pidfd

package module

v0.0.0-...-2fccdda Latest Latest Go to latest Published: Apr 26, 2023 License: MIT Imports: 9 Imported by: 0

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Repository

github.com/mdlayher/pidfd

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README ¶

pidfd

Package pidfd provides access to Linux process file descriptors. MIT Licensed.

Documentation ¶

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Overview ¶

Package pidfd provides access to Linux process file descriptors.

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Error ¶

type Error struct {
	FD, PID int
	Err     error
}

An Error is an error value produced by the pidfd_* family of syscalls.

func (*Error) Error ¶

func (e *Error) Error() string

Error implements error.

func (*Error) Is ¶

func (e *Error) Is(target error) bool

Is implements errors.Is comparison.

func (*Error) Unwrap ¶

func (e *Error) Unwrap() error

Unwrap implements errors.Unwrap functionality.

type File ¶

type File struct {
	// contains filtered or unexported fields
}

A File is a handle to a Linux pidfd. If the process referred to by the pidfd no longer exists, File's methods will return an *Error value which is compatible with errors.Is(err, os.ErrNotExist).

func Open ¶

func Open(pid int) (*File, error)

Open opens a pidfd File referring to the process identified by pid. If the process does not exist, an *Error value is returned which is compatible with errors.Is(err, os.ErrNotExist).

func (*File) Close ¶

func (f *File) Close() error

Close releases the File's resources.

func (*File) SendSignal ¶

func (f *File) SendSignal(signal os.Signal) error

SendSignal sends a signal the process referred to by File. Note that unix.Signal values also implement os.Signal.

func (*File) Wait ¶

func (f *File) Wait(ctx context.Context) error

Wait waits for the process referred to by File to exit. If the context is canceled, Wait will unblock and return an error.

Source Files ¶

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