backend.h File Reference

#include <stdbool.h>
#include <stdint.h>
#include <pbl/kernel/compiler.h>
#include <pbl/kernel/section.h>

Data Structures
struct	pbl_log_msg
	Log message. More...
struct	pbl_log_backend_api
	Backend operations. More...
struct	pbl_log_backend_state
	Runtime state of a backend. More...
struct	pbl_log_backend
	Backend. More...

Macros
#define	PBL_LOG_MSG_ASYNC   (1U << 0)
	The message may be written after pbl_log_backend_api::process returns.
#define	PBL_LOG_MSG_FAULT   (1U << 1)
	The message comes from a fault handler, where OS services are unavailable.
#define	PBL_LOG_BACKEND_DEFINE(_name, _api, _level, _autostart)
	Define a backend.
#define	PBL_LOG_BACKEND_GET(_name)
	Get a backend defined with PBL_LOG_BACKEND_DEFINE.

Functions
void	pbl_log_backend_enable (const struct pbl_log_backend *backend)
	Start passing messages to backend.
void	pbl_log_backend_disable (const struct pbl_log_backend *backend)
	Stop passing messages to backend.
bool	pbl_log_backend_is_enabled (const struct pbl_log_backend *backend)
	Whether messages are passed to backend.
void	pbl_log_backend_set_level (const struct pbl_log_backend *backend, int level)
	Set the highest LOG_LEVEL_* level written by backend.
const struct pbl_log_backend *	pbl_log_backend_get_by_name (const char *name)
	Find a backend by name.
void	pbl_log_init (void)
	Initialize the backends.
void	pbl_log_panic (void)
	Have every backend write out its pending messages, the system is about to stop.