minix/kernel/system/do_schedctl.c
2010-04-01 22:22:33 +00:00

21 lines
600 B
C

#include "kernel/system.h"
#include <signal.h>
#include <sys/sigcontext.h>
#include <minix/endpoint.h>
/*===========================================================================*
* do_schedctl *
*===========================================================================*/
PUBLIC int do_schedctl(struct proc * caller, message * m_ptr)
{
struct proc *p;
/* Only system processes can change process schedulers */
if (! (priv(caller)->s_flags & SYS_PROC))
return(EPERM);
p = proc_addr(_ENDPOINT_P(m_ptr->SCHEDULING_ENDPOINT));
p->p_scheduler = caller;
return(OK);
}