minix/lib/other/_getsysinfo.c

#include <lib.h>
#include <minix/endpoint.h>
#define getsysinfo	_getsysinfo
#define getsysinfo_up	_getsysinfo_up
#include <minix/sysinfo.h>


PUBLIC int getsysinfo(who, what, where)
endpoint_t who;			/* from whom to request info */
int what;			/* what information is requested */
void *where;			/* where to put it */
{
  message m;
  m.m1_i1 = what;
  m.m1_p1 = where;
  if (_syscall(who, GETSYSINFO, &m) < 0) return(-1);
  return(0);
}

/* Unprivileged variant of getsysinfo. */
PUBLIC ssize_t getsysinfo_up(who, what, size, where)
endpoint_t who;			/* from whom to request info */
int what;			/* what information is requested */
size_t size;			/* input and output size */
void *where;			/* where to put it */
{
  message m;
  m.SIU_WHAT = what;
  m.SIU_WHERE = where;
  m.SIU_LEN = size;
  return _syscall(who, GETSYSINFO_UP, &m);
}