err.h File Reference

#include "../lib/types.h"

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Macros
#define	assert   __assert
#define	panic   __panic
#define	__assert(cond, msg)

Functions
void	__panic (const char *txt)
	panic halts the system with a kernel panic message

Macro Definition Documentation

__assert

#define __assert	(		cond,
			msg )

Value:

do { if (!(cond)) { panic(msg); } } while(0)

Definition at line 9 of file err.h.

assert

#define assert   __assert

Definition at line 4 of file err.h.

Referenced by ___init(), __alc(), __anew(), __drw(), __ffsinit(), __fsadd(), __fsdelete(), __fsnextlba(), __ideinit(), __irsec(), __iwrt(), __prt(), and __rdln().

panic

#define panic   __panic

Definition at line 5 of file err.h.

Referenced by ___init(), ___kmain(), __alc(), and __shell().

Function Documentation

__panic()

void __panic

(

const char *

txt

)

panic halts the system with a kernel panic message

panic is a function that clears the screen to red, displays a kernel panic banner with the provided message, and halts forever

Parameters

txt,the

error message to display

when panic is called the system becomes unrecoverable, it will always halt, so use it only for fatal unrecoverable errors

using panic is done with

#include "../lib/err.h" //or just err.h
panic("something went wrong");

See also

assert()

Definition at line 25 of file err.c.

References NORETURN, and vga.