minix/drivers/log/log.h

/* Includes. */
#include <minix/drivers.h>
#include <minix/driver.h>
#include <minix/type.h>
#include <minix/const.h>
#include <minix/com.h>
#include <sys/types.h>
#include <minix/ipc.h>

/* Constants and types. */

#define LOG_SIZE	(50*1024) 
#define SUSPENDABLE 	      1

struct logdevice {
	char log_buffer[LOG_SIZE];
	int	log_size,	/* no. of bytes in log buffer */
		log_read,	/* read mark */
		log_write;	/* write mark */
#if SUSPENDABLE
	endpoint_t log_proc_nr,
		log_source;
	int log_iosize,
		log_revive_alerted,
		log_status;
	cp_grant_id_t log_user_grant;
	vir_bytes log_user_offset;
#endif
	int	log_selected, log_select_proc,
		log_select_alerted, log_select_ready_ops;
};

/* Function prototypes. */
_PROTOTYPE( void do_new_kmess, (void)					);
_PROTOTYPE( void log_append, (char *buf, int len)			);