/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
- *
* 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
+ * 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,
* 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_LICENSE_HEADER_END@
+ *
+ * @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_
+#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
+#ifdef MACH_KERNEL_PRIVATE
#include <mach_assert.h>
#endif
+__BEGIN_DECLS
/* Assert error */
-extern void Assert(
- const char *file,
- int line,
- const char *expression);
+#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
-#if MACH_ASSERT
+#elif APPLE_KEXT_ASSERTIONS && !XNU_KERNEL_PRIVATE /* MACH_ASSERT */
#define assert(ex) \
- ((ex) ? (void)0 : Assert(__FILE__, __LINE__, # ex))
-#define assert_static(x) assert(x)
+ (__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 /* MACH_ASSERT */
+#else /* APPLE_KEXT_ASSERTIONS && !XNU_KERNEL_PRIVATE */
-#define assert(ex) ((void)0)
-#define assert_static(ex)
+#define assert(ex) ((void)0)
+#define assertf(ex, fmt, args...) ((void)0)
+#define __assert_only __unused
-#endif /* MACH_ASSERT */
+#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_ */
+#endif /* _KERN_ASSERT_H_ */
projects / apple / xnu.git / blobdiff