sysfs

Documentation

Overview

Package sysfs includes a low-level filesystem interface and utilities needed for WebAssembly host functions (ABI) such as WASI.

The name sysfs was chosen because wazero's public API has a "sys" package, which was named after https://github.com/golang/sys.

Index

• Constants
• func DirFS(dir string) experimentalsys.FS
• func NewStdioFile(stdin bool, f fs.File) (fsapi.File, error)
• func NewTCPListenerFile(tl *net.TCPListener) socketapi.TCPSock
• func OpenFSFile(fs fs.FS, path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)
• func OpenFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (*os.File, experimentalsys.Errno)
• func OpenOSFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)
• type AdaptFS
  • func (a *AdaptFS) Chmod(string, fs.FileMode) experimentalsys.Errno
  • func (a *AdaptFS) Link(string, string) experimentalsys.Errno
  • func (a *AdaptFS) Lstat(path string) (sys.Stat_t, experimentalsys.Errno)
  • func (a *AdaptFS) Mkdir(string, fs.FileMode) experimentalsys.Errno
  • func (a *AdaptFS) OpenFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)
  • func (a *AdaptFS) Readlink(string) (string, experimentalsys.Errno)
  • func (a *AdaptFS) Rename(string, string) experimentalsys.Errno
  • func (a *AdaptFS) Rmdir(string) experimentalsys.Errno
  • func (a *AdaptFS) Stat(path string) (sys.Stat_t, experimentalsys.Errno)
  • func (a *AdaptFS) String() string
  • func (a *AdaptFS) Symlink(string, string) experimentalsys.Errno
  • func (a *AdaptFS) Unlink(string) experimentalsys.Errno
  • func (a *AdaptFS) Utimens(string, int64, int64) experimentalsys.Errno
• type ReadFS
  • func (r *ReadFS) Chmod(path string, perm fs.FileMode) experimentalsys.Errno
  • func (r *ReadFS) Link(_, _ string) experimentalsys.Errno
  • func (r *ReadFS) Mkdir(path string, perm fs.FileMode) experimentalsys.Errno
  • func (r *ReadFS) OpenFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)
  • func (r *ReadFS) Rename(from, to string) experimentalsys.Errno
  • func (r *ReadFS) Rmdir(path string) experimentalsys.Errno
  • func (r *ReadFS) Symlink(_, _ string) experimentalsys.Errno
  • func (r *ReadFS) Unlink(path string) experimentalsys.Errno
  • func (r *ReadFS) Utimens(path string, atim, mtim int64) experimentalsys.Errno

Constants

const MSG_PEEK = syscall.MSG_PEEK

MSG_PEEK is the constant syscall.MSG_PEEK

Functions

func DirFS

func DirFS(dir string) experimentalsys.FS

func NewStdioFile

func NewStdioFile(stdin bool, f fs.File) (fsapi.File, error)

func NewTCPListenerFile

func NewTCPListenerFile(tl *net.TCPListener) socketapi.TCPSock

NewTCPListenerFile creates a socketapi.TCPSock for a given *net.TCPListener.

func OpenFSFile

func OpenFSFile(fs fs.FS, path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)

func OpenFile

func OpenFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (*os.File, experimentalsys.Errno)

func OpenOSFile

func OpenOSFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)

Types

type AdaptFS

type AdaptFS struct {
	FS fs.FS
}

func (*AdaptFS) Chmod

func (a *AdaptFS) Chmod(string, fs.FileMode) experimentalsys.Errno

Chmod implements the same method as documented on sys.FS

func (*AdaptFS) Link

func (a *AdaptFS) Link(string, string) experimentalsys.Errno

Link implements the same method as documented on sys.FS

func (*AdaptFS) Lstat

func (a *AdaptFS) Lstat(path string) (sys.Stat_t, experimentalsys.Errno)

Lstat implements the same method as documented on sys.FS

func (*AdaptFS) Mkdir

func (a *AdaptFS) Mkdir(string, fs.FileMode) experimentalsys.Errno

Mkdir implements the same method as documented on sys.FS

func (*AdaptFS) OpenFile

func (a *AdaptFS) OpenFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)

OpenFile implements the same method as documented on sys.FS

func (*AdaptFS) Readlink

func (a *AdaptFS) Readlink(string) (string, experimentalsys.Errno)

Readlink implements the same method as documented on sys.FS

func (*AdaptFS) Rename

func (a *AdaptFS) Rename(string, string) experimentalsys.Errno

Rename implements the same method as documented on sys.FS

func (*AdaptFS) Rmdir

func (a *AdaptFS) Rmdir(string) experimentalsys.Errno

Rmdir implements the same method as documented on sys.FS

func (*AdaptFS) Stat

func (a *AdaptFS) Stat(path string) (sys.Stat_t, experimentalsys.Errno)

Stat implements the same method as documented on sys.FS

func (*AdaptFS) String

func (a *AdaptFS) String() string

String implements fmt.Stringer

func (*AdaptFS) Symlink

func (a *AdaptFS) Symlink(string, string) experimentalsys.Errno

Symlink implements the same method as documented on sys.FS

func (*AdaptFS) Unlink

func (a *AdaptFS) Unlink(string) experimentalsys.Errno

Unlink implements the same method as documented on sys.FS

func (*AdaptFS) Utimens

func (a *AdaptFS) Utimens(string, int64, int64) experimentalsys.Errno

Utimens implements the same method as documented on sys.FS

type ReadFS

type ReadFS struct {
	experimentalsys.FS
}

func (*ReadFS) Chmod

func (r *ReadFS) Chmod(path string, perm fs.FileMode) experimentalsys.Errno

Chmod implements the same method as documented on sys.FS

func (*ReadFS) Link

func (r *ReadFS) Link(_, _ string) experimentalsys.Errno

Link implements the same method as documented on sys.FS

func (*ReadFS) Mkdir

func (r *ReadFS) Mkdir(path string, perm fs.FileMode) experimentalsys.Errno

Mkdir implements the same method as documented on sys.FS

func (*ReadFS) OpenFile

func (r *ReadFS) OpenFile(path string, flag experimentalsys.Oflag, perm fs.FileMode) (experimentalsys.File, experimentalsys.Errno)

OpenFile implements the same method as documented on sys.FS

func (*ReadFS) Rename

func (r *ReadFS) Rename(from, to string) experimentalsys.Errno

Rename implements the same method as documented on sys.FS

func (*ReadFS) Rmdir

func (r *ReadFS) Rmdir(path string) experimentalsys.Errno

Rmdir implements the same method as documented on sys.FS

func (*ReadFS) Symlink

func (r *ReadFS) Symlink(_, _ string) experimentalsys.Errno

Symlink implements the same method as documented on sys.FS

func (*ReadFS) Unlink

func (r *ReadFS) Unlink(path string) experimentalsys.Errno

Unlink implements the same method as documented on sys.FS

func (*ReadFS) Utimens

func (r *ReadFS) Utimens(path string, atim, mtim int64) experimentalsys.Errno

Utimens implements the same method as documented on sys.FS