attribute(not_tail_called)
+#define __not_tail_called __attribute__((__not_tail_called__))
+#else
+#define __not_tail_called
+#endif
+
+/*
+ * __result_use_check warns callers of a function that not using the function
+ * return value is a bug, i.e. dismissing malloc() return value results in a
+ * memory leak.
+ */
+#if __has_attribute(warn_unused_result)
+#define __result_use_check __attribute__((__warn_unused_result__))
+#else
+#define __result_use_check
+#endif
+
+/*
+ * __swift_unavailable causes the compiler to mark a symbol as specifically
+ * unavailable in Swift, regardless of any other availability in C.
+ */
+#if __has_feature(attribute_availability_swift)
+#define __swift_unavailable(_msg) __attribute__((__availability__(swift, unavailable, message=_msg)))
+#else
+#define __swift_unavailable(_msg)
+#endif
+
+/*
+ * __abortlike is the attribute to put on functions like abort() that are
+ * typically used to mark assertions. These optimize the codegen
+ * for outlining while still maintaining debugability.
+ */
+#ifndef __abortlike
+#define __abortlike __dead2 __cold __not_tail_called
+#endif
+
+/* Declaring inline functions within headers is error-prone due to differences
+ * across various versions of the C language and extensions. __header_inline
+ * can be used to declare inline functions within system headers. In cases
+ * where you want to force inlining instead of letting the compiler make
+ * the decision, you can use __header_always_inline.
+ *
+ * Be aware that using inline for functions which compilers may also provide
+ * builtins can behave differently under various compilers. If you intend to
+ * provide an inline version of such a function, you may want to use a macro
+ * instead.
+ *
+ * The check for !__GNUC__ || __clang__ is because gcc doesn't correctly
+ * support c99 inline in some cases:
+ * http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55965
+ */
+
+#if defined(__cplusplus) || \
+ (__STDC_VERSION__ >= 199901L && \
+ !defined(__GNUC_GNU_INLINE__) && \
+ (!defined(__GNUC__) || defined(__clang__)))
+# define __header_inline inline
+#elif defined(__GNUC__) && defined(__GNUC_STDC_INLINE__)
+# define __header_inline extern __inline __attribute__((__gnu_inline__))
+#elif defined(__GNUC__)
+# define __header_inline extern __inline
+#else
+/* If we land here, we've encountered an unsupported compiler,
+ * so hopefully it understands static __inline as a fallback.
+ */
+# define __header_inline static __inline
+#endif
+
+#ifdef __GNUC__
+# define __header_always_inline __header_inline __attribute__ ((__always_inline__))
+#else
+/* Unfortunately, we're using a compiler that we don't know how to force to
+ * inline. Oh well.
+ */
+# define __header_always_inline __header_inline
+#endif
+
+/*
+ * Compiler-dependent macros that bracket portions of code where the
+ * "-Wunreachable-code" warning should be ignored. Please use sparingly.
+ */
+#if defined(__clang__)
+# define __unreachable_ok_push \
+ _Pragma("clang diagnostic push") \
+ _Pragma("clang diagnostic ignored \"-Wunreachable-code\"")
+# define __unreachable_ok_pop \
+ _Pragma("clang diagnostic pop")
+#elif defined(__GNUC__) && ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# define __unreachable_ok_push \
+ _Pragma("GCC diagnostic push") \
+ _Pragma("GCC diagnostic ignored \"-Wunreachable-code\"")
+# define __unreachable_ok_pop \
+ _Pragma("GCC diagnostic pop")
+#else
+# define __unreachable_ok_push
+# define __unreachable_ok_pop
#endif
/*
* mismatch between the format string and subsequent function parameter
* types.
*/
-#if __GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 7
#define __printflike(fmtarg, firstvararg) \
- __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
+ __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
+#define __printf0like(fmtarg, firstvararg) \
+ __attribute__((__format__ (__printf0__, fmtarg, firstvararg)))
#define __scanflike(fmtarg, firstvararg) \
- __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
-#else
-#define __printflike(fmtarg, firstvararg)
-#define __scanflike(fmtarg, firstvararg)
-#endif
+ __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
-#define __IDSTRING(name,string) static const char name[] __unused = string
+#define __IDSTRING(name, string) static const char name[] __used = string
#ifndef __COPYRIGHT
#define __COPYRIGHT(s) __IDSTRING(copyright,s)
#define __PROJECT_VERSION(s) __IDSTRING(project_version,s)
#endif
+/* Source compatibility only, ID string not emitted in object file */
+#ifndef __FBSDID
+#define __FBSDID(s)
+#endif
+
+#ifndef __DECONST
+#define __DECONST(type, var) __CAST_AWAY_QUALIFIER(var, const, type)
+#endif
+
+#ifndef __DEVOLATILE
+#define __DEVOLATILE(type, var) __CAST_AWAY_QUALIFIER(var, volatile, type)
+#endif
+
+#ifndef __DEQUALIFY
+#define __DEQUALIFY(type, var) __CAST_AWAY_QUALIFIER(var, const volatile, type)
+#endif
+
/*
- * The __DARWIN_ALIAS macros is used to do symbol renaming,
- * they allow old code to use the old symbol thus maintiang binary
- * compatability while new code can use a new improved version of the
- * same function.
+ * __alloc_size can be used to label function arguments that represent the
+ * size of memory that the function allocates and returns. The one-argument
+ * form labels a single argument that gives the allocation size (where the
+ * arguments are numbered from 1):
+ *
+ * void *malloc(size_t __size) __alloc_size(1);
+ *
+ * The two-argument form handles the case where the size is calculated as the
+ * product of two arguments:
+ *
+ * void *calloc(size_t __count, size_t __size) __alloc_size(1,2);
+ */
+#ifndef __alloc_size
+#if __has_attribute(alloc_size)
+#define __alloc_size(...) __attribute__((alloc_size(__VA_ARGS__)))
+#else
+#define __alloc_size(...)
+#endif
+#endif // __alloc_size
+
+/*
+ * COMPILATION ENVIRONMENTS -- see compat(5) for additional detail
+ *
+ * DEFAULT By default newly complied code will get POSIX APIs plus
+ * Apple API extensions in scope.
+ *
+ * Most users will use this compilation environment to avoid
+ * behavioral differences between 32 and 64 bit code.
+ *
+ * LEGACY Defining _NONSTD_SOURCE will get pre-POSIX APIs plus Apple
+ * API extensions in scope.
+ *
+ * This is generally equivalent to the Tiger release compilation
+ * environment, except that it cannot be applied to 64 bit code;
+ * its use is discouraged.
+ *
+ * We expect this environment to be deprecated in the future.
*
- * By default newly complied code will actually get the same symbols
- * that the old code did. Defining any of _APPLE_C_SOURCE, _XOPEN_SOURCE,
- * or _POSIX_C_SOURCE will give you the new symbols. Defining _XOPEN_SOURCE
- * or _POSIX_C_SOURCE also restricts the avilable symbols to a subset of
- * Apple's APIs.
+ * STRICT Defining _POSIX_C_SOURCE or _XOPEN_SOURCE restricts the
+ * available APIs to exactly the set of APIs defined by the
+ * corresponding standard, based on the value defined.
+ *
+ * A correct, portable definition for _POSIX_C_SOURCE is 200112L.
+ * A correct, portable definition for _XOPEN_SOURCE is 600L.
+ *
+ * Apple API extensions are not visible in this environment,
+ * which can cause Apple specific code to fail to compile,
+ * or behave incorrectly if prototypes are not in scope or
+ * warnings about missing prototypes are not enabled or ignored.
+ *
+ * In any compilation environment, for correct symbol resolution to occur,
+ * function prototypes must be in scope. It is recommended that all Apple
+ * tools users add either the "-Wall" or "-Wimplicit-function-declaration"
+ * compiler flags to their projects to be warned when a function is being
+ * used without a prototype in scope.
+ */
+
+/* These settings are particular to each product. */
+#ifdef KERNEL
+#define __DARWIN_ONLY_64_BIT_INO_T 0
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 0
+#define __DARWIN_ONLY_VERS_1050 0
+#if defined(__x86_64__)
+#define __DARWIN_SUF_DARWIN14 "_darwin14"
+#define __DARWIN14_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_DARWIN14)
+#else
+#define __DARWIN14_ALIAS(sym)
+#endif
+#else /* !KERNEL */
+#ifdef PLATFORM_iPhoneOS
+/* Platform: iPhoneOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_iPhoneOS */
+#ifdef PLATFORM_iPhoneSimulator
+/* Platform: iPhoneSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_iPhoneSimulator */
+#ifdef PLATFORM_tvOS
+/* Platform: tvOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_tvOS */
+#ifdef PLATFORM_AppleTVOS
+/* Platform: AppleTVOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_AppleTVOS */
+#ifdef PLATFORM_tvSimulator
+/* Platform: tvSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_tvSimulator */
+#ifdef PLATFORM_AppleTVSimulator
+/* Platform: AppleTVSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_AppleTVSimulator */
+#ifdef PLATFORM_iPhoneOSNano
+/* Platform: iPhoneOSNano */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_iPhoneOSNano */
+#ifdef PLATFORM_iPhoneNanoSimulator
+/* Platform: iPhoneNanoSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_iPhoneNanoSimulator */
+#ifdef PLATFORM_WatchOS
+/* Platform: WatchOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_WatchOS */
+#ifdef PLATFORM_WatchSimulator
+/* Platform: WatchSimulator */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_WatchSimulator */
+#ifdef PLATFORM_BridgeOS
+/* Platform: BridgeOS */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_BridgeOS */
+#ifdef PLATFORM_DriverKit
+/* Platform: DriverKit */
+#define __DARWIN_ONLY_64_BIT_INO_T 1
+#define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+#define __DARWIN_ONLY_VERS_1050 1
+#endif /* PLATFORM_DriverKit */
+#ifdef PLATFORM_MacOSX
+/* Platform: MacOSX */
+#define __DARWIN_ONLY_64_BIT_INO_T 0
+/* #undef __DARWIN_ONLY_UNIX_CONFORMANCE (automatically set for 64-bit) */
+#define __DARWIN_ONLY_VERS_1050 0
+#endif /* PLATFORM_MacOSX */
+#endif /* KERNEL */
+
+/*
+ * The __DARWIN_ALIAS macros are used to do symbol renaming; they allow
+ * legacy code to use the old symbol, thus maintaining binary compatibility
+ * while new code can use a standards compliant version of the same function.
*
* __DARWIN_ALIAS is used by itself if the function signature has not
* changed, it is used along with a #ifdef check for __DARWIN_UNIX03
- * if the signature has changed. Because the __LP64__ enviroment
- * only supports UNIX03 sementics it causes __DARWIN_UNIX03 to be
+ * if the signature has changed. Because the __LP64__ environment
+ * only supports UNIX03 semantics it causes __DARWIN_UNIX03 to be
* defined, but causes __DARWIN_ALIAS to do no symbol mangling.
+ *
+ * As a special case, when XCode is used to target a specific version of the
+ * OS, the manifest constant __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__
+ * will be defined by the compiler, with the digits representing major version
+ * time 100 + minor version times 10 (e.g. 10.5 := 1050). If we are targeting
+ * pre-10.5, and it is the default compilation environment, revert the
+ * compilation environment to pre-__DARWIN_UNIX03.
*/
+#if !defined(__DARWIN_ONLY_UNIX_CONFORMANCE)
+# if defined(__LP64__)
+# define __DARWIN_ONLY_UNIX_CONFORMANCE 1
+# else /* !__LP64__ */
+# define __DARWIN_ONLY_UNIX_CONFORMANCE 0
+# endif /* __LP64__ */
+#endif /* !__DARWIN_ONLY_UNIX_CONFORMANCE */
#if !defined(__DARWIN_UNIX03)
-#if defined(_APPLE_C_SOURCE) || defined(_XOPEN_SOURCE) || defined(_POSIX_C_SOURCE) || defined(__LP64__)
-#if defined(_NONSTD_SOURCE)
-#error "Can't define both _NONSTD_SOURCE and any of _APPLE_C_SOURCE, _XOPEN_SOURCE, _POSIX_C_SOURCE, or __LP64__"
-#endif /* _NONSTD_SOURCE */
-#define __DARWIN_UNIX03 1
-#elif defined(_NONSTD_SOURCE)
-#define __DARWIN_UNIX03 0
-#else /* default */
-#define __DARWIN_UNIX03 0
-#endif /* _APPLE_C_SOURCE || _XOPEN_SOURCE || _POSIX_C_SOURCE || __LP64__ */
+# if defined(KERNEL)
+# define __DARWIN_UNIX03 0
+# elif __DARWIN_ONLY_UNIX_CONFORMANCE
+# if defined(_NONSTD_SOURCE)
+# error "Can't define _NONSTD_SOURCE when only UNIX conformance is available."
+# endif /* _NONSTD_SOURCE */
+# define __DARWIN_UNIX03 1
+# elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ - 0) < 1040)
+# define __DARWIN_UNIX03 0
+# elif defined(_DARWIN_C_SOURCE) || defined(_XOPEN_SOURCE) || defined(_POSIX_C_SOURCE)
+# if defined(_NONSTD_SOURCE)
+# error "Can't define both _NONSTD_SOURCE and any of _DARWIN_C_SOURCE, _XOPEN_SOURCE or _POSIX_C_SOURCE."
+# endif /* _NONSTD_SOURCE */
+# define __DARWIN_UNIX03 1
+# elif defined(_NONSTD_SOURCE)
+# define __DARWIN_UNIX03 0
+# else /* default */
+# if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ - 0) < 1050)
+# define __DARWIN_UNIX03 0
+# else /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 */
+# define __DARWIN_UNIX03 1
+# endif /* __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ >= 1050 */
+# endif /* _DARWIN_C_SOURCE || _XOPEN_SOURCE || _POSIX_C_SOURCE || __LP64__ */
#endif /* !__DARWIN_UNIX03 */
-#if __DARWIN_UNIX03 && !defined(__LP64__)
-#define __DARWIN_ALIAS(sym) __asm("_" __STRING(sym) "$UNIX2003")
+#if !defined(__DARWIN_64_BIT_INO_T)
+# if defined(KERNEL)
+# define __DARWIN_64_BIT_INO_T 0
+# elif defined(_DARWIN_USE_64_BIT_INODE)
+# if defined(_DARWIN_NO_64_BIT_INODE)
+# error "Can't define both _DARWIN_USE_64_BIT_INODE and _DARWIN_NO_64_BIT_INODE."
+# endif /* _DARWIN_NO_64_BIT_INODE */
+# define __DARWIN_64_BIT_INO_T 1
+# elif defined(_DARWIN_NO_64_BIT_INODE)
+# if __DARWIN_ONLY_64_BIT_INO_T
+# error "Can't define _DARWIN_NO_64_BIT_INODE when only 64-bit inodes are available."
+# endif /* __DARWIN_ONLY_64_BIT_INO_T */
+# define __DARWIN_64_BIT_INO_T 0
+# else /* default */
+# if __DARWIN_ONLY_64_BIT_INO_T
+# define __DARWIN_64_BIT_INO_T 1
+# elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ - 0) < 1060) || __DARWIN_UNIX03 == 0
+# define __DARWIN_64_BIT_INO_T 0
+# else /* default */
+# define __DARWIN_64_BIT_INO_T 1
+# endif /* __DARWIN_ONLY_64_BIT_INO_T */
+# endif
+#endif /* !__DARWIN_64_BIT_INO_T */
+
+#if !defined(__DARWIN_VERS_1050)
+# if defined(KERNEL)
+# define __DARWIN_VERS_1050 0
+# elif __DARWIN_ONLY_VERS_1050
+# define __DARWIN_VERS_1050 1
+# elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && ((__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ - 0) < 1050) || __DARWIN_UNIX03 == 0
+# define __DARWIN_VERS_1050 0
+# else /* default */
+# define __DARWIN_VERS_1050 1
+# endif
+#endif /* !__DARWIN_VERS_1050 */
+
+#if !defined(__DARWIN_NON_CANCELABLE)
+# if defined(KERNEL)
+# define __DARWIN_NON_CANCELABLE 0
+# else /* default */
+# define __DARWIN_NON_CANCELABLE 0
+# endif
+#endif /* !__DARWIN_NON_CANCELABLE */
+
+/*
+ * symbol suffixes used for symbol versioning
+ */
+#if __DARWIN_UNIX03
+# if __DARWIN_ONLY_UNIX_CONFORMANCE
+# define __DARWIN_SUF_UNIX03 /* nothing */
+# else /* !__DARWIN_ONLY_UNIX_CONFORMANCE */
+# define __DARWIN_SUF_UNIX03 "$UNIX2003"
+# endif /* __DARWIN_ONLY_UNIX_CONFORMANCE */
+
+# if __DARWIN_64_BIT_INO_T
+# if __DARWIN_ONLY_64_BIT_INO_T
+# define __DARWIN_SUF_64_BIT_INO_T /* nothing */
+# else /* !__DARWIN_ONLY_64_BIT_INO_T */
+# define __DARWIN_SUF_64_BIT_INO_T "$INODE64"
+# endif /* __DARWIN_ONLY_64_BIT_INO_T */
+# else /* !__DARWIN_64_BIT_INO_T */
+# define __DARWIN_SUF_64_BIT_INO_T /* nothing */
+# endif /* __DARWIN_64_BIT_INO_T */
+
+# if __DARWIN_VERS_1050
+# if __DARWIN_ONLY_VERS_1050
+# define __DARWIN_SUF_1050 /* nothing */
+# else /* !__DARWIN_ONLY_VERS_1050 */
+# define __DARWIN_SUF_1050 "$1050"
+# endif /* __DARWIN_ONLY_VERS_1050 */
+# else /* !__DARWIN_VERS_1050 */
+# define __DARWIN_SUF_1050 /* nothing */
+# endif /* __DARWIN_VERS_1050 */
+
+# if __DARWIN_NON_CANCELABLE
+# define __DARWIN_SUF_NON_CANCELABLE "$NOCANCEL"
+# else /* !__DARWIN_NON_CANCELABLE */
+# define __DARWIN_SUF_NON_CANCELABLE /* nothing */
+# endif /* __DARWIN_NON_CANCELABLE */
+
+#else /* !__DARWIN_UNIX03 */
+# define __DARWIN_SUF_UNIX03 /* nothing */
+# define __DARWIN_SUF_64_BIT_INO_T /* nothing */
+# define __DARWIN_SUF_NON_CANCELABLE /* nothing */
+# define __DARWIN_SUF_1050 /* nothing */
+#endif /* __DARWIN_UNIX03 */
+
+#define __DARWIN_SUF_EXTSN "$DARWIN_EXTSN"
+
+/*
+ * symbol versioning macros
+ */
+#define __DARWIN_ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_UNIX03)
+#define __DARWIN_ALIAS_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_NON_CANCELABLE __DARWIN_SUF_UNIX03)
+#define __DARWIN_ALIAS_I(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T __DARWIN_SUF_UNIX03)
+#define __DARWIN_NOCANCEL(sym) __asm("_" __STRING(sym) __DARWIN_SUF_NON_CANCELABLE)
+#define __DARWIN_INODE64(sym) __asm("_" __STRING(sym) __DARWIN_SUF_64_BIT_INO_T)
+
+#define __DARWIN_1050(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050)
+#define __DARWIN_1050ALIAS(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_UNIX03)
+#define __DARWIN_1050ALIAS_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_NON_CANCELABLE __DARWIN_SUF_UNIX03)
+#define __DARWIN_1050ALIAS_I(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_64_BIT_INO_T __DARWIN_SUF_UNIX03)
+#define __DARWIN_1050INODE64(sym) __asm("_" __STRING(sym) __DARWIN_SUF_1050 __DARWIN_SUF_64_BIT_INO_T)
+
+#define __DARWIN_EXTSN(sym) __asm("_" __STRING(sym) __DARWIN_SUF_EXTSN)
+#define __DARWIN_EXTSN_C(sym) __asm("_" __STRING(sym) __DARWIN_SUF_EXTSN __DARWIN_SUF_NON_CANCELABLE)
+#if XNU_KERNEL_PRIVATE
+#define __XNU_INTERNAL(sym) __asm("_" __STRING(sym) "$XNU_INTERNAL")
+#endif
+
+/*
+ * symbol release macros
+ */
+#ifdef KERNEL
+#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x)
#else
-#define __DARWIN_ALIAS(sym)
+#include <sys/_symbol_aliasing.h>
+
+#if defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__)
+#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) __DARWIN_ALIAS_STARTING_IPHONE_##_iphone(x)
+#elif defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__)
+#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) __DARWIN_ALIAS_STARTING_MAC_##_mac(x)
+#else
+#define __DARWIN_ALIAS_STARTING(_mac, _iphone, x) x
#endif
+#endif /* KERNEL */
/*
* _POSIX_C_SOURCE == 199506L 1003.1c-1995, 1003.1i-1995,
* and the omnibus ISO/IEC 9945-1: 1996
* _POSIX_C_SOURCE == 200112L 1003.1-2001
+ * _POSIX_C_SOURCE == 200809L 1003.1-2008
*
* In addition, the X/Open Portability Guide, which is now the Single UNIX
* Specification, defines a feature-test macro which indicates the version of
/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1L. */
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1L
#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199009L
+#define _POSIX_C_SOURCE 199009L
#endif
/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2L. */
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2L
#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199209L
+#define _POSIX_C_SOURCE 199209L
#endif
/* Deal with various X/Open Portability Guides and Single UNIX Spec. */
#ifdef _XOPEN_SOURCE
-#if _XOPEN_SOURCE - 0L >= 600L
+#if _XOPEN_SOURCE - 0L >= 700L && (!defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE - 0L < 200809L)
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE 200809L
+#elif _XOPEN_SOURCE - 0L >= 600L && (!defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE - 0L < 200112L)
#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 200112L
-#elif _XOPEN_SOURCE - 0L >= 500L
+#define _POSIX_C_SOURCE 200112L
+#elif _XOPEN_SOURCE - 0L >= 500L && (!defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE - 0L < 199506L)
#undef _POSIX_C_SOURCE
-#define _POSIX_C_SOURCE 199506L
+#define _POSIX_C_SOURCE 199506L
#endif
#endif
#define _POSIX_C_SOURCE 198808L
#endif
+/* POSIX C deprecation macros */
+#ifdef KERNEL
+#define __POSIX_C_DEPRECATED(ver)
+#else
+#include <sys/_posix_availability.h>
+
+#define __POSIX_C_DEPRECATED(ver) ___POSIX_C_DEPRECATED_STARTING_##ver
+#endif
+
+/*
+ * Set a single macro which will always be defined and can be used to determine
+ * the appropriate namespace. For POSIX, these values will correspond to
+ * _POSIX_C_SOURCE value. Currently there are two additional levels corresponding
+ * to ANSI (_ANSI_SOURCE) and Darwin extensions (_DARWIN_C_SOURCE)
+ */
+#define __DARWIN_C_ANSI 010000L
+#define __DARWIN_C_FULL 900000L
+
+#if defined(_ANSI_SOURCE)
+#define __DARWIN_C_LEVEL __DARWIN_C_ANSI
+#elif defined(_POSIX_C_SOURCE) && !defined(_DARWIN_C_SOURCE) && !defined(_NONSTD_SOURCE)
+#define __DARWIN_C_LEVEL _POSIX_C_SOURCE
+#else
+#define __DARWIN_C_LEVEL __DARWIN_C_FULL
+#endif
+
+/* If the developer has neither requested a strict language mode nor a version
+ * of POSIX, turn on functionality provided by __STDC_WANT_LIB_EXT1__ as part
+ * of __DARWIN_C_FULL.
+ */
+#if !defined(__STDC_WANT_LIB_EXT1__) && !defined(__STRICT_ANSI__) && __DARWIN_C_LEVEL >= __DARWIN_C_FULL
+#define __STDC_WANT_LIB_EXT1__ 1
+#endif
+
/*
* long long is not supported in c89 (__STRICT_ANSI__), but g++ -ansi and
* c99 still want long longs. While not perfect, we allow long longs for
* g++.
*/
-#define __DARWIN_NO_LONG_LONG (defined(__STRICT_ANSI__) \
- && (__STDC_VERSION__-0 < 199901L) \
- && !defined(__GNUG__))
-
-/*
- * Long double compatibility macro allow selecting variant symbols based
- * on the old (compatible) 64-bit long doubles, or the new 128-bit
- * long doubles. This applies only to ppc; i386 already has long double
- * support, while ppc64 doesn't have any backwards history.
- */
-#if defined(__ppc__)
-# if defined(__LDBL_MANT_DIG__) && defined(__DBL_MANT_DIG__) && \
- __LDBL_MANT_DIG__ > __DBL_MANT_DIG__
-# if __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__-0 < 1040
-# define __DARWIN_LDBL_COMPAT(x) __asm("_" __STRING(x) "$LDBLStub")
-# else
-# define __DARWIN_LDBL_COMPAT(x) __asm("_" __STRING(x) "$LDBL128")
-# endif
-# define __DARWIN_LDBL_COMPAT2(x) __asm("_" __STRING(x) "$LDBL128")
-# define __DARWIN_LONG_DOUBLE_IS_DOUBLE 0
-# else
-# define __DARWIN_LDBL_COMPAT(x) /* nothing */
-# define __DARWIN_LDBL_COMPAT2(x) /* nothing */
-# define __DARWIN_LONG_DOUBLE_IS_DOUBLE 1
-# endif
-#elif defined(__i386__) || defined(__ppc64__)
-# define __DARWIN_LDBL_COMPAT(x) /* nothing */
-# define __DARWIN_LDBL_COMPAT2(x) /* nothing */
-# define __DARWIN_LONG_DOUBLE_IS_DOUBLE 0
+#if (defined(__STRICT_ANSI__) && (__STDC_VERSION__ - 0 < 199901L) && !defined(__GNUG__))
+#define __DARWIN_NO_LONG_LONG 1
#else
-# error Unknown architecture
+#define __DARWIN_NO_LONG_LONG 0
#endif
+/*****************************************
+* Public darwin-specific feature macros
+*****************************************/
+
/*
- * Structure alignment control macros. These specify how certain
- * shared structures should be aligned. Some may need backward
- * compatible legacy (POWER) alignment, while others may need
- * forward compatible (NATURAL) alignment.
+ * _DARWIN_FEATURE_64_BIT_INODE indicates that the ino_t type is 64-bit, and
+ * structures modified for 64-bit inodes (like struct stat) will be used.
*/
-#if !defined(__DARWIN_ALIGN_POWER)
-#if defined(__ppc64__)
-#define __DARWIN_ALIGN_POWER 1
+#if __DARWIN_64_BIT_INO_T
+#define _DARWIN_FEATURE_64_BIT_INODE 1
+#endif
+
+/*
+ * _DARWIN_FEATURE_64_ONLY_BIT_INODE indicates that the ino_t type may only
+ * be 64-bit; there is no support for 32-bit ino_t when this macro is defined
+ * (and non-zero). There is no struct stat64 either, as the regular
+ * struct stat will already be the 64-bit version.
+ */
+#if __DARWIN_ONLY_64_BIT_INO_T
+#define _DARWIN_FEATURE_ONLY_64_BIT_INODE 1
+#endif
+
+/*
+ * _DARWIN_FEATURE_ONLY_VERS_1050 indicates that only those APIs updated
+ * in 10.5 exists; no pre-10.5 variants are available.
+ */
+#if __DARWIN_ONLY_VERS_1050
+#define _DARWIN_FEATURE_ONLY_VERS_1050 1
+#endif
+
+/*
+ * _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE indicates only UNIX conforming API
+ * are available (the legacy BSD APIs are not available)
+ */
+#if __DARWIN_ONLY_UNIX_CONFORMANCE
+#define _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE 1
+#endif
+
+/*
+ * _DARWIN_FEATURE_UNIX_CONFORMANCE indicates whether UNIX conformance is on,
+ * and specifies the conformance level (3 is SUSv3)
+ */
+#if __DARWIN_UNIX03
+#define _DARWIN_FEATURE_UNIX_CONFORMANCE 3
+#endif
+
+#if defined(DRIVERKIT) && !defined(KERNEL)
+/*
+ * __DRIVERKIT_LIBC__ indicates to the C++ standard library headers and
+ * similar components that only the restricted set of standard C library
+ * functionality and headers for the DriverKit userspace driver environment
+ * are available.
+ */
+#define __DRIVERKIT_LIBC__ 1
+#endif /* defined(DRIVERKIT) && !defined(KERNEL) */
+
+/*
+ * This macro casts away the qualifier from the variable
+ *
+ * Note: use at your own risk, removing qualifiers can result in
+ * catastrophic run-time failures.
+ */
+#ifndef __CAST_AWAY_QUALIFIER
+#define __CAST_AWAY_QUALIFIER(variable, qualifier, type) (type) (long)(variable)
+#endif
+
+/*
+ * __XNU_PRIVATE_EXTERN is a linkage decoration indicating that a symbol can be
+ * used from other compilation units, but not other libraries or executables.
+ */
+#ifndef __XNU_PRIVATE_EXTERN
+#define __XNU_PRIVATE_EXTERN __attribute__((visibility("hidden")))
+#endif
+
+/*
+ * Architecture validation for current SDK
+ */
+#if !defined(__sys_cdefs_arch_unknown__) && defined(__i386__)
+#elif !defined(__sys_cdefs_arch_unknown__) && defined(__x86_64__)
+#elif !defined(__sys_cdefs_arch_unknown__) && defined(__arm__)
+#elif !defined(__sys_cdefs_arch_unknown__) && defined(__arm64__)
#else
-#define __DARWIN_ALIGN_POWER 0
+#error Unsupported architecture
#endif
-#endif /* __DARWIN_ALIGN_POWER */
-#if !defined(__DARWIN_ALIGN_NATURAL)
-#if defined(__ppc__) && defined(KERNEL)
-#define __DARWIN_ALIGN_NATURAL 1
+#ifdef XNU_KERNEL_PRIVATE
+/*
+ * Selectively ignore cast alignment warnings
+ */
+#define __IGNORE_WCASTALIGN(x) _Pragma("clang diagnostic push") \
+ _Pragma("clang diagnostic ignored \"-Wcast-align\"") \
+ x; \
+ _Pragma("clang diagnostic pop")
+#endif
+
+#if defined(PRIVATE) || defined(KERNEL)
+/*
+ * Check if __probable and __improbable have already been defined elsewhere.
+ * These macros inform the compiler (and humans) about which branches are likely
+ * to be taken.
+ */
+#if !defined(__probable) && !defined(__improbable)
+#define __probable(x) __builtin_expect(!!(x), 1)
+#define __improbable(x) __builtin_expect(!!(x), 0)
+#endif /* !defined(__probable) && !defined(__improbable) */
+
+#if defined(__cplusplus)
+#define __container_of(ptr, type, field) __extension__({ \
+ const typeof(((type *)nullptr)->field) *__ptr = (ptr); \
+ (type *)((uintptr_t)__ptr - offsetof(type, field)); \
+ })
+#else
+#define __container_of(ptr, type, field) __extension__({ \
+ const typeof(((type *)NULL)->field) *__ptr = (ptr); \
+ (type *)((uintptr_t)__ptr - offsetof(type, field)); \
+ })
+#endif
+
+#endif /* KERNEL || PRIVATE */
+
+#define __compiler_barrier() __asm__ __volatile__("" ::: "memory")
+
+#if __has_attribute(enum_extensibility)
+#define __enum_open __attribute__((__enum_extensibility__(open)))
+#define __enum_closed __attribute__((__enum_extensibility__(closed)))
+#else
+#define __enum_open
+#define __enum_closed
+#endif // __has_attribute(enum_extensibility)
+
+#if __has_attribute(flag_enum)
+#define __enum_options __attribute__((__flag_enum__))
+#else
+#define __enum_options
+#endif
+
+/*
+ * Similar to OS_ENUM/OS_CLOSED_ENUM/OS_OPTIONS/OS_CLOSED_OPTIONS
+ *
+ * This provides more advanced type checking on compilers supporting
+ * the proper extensions, even in C.
+ */
+#if __has_feature(objc_fixed_enum) || __has_extension(cxx_fixed_enum) || \
+ __has_extension(cxx_strong_enums)
+#define __enum_decl(_name, _type, ...) \
+ typedef enum : _type __VA_ARGS__ __enum_open _name
+#define __enum_closed_decl(_name, _type, ...) \
+ typedef enum : _type __VA_ARGS__ __enum_closed _name
+#define __options_decl(_name, _type, ...) \
+ typedef enum : _type __VA_ARGS__ __enum_open __enum_options _name
+#define __options_closed_decl(_name, _type, ...) \
+ typedef enum : _type __VA_ARGS__ __enum_closed __enum_options _name
#else
-#define __DARWIN_ALIGN_NATURAL 0
+#define __enum_decl(_name, _type, ...) \
+ typedef _type _name; enum __VA_ARGS__ __enum_open
+#define __enum_closed_decl(_name, _type, ...) \
+ typedef _type _name; enum __VA_ARGS__ __enum_closed
+#define __options_decl(_name, _type, ...) \
+ typedef _type _name; enum __VA_ARGS__ __enum_open __enum_options
+#define __options_closed_decl(_name, _type, ...) \
+ typedef _type _name; enum __VA_ARGS__ __enum_closed __enum_options
#endif
-#endif /* __DARWIN_ALIGN_NATURAL */
#endif /* !_CDEFS_H_ */
projects / apple / xnu.git / blobdiff