#pragma once

#define massert( cond, msg )                                                  \
   if( cond ) {                                                               \
      perror( msg );                                                          \
      exit(-1);                                                               \
   }

struct __attribute__((__packed__)) inf_t {
   double loadavg[3];   /* 8*3*/
   time_t time;         /* 8/4 */
   struct id_t {
      pid_t pid;        /* 4 */
      uid_t uid;        /* 4 */
      gid_t gid;        /* 4 */
   } id;
};

void set_id( struct inf_t *data );
int update_inf( struct  inf_t *data, time_t start );
void print_inf( struct inf_t *data );