186 lines
4.7 KiB
C
186 lines
4.7 KiB
C
/*
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* Copyright 2003-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
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* Copyright 200?, Axel Dörfler, axeld@pinc-software.de.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef DEBUG_SUPPORT_H
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#define DEBUG_SUPPORT_H
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#include <string.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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# ifdef _KERNEL_MODE
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# define USER 0
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# else
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# define USER 1
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# endif
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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 "package_daemon"
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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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#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 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 debug_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
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// 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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#define DEBUG_THREAD find_thread(NULL)
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#define DEBUG_CONTEXT(x) \
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{ \
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dbg_printf_begin(); \
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__out(DEBUG_APP " [%" B_PRIdBIGTIME ": %5" B_PRId32 "] ", \
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system_time(), DEBUG_THREAD); \
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x; \
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dbg_printf_end(); \
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}
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#define DEBUG_CONTEXT_FUNCTION(prefix, x) \
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{ \
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dbg_printf_begin(); \
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__out(DEBUG_APP " [%" B_PRIdBIGTIME ": %5" B_PRId32 "] %s" prefix, \
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system_time(), DEBUG_THREAD,__PRETTY_FUNCTION__); \
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x; \
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dbg_printf_end(); \
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}
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#define DEBUG_CONTEXT_LINE(x) \
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{ \
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dbg_printf_begin(); \
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__out(DEBUG_APP " [%" B_PRIdBIGTIME ": %5" B_PRId32 "] %s:%d: ", \
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system_time(), DEBUG_THREAD, __PRETTY_FUNCTION__, __LINE__); \
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x; \
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dbg_printf_end(); \
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}
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#define TPRINT(x...) DEBUG_CONTEXT( __out(x) )
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#define TREPORT_ERROR(status) \
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DEBUG_CONTEXT_LINE( __out("%s\n", strerror(status)) )
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#define TRETURN_ERROR(err) \
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{ \
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status_t _status = err; \
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if (_status < B_OK) \
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TREPORT_ERROR(_status); \
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return _status; \
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}
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#define TSET_ERROR(var, err) \
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{ \
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status_t _status = err; \
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if (_status < B_OK) \
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TREPORT_ERROR(_status); \
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var = _status; \
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}
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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_SUPPORT_H
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