minix3/lib/libsys/sched_stop.c

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2020-02-21 00:59:27 +05:30
#include "syslib.h"
#include <assert.h>
#include <string.h>
/*===========================================================================*
* sched_stop *
*===========================================================================*/
int sched_stop(endpoint_t scheduler_e, endpoint_t schedulee_e)
{
int rv;
message m;
/* If the kernel is the scheduler, it will implicitly stop scheduling
* once another process takes over or the process terminates */
if (scheduler_e == KERNEL || scheduler_e == NONE)
return(OK);
/* User-scheduled, perform the call */
assert(_ENDPOINT_P(scheduler_e) >= 0);
assert(_ENDPOINT_P(schedulee_e) >= 0);
memset(&m, 0, sizeof(m));
m.m_lsys_sched_scheduling_stop.endpoint = schedulee_e;
if ((rv = _taskcall(scheduler_e, SCHEDULING_STOP, &m))) {
return rv;
}
return (OK);
}