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The LXR Cross Referencer for SOS

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001 /* Copyright (C) 2004  The KOS Team
002 
003    This program is free software; you can redistribute it and/or
004    modify it under the terms of the GNU General Public License
005    as published by the Free Software Foundation; either version 2
006    of the License, or (at your option) any later version.
007    
008    This program is distributed in the hope that it will be useful,
009    but WITHOUT ANY WARRANTY; without even the implied warranty of
010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
011    GNU General Public License for more details.
012    
013    You should have received a copy of the GNU General Public License
014    along with this program; if not, write to the Free Software
015    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
016    USA. 
017 */
018 #ifndef _SOS_ASSERT_H_
019 #define _SOS_ASSERT_H_
020 
021 #include <drivers/bochs.h>
022 #include <drivers/x86_videomem.h>
023 
024 /**
025  * If the expr is FALSE, print a message and halt the machine
026  */
027 #define SOS_ASSERT_FATAL(expr) \
028    ({ \
029      int __res=(int)(expr); \
030      if (! __res) { \
031        asm("cli\n"); /* disable interrupts -- x86 only */ \
032        sos_bochs_printf("%s@%s:%d Assertion " # expr " failed\n", \
033                         __PRETTY_FUNCTION__, __FILE__, __LINE__); \
034        sos_x86_videomem_printf(24, 0, 12, \
035                                "%s@%s:%d Assertion " # expr " failed", \
036                                __PRETTY_FUNCTION__, __FILE__, __LINE__); \
037        for (;;) asm("hlt;") ; /* Infinite loop, ie simple system halt */ \
038      } \
039    })
040 
041 
042 #endif /* _SOS_ASSERT_H_ */

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