minix/drivers/log/log.h
Ben Gras 60bbcab13f Understand *_S variants: DIAGNOSTICS_S, DEV_{READ,WRITE,IOCTL}_S,
include grant id in DEV_REVIVE messages
2006-06-20 08:55:35 +00:00

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952 B
C

/* Includes. */
#include "../drivers.h"
#include "../libdriver/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
int log_proc_nr,
log_source,
log_iosize,
log_revive_alerted,
log_status; /* proc that is blocking on read */
vir_bytes log_user_vir_g, log_user_vir_offset;
int log_safe;
#endif
int log_selected, log_select_proc,
log_select_alerted, log_select_ready_ops;
};
/* Function prototypes. */
_PROTOTYPE( void kputc, (int c) );
_PROTOTYPE( int do_new_kmess, (message *m) );
_PROTOTYPE( int do_diagnostics, (message *m, int safe) );
_PROTOTYPE( void log_append, (char *buf, int len) );