83812f6752
where it will be ported to Haiku. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20216 a95241bf-73f2-0310-859d-f6bbb57e9c96
141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
#ifndef DEBUG_H
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#define DEBUG_H
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/* Debug - debug stuff
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**
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** Initial version by Axel Dörfler, axeld@pinc-software.de
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** This file may be used under the terms of the OpenBeOS License.
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*/
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#include <string.h>
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#if !USER
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# include <KernelExport.h>
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#endif
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#include <OS.h>
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#include <SupportDefs.h>
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// define all macros we work with -- undefined macros are set to defaults
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#ifndef USER
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# define USER 0
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#endif
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#ifndef DEBUG
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# define DEBUG 0
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#endif
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#if !DEBUG
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# undef DEBUG_PRINT
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# define DEBUG_PRINT 0
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#endif
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#ifndef DEBUG_PRINT
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# define DEBUG_PRINT 0
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#endif
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#ifndef DEBUG_APP
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# define DEBUG_APP "debug"
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#endif
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#ifndef DEBUG_PRINT_FILE
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# define DEBUG_PRINT_FILE "/var/log/" DEBUG_APP ".log"
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#endif
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// define the debug output function
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#if USER
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# include <stdio.h>
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# if DEBUG_PRINT
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# define __out dbg_printf
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# else
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# define __out printf
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# endif
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#else
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# include <KernelExport.h>
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# include <null.h>
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# if DEBUG_PRINT
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# define __out dbg_printf
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# else
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# define __out dprintf
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# endif
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#endif
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// define the PANIC() macro
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#ifndef PANIC
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# if USER
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# define PANIC(str) debugger(str)
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# else
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# define PANIC(str) panic(str)
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# endif
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#endif
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// functions exported by this module
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status_t init_debugging();
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status_t exit_debugging();
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void dbg_printf_begin();
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void dbg_printf_end();
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#if DEBUG_PRINT
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void dbg_printf(const char *format,...);
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#else
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static inline void dbg_printf(const char *,...) {}
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#endif
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// Short overview over the debug output macros:
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// PRINT()
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// is for general messages that very unlikely should appear in a release build
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// FATAL()
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// this is for fatal messages, when something has really gone wrong
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// INFORM()
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// general information, as disk size, etc.
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// REPORT_ERROR(status_t)
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// prints out error information
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// RETURN_ERROR(status_t)
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// calls REPORT_ERROR() and return the value
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// D()
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// the statements in D() are only included if DEBUG is defined
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#if __MWERKS__
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# define __FUNCTION__ ""
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#endif
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#define DEBUG_THREAD find_thread(NULL)
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#define DEBUG_CONTEXT(x) { dbg_printf_begin(); __out(DEBUG_APP " [%Ld: %5ld] ", system_time(), DEBUG_THREAD); x; dbg_printf_end(); }
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#define DEBUG_CONTEXT_FUNCTION(prefix, x) { dbg_printf_begin(); __out(DEBUG_APP " [%Ld: %5ld] %s()" prefix, system_time(), DEBUG_THREAD, __FUNCTION__); x; dbg_printf_end(); }
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#define DEBUG_CONTEXT_LINE(x) { dbg_printf_begin(); __out(DEBUG_APP " [%Ld: %5ld] %s():%d: ", system_time(), DEBUG_THREAD, __FUNCTION__, __LINE__); x; dbg_printf_end(); }
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#define TPRINT(x) DEBUG_CONTEXT( __out x )
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#define TREPORT_ERROR(status) DEBUG_CONTEXT_LINE( __out("%s\n", strerror(status)) )
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#define TRETURN_ERROR(err) { status_t _status = err; if (_status < B_OK) TREPORT_ERROR(_status); return _status;}
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#define TSET_ERROR(var, err) { status_t _status = err; if (_status < B_OK) TREPORT_ERROR(_status); var = _status; }
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#define TFUNCTION(x) DEBUG_CONTEXT_FUNCTION( ": ", __out x )
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#define TFUNCTION_START() DEBUG_CONTEXT_FUNCTION( "\n", )
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#define TFUNCTION_END() DEBUG_CONTEXT_FUNCTION( " done\n", )
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#if DEBUG
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#define PRINT(x) TPRINT(x)
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#define REPORT_ERROR(status) TREPORT_ERROR(status)
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#define RETURN_ERROR(err) TRETURN_ERROR(err)
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#define SET_ERROR(var, err) TSET_ERROR(var, err)
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#define FATAL(x) DEBUG_CONTEXT( __out x )
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#define ERROR(x) DEBUG_CONTEXT( __out x )
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#define WARN(x) DEBUG_CONTEXT( __out x )
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#define INFORM(x) DEBUG_CONTEXT( __out x )
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#define FUNCTION(x) TFUNCTION(x)
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#define FUNCTION_START() TFUNCTION_START()
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#define FUNCTION_END() TFUNCTION_END()
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#define DARG(x) x
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#define D(x) {x;};
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#else
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#define PRINT(x) ;
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#define REPORT_ERROR(status) ;
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#define RETURN_ERROR(status) return status;
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#define SET_ERROR(var, err) var = err;
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#define FATAL(x) DEBUG_CONTEXT( __out x )
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#define ERROR(x) DEBUG_CONTEXT( __out x )
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#define WARN(x) DEBUG_CONTEXT( __out x )
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#define INFORM(x) DEBUG_CONTEXT( __out x )
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#define FUNCTION(x) ;
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#define FUNCTION_START() ;
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#define FUNCTION_END() ;
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#define DARG(x)
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#define D(x) ;
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#endif
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#ifndef TOUCH
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#define TOUCH(var) (void)var
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#endif
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#endif /* DEBUG_H */
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