sysutil

package

v0.0.0-...-3756133 Latest Latest Go to latest Published: Dec 12, 2015 License: Apache-2.0 Imports: 7 Imported by: 0

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Repository

github.com/jlhawn/stemma

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Documentation ¶

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Index ¶

func GetXattr(path, attr string) ([]byte, error)
type Lock
- func NewLock(f *os.File) *Lock
type Xattr
type Xattrs

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func GetXattr ¶

func GetXattr(path, attr string) ([]byte, error)

GetXattr gets the value of the specified attr for the file at the given path.

Types ¶

type Lock ¶

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

Lock represents a file lock.

func NewLock ¶

func NewLock(f *os.File) *Lock

NewLock creates a new file lock using the given file.

func (*Lock) ExclusiveLock ¶

func (l *Lock) ExclusiveLock() error

ExclusiveLock acquires the file lock for exclusive use. If blocking is disabled and an incompatible lock is held by another process, the returned error will indicate EWOULDBLOCK.

func (*Lock) SetBlocking ¶

func (l *Lock) SetBlocking(blocking bool)

SetBlocking sets whether or not to wait when an incompatible lock is held by another process. Defaults to false.

func (*Lock) SharedLock ¶

func (l *Lock) SharedLock() error

SharedLock acquires the file lock for shared use. If blocking is disabled and an incompatible lock is held by another process, the returned error will indicate EWOULDBLOCK.

func (*Lock) Unlock ¶

func (l *Lock) Unlock() error

Unlock releases the file lock held by this process.

type Xattr ¶

type Xattr struct {
	Key string
	Val []byte
}

Xattr is an extended attribute key-value pair.

type Xattrs ¶

type Xattrs []Xattr

Xattrs is a list of extended attributes. Implements sort.Interface.

func GetXattrs ¶

func GetXattrs(path string) (Xattrs, error)

GetXattrs gets all of the xattrs for the file at the given path.

func NewXattrs ¶

func NewXattrs(m map[string][]byte) Xattrs

NewXattrs creates an ordered list of extended attributes from the given map.

func UnmarshalXattrs ¶

func UnmarshalXattrs(r io.Reader) (Xattrs, error)

UnmarshalXattrs unmarshals the binary encoding (little-endian) of a list of extended attributes from the given reader.

func (Xattrs) Len ¶

func (x Xattrs) Len() int

func (Xattrs) Less ¶

func (x Xattrs) Less(i, j int) bool

func (Xattrs) Map ¶

func (x Xattrs) Map() map[string][]byte

Map creates a map from this list of extended attributes.

func (Xattrs) Marshal ¶

func (x Xattrs) Marshal(w io.Writer) error

Marshal marshals the binary encoding (little-endian) of this list of extended attributes into the given writer.

func (Xattrs) Swap ¶

func (x Xattrs) Swap(i, j int)

Source Files ¶

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