kernel/system/do_schedctl.c

   1 #include "kernel/system.h"
   2 #include <signal.h>
   3 #include <sys/sigcontext.h>
   4 #include <minix/endpoint.h>
   5
   6 /*===========================================================================*
   7  *                                do_schedctl                        *
   8  *===========================================================================*/
   9 PUBLIC int do_schedctl(struct proc * caller, message * m_ptr)
  10 {
  11         struct proc *p;
  12
  13         /* Only system processes can change process schedulers */
  14         if (! (priv(caller)->s_flags & SYS_PROC))
  15                 return(EPERM);
  16
  17         p = proc_addr(_ENDPOINT_P(m_ptr->SCHEDULING_ENDPOINT));
  18         p->p_scheduler = caller;
  19
  20         return(OK);
  21 }