lib/libsys/sched_stop.c

   1 #include "syslib.h"
   2 #include <assert.h>
   3
   4 /*===========================================================================*
   5  *                              sched_stop                                   *
   6  *===========================================================================*/
   7 int sched_stop(endpoint_t scheduler_e, endpoint_t schedulee_e)
   8 {
   9         int rv;
  10         message m;
  11
  12         /* If the kernel is the scheduler, it will implicitly stop scheduling
  13          * once another process takes over or the process terminates */
  14         if (scheduler_e == KERNEL || scheduler_e == NONE)
  15                 return(OK);
  16
  17         /* User-scheduled, perform the call */
  18         assert(_ENDPOINT_P(scheduler_e) >= 0);
  19         assert(_ENDPOINT_P(schedulee_e) >= 0);
  20
  21         m.SCHEDULING_ENDPOINT   = schedulee_e;
  22         if ((rv = _taskcall(scheduler_e, SCHEDULING_STOP, &m))) {
  23                 return rv;
  24         }
  25
  26         return (OK);
  27 }