Module de.ibapl.jnhw.posix

Package de.ibapl.jnhw.posix

Class Sched

java.lang.Object

de.ibapl.jnhw.posix.Sched

@Include("#include <sched.h>")
public class Sched
extends Object

Wrapper around the <pthread.h> header. See specs at: sched.h - execution scheduling.

Author:

aploese

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Sched.Sched_param	POSIX: structure sched_param.

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	HAVE_SCHED_H
static int	SCHED_FIFO	POSIX[PS|TPS]: First in -first out(FIFO) scheduling policy.
static int	SCHED_OTHER	POSIX[PS|TPS]: Another scheduling policy.
static int	SCHED_RR	POSIX[PS|TPS]: Round robin scheduling policy.
static IntDefine	SCHED_SPORADIC	POSIX[SS|TPS]: Sporadic server scheduling policy.

Constructor Summary

Constructors

Constructor	Description
Sched()

Method Summary

Modifier and Type	Method	Description
static int	sched_get_priority_max(int policy)	POSIX[TPS]: sched_get_priority_max, sched_get_priority_min - get priority limits (REALTIME).
static int	sched_get_priority_min(int policy)	POSIX[TPS]: sched_get_priority_max, sched_get_priority_min - get priority limits (REALTIME).
static void	sched_getparam(int pid, Sched.Sched_param param)	POSIX[TPS]: sched_getparam - get scheduling parameters (REALTIME).
static int	sched_getscheduler(int pid)	POSIX[TPS]: sched_getscheduler - get scheduling policy (REALTIME) .
static void	sched_rr_get_interval(int pid, Time.Timespec interval)	POSIX[TPS]: sched_rr_get_interval - get execution time limits (REALTIME).
static void	sched_setparam(int pid, Sched.Sched_param param)	POSIX[TPS]: sched_setparam - set scheduling parameters (REALTIME).
static int	sched_setscheduler(int pid, int policy, Sched.Sched_param param)	POSIX[TPS]: sched_setscheduler - set scheduling policy and parameters (REALTIME).
static void	sched_yield()	POSIX[TPS]: sched_yield - yield the processor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

HAVE_SCHED_H

public static final boolean HAVE_SCHED_H

SCHED_FIFO

@Define
public static final int SCHED_FIFO

POSIX[PS|TPS]: First in -first out(FIFO) scheduling policy.

SCHED_RR

@Define
public static final int SCHED_RR

POSIX[PS|TPS]: Round robin scheduling policy.

SCHED_SPORADIC

@Define
public static final IntDefine SCHED_SPORADIC

POSIX[SS|TPS]: Sporadic server scheduling policy.

SCHED_OTHER

@Define
public static final int SCHED_OTHER

POSIX[PS|TPS]: Another scheduling policy.

Constructor Detail

Sched

public Sched()

Method Detail

sched_get_priority_max

public static final int sched_get_priority_max(int policy)
                                        throws NativeErrorException

POSIX[TPS]: sched_get_priority_max, sched_get_priority_min - get priority limits (REALTIME).

Throws:

NativeErrorException - if the return value of the native function indicates an error.

sched_get_priority_min

public static final int sched_get_priority_min(int policy)
                                        throws NativeErrorException

POSIX[TPS]: sched_get_priority_max, sched_get_priority_min - get priority limits (REALTIME).

Throws:

NativeErrorException - if the return value of the native function indicates an error.

sched_getparam

public static final void sched_getparam(int pid,
                                        Sched.Sched_param param)
                                 throws NativeErrorException,
                                        NoSuchNativeMethodException

POSIX[TPS]: sched_getparam - get scheduling parameters (REALTIME).

Throws:

NativeErrorException - if the return value of the native function indicates an error.

NoSuchNativeMethodException - if the method sched_getparam is not available natively.

sched_getscheduler

public static final int sched_getscheduler(int pid)
                                    throws NativeErrorException,
                                           NoSuchNativeMethodException

POSIX[TPS]: sched_getscheduler - get scheduling policy (REALTIME) .

Throws:

NativeErrorException - if the return value of the native function indicates an error.

NoSuchNativeMethodException - if the method sched_getscheduler is not available natively.

sched_rr_get_interval

public static final void sched_rr_get_interval(int pid,
                                               Time.Timespec interval)
                                        throws NativeErrorException,
                                               NoSuchNativeMethodException

POSIX[TPS]: sched_rr_get_interval - get execution time limits (REALTIME).

Throws:

NativeErrorException - if the return value of the native function indicates an error.

NoSuchNativeMethodException - if the method sched_rr_get_interval is not available natively.

sched_setparam

public static final void sched_setparam(int pid,
                                        Sched.Sched_param param)
                                 throws NativeErrorException,
                                        NoSuchNativeMethodException

POSIX[TPS]: sched_setparam - set scheduling parameters (REALTIME).

Throws:

NativeErrorException - if the return value of the native function indicates an error.

NoSuchNativeMethodException - if the method sched_setparam is not available natively.

sched_setscheduler

public static final int sched_setscheduler(int pid,
                                           int policy,
                                           Sched.Sched_param param)
                                    throws NativeErrorException,
                                           NoSuchNativeMethodException

POSIX[TPS]: sched_setscheduler - set scheduling policy and parameters (REALTIME).

Throws:

NativeErrorException - if the return value of the native function indicates an error.

NoSuchNativeMethodException - if the method sched_setscheduler is not available natively.

sched_yield

public static final void sched_yield()
                              throws NativeErrorException

POSIX[TPS]: sched_yield - yield the processor.

Throws:

NativeErrorException - if the return value of the native function indicates an error.