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moby--moby/vendor/github.com/tonistiigi/fifo/handle_nolinux.go
Tonis Tiigi bebfcade04 vendor: update fifo to 14056439
Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
2016-11-07 16:19:03 -08:00

49 lines
887 B
Go

// +build !linux
package fifo
import (
"syscall"
"github.com/pkg/errors"
)
type handle struct {
fn string
dev uint64
ino uint64
}
func getHandle(fn string) (*handle, error) {
var stat syscall.Stat_t
if err := syscall.Stat(fn, &stat); err != nil {
return nil, errors.Wrapf(err, "failed to stat %v", fn)
}
h := &handle{
fn: fn,
dev: uint64(stat.Dev),
ino: stat.Ino,
}
return h, nil
}
func (h *handle) Path() (string, error) {
var stat syscall.Stat_t
if err := syscall.Stat(h.fn, &stat); err != nil {
return "", errors.Wrapf(err, "path %v could not be statted", h.fn)
}
if uint64(stat.Dev) != h.dev || stat.Ino != h.ino {
return "", errors.Errorf("failed to verify handle %v/%v %v/%v for %v", stat.Dev, h.dev, stat.Ino, h.ino, h.fn)
}
return h.fn, nil
}
func (h *handle) Name() string {
return h.fn
}
func (h *handle) Close() error {
return nil
}