sys/src/syssetprv.c

Go to the documentation of this file.

// _Id: syssetprv.c,v 1.3 2005-12-23 13:58:44 roart Exp $
// _Locker:  $

// Author. Roar Thronæs.

#include<linux/linkage.h>
#include<linux/sched.h>

#include<ssdef.h>
#include<system_data_cells.h> 

asmlinkage int exe_setprv(char enbflg, struct _generic_64 *prvadr, char prmflg, struct _generic_64 *prvprv) {
  // also do setprv check and more
  // need also change pcb_l_priv, but will not recompile now
  struct _pcb * pcb = ctl_gl_pcb;
  long long * p = prvprv;
  if (p)
    *p=pcb->pcb_l_priv;
  long long * l = *(long long*)prvadr;
  p = prvadr;
  if (enbflg)
    pcb->pcb_l_priv|=*p;
  else
    pcb->pcb_l_priv&=~*p;

  return SS__NORMAL;
}

---