assert.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
    4  * All Rights Reserved.
    5  * 
    6  * Permission to use, copy, modify and distribute this software and its
    7  * documentation is hereby granted, provided that both the copyright
    8  * notice and this permission notice appear in all copies of the
    9  * software, derivative works or modified versions, and any portions
   10  * thereof, and that both notices appear in supporting documentation.
   11  * 
   12  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
   13  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
   14  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
   15  * 
   16  * Carnegie Mellon requests users of this software to return to
   17  * 
   18  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
   19  *  School of Computer Science
   20  *  Carnegie Mellon University
   21  *  Pittsburgh PA 15213-3890
   22  * 
   23  * any improvements or extensions that they make and grant Carnegie Mellon
   24  * the rights to redistribute these changes.
   25  */
   26 /*
   27  * HISTORY
   28  * $Log:        assert.h,v $
   29  * Revision 2.7  93/05/10  17:47:39  rvb
   30  *      According to Friedl's wishes undo Change 2.6.  Too many people
   31  *      seem to believe that Assert() can return a value.
   32  *      [93/05/10  15:47:06  rvb]
   33  * 
   34  * Revision 2.6  92/05/21  17:12:41  jfriedl
   35  *      Made Assert() volatile under gcc.
   36  *      [92/05/16            jfriedl]
   37  * 
   38  * Revision 2.5  91/05/14  16:39:41  mrt
   39  *      Correcting copyright
   40  * 
   41  * Revision 2.4  91/02/05  17:25:28  mrt
   42  *      Changed to new Mach copyright
   43  *      [91/02/01  16:10:52  mrt]
   44  * 
   45  * Revision 2.3  90/11/05  14:30:41  rpd
   46  *      Changed assert to use Assert instead of Debugger.
   47  *      [90/11/04            rpd]
   48  * 
   49  * Revision 2.2  90/08/27  22:01:51  dbg
   50  *      Declare 'Debugger' to avoid more lint.
   51  *      [90/08/13            dbg]
   52  * 
   53  * Revision 2.1  89/08/03  15:43:22  rwd
   54  * Created.
   55  * 
   56  * Revision 2.7  88/12/19  02:41:59  mwyoung
   57  *      It appears to be impossible to avoid lint for expressions
   58  *      of the form (constant1 < constant2).  Make assert_static empty
   59  *      for lint.
   60  *      [88/12/17            mwyoung]
   61  * 
   62  * Revision 2.6  88/10/18  03:37:27  mwyoung
   63  *      Use MACRO_BEGIN, MACRO_END.
   64  *      [88/10/11            mwyoung]
   65  *      
   66  *      Avoid lint warnings about constants in the "while" clause.
   67  *      [88/10/06            mwyoung]
   68  * 
   69  * Revision 2.5  88/10/01  21:58:26  rpd
   70  *      Changed CS_ASSERT to CMUCS_ASSERT.
   71  *      [88/10/01  21:32:39  rpd]
   72  * 
   73  * Revision 2.4  88/09/25  22:15:40  rpd
   74  *      Changed to use Debugger instead of panic.
   75  *      [88/09/12  23:04:20  rpd]
   76  * 
   77  * Revision 2.3  88/08/24  02:22:40  mwyoung
   78  *      Adjusted include file references.
   79  *      [88/08/17  02:08:36  mwyoung]
   80  * 
   81  * Revision 2.2  88/07/20  16:44:48  rpd
   82  * Modify assert for kernel use.
   83  * 
   84  */
   85 
   86 #ifndef _KERN_ASSERT_H_
   87 #define _KERN_ASSERT_H_
   88 
   89 /*      assert.h        4.2     85/01/21        */
   90 
   91 #include <mach_assert.h>
   92 
   93 #include <kern/macro_help.h>
   94 
   95 #if     MACH_ASSERT
   96 extern void Assert();
   97 
   98 #define assert(ex)                                                      \
   99 MACRO_BEGIN                                                             \
  100         if (!(ex))                                                      \
  101                 Assert(__FILE__, __LINE__);                             \
  102 MACRO_END
  103 
  104 #ifdef  lint
  105 #define assert_static(x)
  106 #else   lint
  107 #define assert_static(x)        assert(x)
  108 #endif  lint
  109 
  110 #else   MACH_ASSERT
  111 #define assert(ex)
  112 #define assert_static(ex)
  113 #endif  MACH_ASSERT
  114 
  115 #endif  _KERN_ASSERT_H_

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FreeBSD/Linux Kernel Cross Reference sys/kern/assert.h

FreeBSD/Linux Kernel Cross Reference
sys/kern/assert.h