/* * Copyright (c) 2000-2016 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 * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * 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, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * 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@ */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* */ #ifndef _KERN_ASSERT_H_ #define _KERN_ASSERT_H_ /* assert.h 4.2 85/01/21 */ #include <kern/macro_help.h> #include <sys/cdefs.h> #ifdef MACH_KERNEL_PRIVATE #include <mach_assert.h> #endif __BEGIN_DECLS /* Assert error */ #if !CONFIG_NONFATAL_ASSERTS __abortlike #endif extern void Assert( const char *file, int line, const char *expression) __attribute__((noinline)); extern int kext_assertions_enable; #define __Panic(fmt, args...) panic(fmt, ##args) __END_DECLS #ifndef APPLE_KEXT_ASSERTIONS #define APPLE_KEXT_ASSERTIONS 0 #endif #if MACH_ASSERT #define assert(ex) \ (__builtin_expect(!!((ex)), 1L) ? (void)0 : Assert(__FILE__, __LINE__, # ex)) #define assertf(ex, fmt, args...) \ (__builtin_expect(!!((ex)), 1L) ? (void)0 : __Panic("%s:%d Assertion failed: %s : " fmt, __FILE__, __LINE__, # ex, ##args)) #define __assert_only #elif APPLE_KEXT_ASSERTIONS && !XNU_KERNEL_PRIVATE /* MACH_ASSERT */ #define assert(ex) \ (__builtin_expect(!!(((!kext_assertions_enable) || (ex))), 1L) ? (void)0 : Assert(__FILE__, __LINE__, # ex)) #define assertf(ex, fmt, args...) \ (__builtin_expect(!!(((!kext_assertions_enable) || (ex))), 1L) ? (void)0 : __Panic("%s:%d Assertion failed: %s : " fmt, __FILE__, __LINE__, # ex, ##args)) #define __assert_only #else /* APPLE_KEXT_ASSERTIONS && !XNU_KERNEL_PRIVATE */ #define assert(ex) ((void)0) #define assertf(ex, fmt, args...) ((void)0) #define __assert_only __unused #endif /* MACH_ASSERT */ /* * static_assert is a C11 / C++0x / C++1z feature. * * Beginning with C++0x, it is a keyword and should not be #defined * * static_assert is not disabled by MACH_ASSERT or NDEBUG */ #ifndef __cplusplus #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L #define _STATIC_ASSERT_OVERLOADED_MACRO(_1, _2, NAME, ...) NAME #define static_assert(...) _STATIC_ASSERT_OVERLOADED_MACRO(__VA_ARGS__, _static_assert_2_args, _static_assert_1_arg)(__VA_ARGS__) #define _static_assert_2_args(ex, str) _Static_assert((ex), str) #define _static_assert_1_arg(ex) _Static_assert((ex), #ex) #endif #else #if !defined(__cpp_static_assert) /* pre C++11 support */ #define _STATIC_ASSERT_OVERLOADED_MACRO(_1, _2, NAME, ...) NAME #define static_assert(...) _STATIC_ASSERT_OVERLOADED_MACRO(__VA_ARGS__, _static_assert_2_args, _static_assert_1_arg)(__VA_ARGS__) #define _static_assert_2_args(ex, str) _Static_assert((ex), str) #define _static_assert_1_arg(ex) _Static_assert((ex), #ex) #else /* * C++11 only supports the 2 argument version of static_assert. * C++1z has added support for the 1 argument version. */ #define _static_assert_1_arg(ex) static_assert((ex), #ex) #endif #endif #endif /* _KERN_ASSERT_H_ */