lib/other/_getsysinfo.c

   1 #include <lib.h>
   2 #include <minix/endpoint.h>
   3 #define getsysinfo      _getsysinfo
   4 #define getsysinfo_up   _getsysinfo_up
   5 #include <minix/sysinfo.h>
   6
   7
   8 PUBLIC int getsysinfo(who, what, where)
   9 endpoint_t who;                 /* from whom to request info */
  10 int what;                       /* what information is requested */
  11 void *where;                    /* where to put it */
  12 {
  13   message m;
  14   m.m1_i1 = what;
  15   m.m1_p1 = where;
  16   if (_syscall(who, GETSYSINFO, &m) < 0) return(-1);
  17   return(0);
  18 }
  19
  20 /* Unprivileged variant of getsysinfo. */
  21 PUBLIC ssize_t getsysinfo_up(who, what, size, where)
  22 endpoint_t who;                 /* from whom to request info */
  23 int what;                       /* what information is requested */
  24 size_t size;                    /* input and output size */
  25 void *where;                    /* where to put it */
  26 {
  27   message m;
  28   m.SIU_WHAT = what;
  29   m.SIU_WHERE = where;
  30   m.SIU_LEN = size;
  31   return _syscall(who, GETSYSINFO_UP, &m);
  32 }
  33