one.nio.os

Class Proc

java.lang.Object

one.nio.os.Proc

public final class Proc
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	CLONE_NEWCGROUP
static int	CLONE_NEWIPC
static int	CLONE_NEWNET
static int	CLONE_NEWPID
static int	CLONE_NEWUSER
static int	CLONE_NEWUTS
static int	IOPRIO_CLASS_BE
static int	IOPRIO_CLASS_IDLE
static int	IOPRIO_CLASS_RT
static boolean	IS_SUPPORTED
static int	SCHED_BATCH
static int	SCHED_IDLE
static int	SCHED_OTHER

Constructor Summary

Constructors

Constructor and Description
Proc()

Method Summary

Modifier and Type	Method and Description
static int	getpid()
static int	getppid()
static int	gettid()
static int	ioprio_get(int pid)
static int	ioprio_set(int pid, int ioprio)
static long	sched_getaffinity(int pid)
static int	sched_getscheduler(int pid)
static int	sched_setaffinity(int pid, long mask)
static int	sched_setscheduler(int pid, int policy)
static int	setns(int fd, int nstype)

Methods inherited from class java.lang.Object

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

Field Detail

IS_SUPPORTED

public static final boolean IS_SUPPORTED

IOPRIO_CLASS_RT

public static final int IOPRIO_CLASS_RT

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Constant Field Values

IOPRIO_CLASS_BE

public static final int IOPRIO_CLASS_BE

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Constant Field Values

IOPRIO_CLASS_IDLE

public static final int IOPRIO_CLASS_IDLE

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Constant Field Values

SCHED_OTHER

public static final int SCHED_OTHER

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Constant Field Values

SCHED_BATCH

public static final int SCHED_BATCH

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Constant Field Values

SCHED_IDLE

public static final int SCHED_IDLE

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Constant Field Values

CLONE_NEWCGROUP

public static final int CLONE_NEWCGROUP

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Constant Field Values

CLONE_NEWUTS

public static final int CLONE_NEWUTS

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Constant Field Values

CLONE_NEWIPC

public static final int CLONE_NEWIPC

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Constant Field Values

CLONE_NEWUSER

public static final int CLONE_NEWUSER

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Constant Field Values

CLONE_NEWPID

public static final int CLONE_NEWPID

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Constant Field Values

CLONE_NEWNET

public static final int CLONE_NEWNET

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Constant Field Values

Constructor Detail

Proc

public Proc()

Method Detail

gettid

public static int gettid()

getpid

public static int getpid()

getppid

public static int getppid()

sched_setaffinity

public static int sched_setaffinity(int pid,
                                    long mask)

sched_getaffinity

public static long sched_getaffinity(int pid)

ioprio_set

public static int ioprio_set(int pid,
                             int ioprio)

ioprio_get

public static int ioprio_get(int pid)

sched_setscheduler

public static int sched_setscheduler(int pid,
                                     int policy)

Parameters:

pid - pid or tid. 0 for current thread

Returns:

0 on success or errno on failure

sched_getscheduler

public static int sched_getscheduler(int pid)

Parameters:

pid - pid or tid. 0 for current thread

Returns:

the policy for the thread (a nonnegative integer)

setns

public static int setns(int fd,
                        int nstype)

Parameters:

fd - is a file descriptor referring to one of the namespace entries in a /proc/[pid]/ns/ directory

nstype - specifies which type of namespace the calling thread may be reassociated with. One of CLONE_* constants or 0 to allow any type of namespace to be joined

Returns:

0 on success or errno on failure