timerfd

package

v0.0.0-...-5cecdfb Latest Latest Go to latest Published: Apr 22, 2024 License: Apache-2.0, MIT Imports: 8 Imported by: 4

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Repository

github.com/google/gvisor

Links

Open Source Insights

Documentation ¶

Overview ¶

Package timerfd implements timer fds.

Index ¶

func New(ctx context.Context, vfsObj *vfs.VirtualFilesystem, clock ktime.Clock, ...) (*vfs.FileDescription, error)
type TimerFileDescription

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func New ¶

func New(ctx context.Context, vfsObj *vfs.VirtualFilesystem, clock ktime.Clock, flags uint32) (*vfs.FileDescription, error)

New returns a new timer fd.

Types ¶

type TimerFileDescription ¶

type TimerFileDescription struct {
	vfs.FileDescriptionDefaultImpl
	vfs.DentryMetadataFileDescriptionImpl
	vfs.NoLockFD
	// contains filtered or unexported fields
}

TimerFileDescription implements vfs.FileDescriptionImpl for timer fds. It also implements ktime.TimerListener.

+stateify savable

func (*TimerFileDescription) Clock ¶

func (tfd *TimerFileDescription) Clock() ktime.Clock

Clock returns the timer fd's Clock.

func (*TimerFileDescription) Epollable ¶

func (tfd *TimerFileDescription) Epollable() bool

Epollable implements FileDescriptionImpl.Epollable.

func (*TimerFileDescription) EventRegister ¶

func (tfd *TimerFileDescription) EventRegister(e *waiter.Entry) error

EventRegister implements waiter.Waitable.EventRegister.

func (*TimerFileDescription) EventUnregister ¶

func (tfd *TimerFileDescription) EventUnregister(e *waiter.Entry)

EventUnregister implements waiter.Waitable.EventUnregister.

func (*TimerFileDescription) GetTime ¶

func (tfd *TimerFileDescription) GetTime() (ktime.Time, ktime.Setting)

GetTime returns the associated Timer's setting and the time at which it was observed.

func (*TimerFileDescription) NotifyTimer ¶

func (tfd *TimerFileDescription) NotifyTimer(exp uint64, setting ktime.Setting) (ktime.Setting, bool)

NotifyTimer implements ktime.TimerListener.NotifyTimer.

func (*TimerFileDescription) PauseTimer ¶

func (tfd *TimerFileDescription) PauseTimer()

PauseTimer pauses the associated Timer.

func (*TimerFileDescription) Read ¶

func (tfd *TimerFileDescription) Read(ctx context.Context, dst usermem.IOSequence, opts vfs.ReadOptions) (int64, error)

Read implements vfs.FileDescriptionImpl.Read.

func (*TimerFileDescription) Readiness ¶

func (tfd *TimerFileDescription) Readiness(mask waiter.EventMask) waiter.EventMask

Readiness implements waiter.Waitable.Readiness.

func (*TimerFileDescription) Release ¶

func (tfd *TimerFileDescription) Release(context.Context)

Release implements vfs.FileDescriptionImpl.Release.

func (*TimerFileDescription) ResumeTimer ¶

func (tfd *TimerFileDescription) ResumeTimer()

ResumeTimer resumes the associated Timer.

func (*TimerFileDescription) SetTime ¶

func (tfd *TimerFileDescription) SetTime(s ktime.Setting) (ktime.Time, ktime.Setting)

SetTime atomically changes the associated Timer's setting, resets the number of expirations to 0, and returns the previous setting and the time at which it was observed.

Source Files ¶

View all Source files

timerfd.go

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