log.h File Reference

(29312b1 fbconsole, panic: render panic after framebuffer was given to userspace - without clearing screen contents)

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Macros
#define	logd(component, fmt, ...)   log('D', component, fmt, ##__VA_ARGS__)
#define	logi(component, fmt, ...)   log('I', component, fmt, ##__VA_ARGS__)
#define	logw(component, fmt, ...)   log('W', component, fmt, ##__VA_ARGS__)
#define	loge(component, fmt, ...)   log('E', component, fmt, ##__VA_ARGS__)
#define	logf(component, fmt, ...)   log('F', component, fmt, ##__VA_ARGS__)

Functions
void	log_append (char level, char *component, char *message)
void	log (char level, char *component, char *fmt,...)

Macro Definition Documentation

logd

#define logd	(		component,
			fmt,
			...
	)		log('D', component, fmt, ##__VA_ARGS__)

Append a debug log message to the kernel log buffer

Parameters

component	Sub component (kernel, mm, vm, scheduler, ...)
fmt	sprintf format string
...	variables to set in the resulting message

Definition at line 28 of file log.h.

loge

#define loge	(		component,
			fmt,
			...
	)		log('E', component, fmt, ##__VA_ARGS__)

Append a error log message to the kernel log buffer

Parameters

component	Sub component (kernel, mm, vm, scheduler, ...)
fmt	sprintf format string
...	variables to set in the resulting message

Definition at line 52 of file log.h.

logf

#define logf	(		component,
			fmt,
			...
	)		log('F', component, fmt, ##__VA_ARGS__)

Append a fatal log message to the kernel log buffer

Parameters

component	Sub component (kernel, mm, vm, scheduler, ...)
fmt	sprintf format string
...	variables to set in the resulting message

Definition at line 60 of file log.h.

logi

#define logi	(		component,
			fmt,
			...
	)		log('I', component, fmt, ##__VA_ARGS__)

Append a info log message to the kernel log buffer

Parameters

component	Sub component (kernel, mm, vm, scheduler, ...)
fmt	sprintf format string
...	variables to set in the resulting message

Definition at line 36 of file log.h.

logw

#define logw	(		component,
			fmt,
			...
	)		log('W', component, fmt, ##__VA_ARGS__)

Append a warning log message to the kernel log buffer

Parameters

component	Sub component (kernel, mm, vm, scheduler, ...)
fmt	sprintf format string
...	variables to set in the resulting message

Definition at line 44 of file log.h.

Function Documentation

log()

void log	(	char	level,
		char *	component,
		char *	fmt,
			...
	)

Append a log message to the kernel log buffer

Parameters

level	Log level of the message (D, I, W, E, F -> debug, info, warning, error, fatal)
component	Sub component (kernel, mm, vm, scheduler, ...)
fmt	sprintf format string
...	Variables to set in the resulting message

Definition at line 120 of file log.c.

References kvsnprintf(), log_append(), logging_page_size, memset(), va_end, and va_start.

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log_append()

void log_append	(	char	level,
		char *	component,
		char *	message
	)

Append a log message to the kernel log buffer

Parameters

level	Log level of the message (D, I, W, E, F -> debug, info, warning, error, fatal)
component	Sub component (kernel, mm, vm, scheduler, ...)
message	Message to log

Definition at line 62 of file log.c.

References logging_page::current_end, efi_append_log(), fbconsole_active, fbconsole_write(), inb(), ksnprintf(), log_append_page(), log_count, log_first, log_last, message, logging_page::messages, outb(), and strlen().

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