drivers/log/log.h

   1 /* Includes. */
   2 #include "../drivers.h"
   3 #include "../libdriver/driver.h"
   4 #include <minix/type.h>
   5 #include <minix/const.h>
   6 #include <minix/com.h>
   7 #include <sys/types.h>
   8 #include <minix/ipc.h>
   9
  10 /* Constants and types. */
  11
  12 #define LOG_SIZE        (50*1024)
  13 #define SUSPENDABLE           1
  14
  15 struct logdevice {
  16         char log_buffer[LOG_SIZE];
  17         int     log_size,       /* no. of bytes in log buffer */
  18                 log_read,       /* read mark */
  19                 log_write;      /* write mark */
  20 #if SUSPENDABLE
  21         int log_proc_nr,
  22                 log_source,
  23                 log_iosize,
  24                 log_revive_alerted,
  25                 log_status;     /* proc that is blocking on read */
  26         vir_bytes log_user_vir_g, log_user_vir_offset;
  27         int log_safe;
  28 #endif
  29         int     log_selected, log_select_proc,
  30                 log_select_alerted, log_select_ready_ops;
  31 };
  32
  33 /* Function prototypes. */
  34 _PROTOTYPE( int do_new_kmess, (endpoint_t from)                         );
  35 _PROTOTYPE( int do_diagnostics, (message *m, int safe)                  );
  36 _PROTOTYPE( void log_append, (char *buf, int len)                               );
  37