Merge pull request #28140 from tonistiigi/update-fifo

vendor: update fifo to 14056439
This commit is contained in:
Brian Goff 2016-11-08 12:31:03 -05:00 committed by GitHub
commit 16ea0806f8
4 changed files with 20 additions and 9 deletions

View file

@ -97,7 +97,7 @@ github.com/docker/docker-credential-helpers f72c04f1d8e71959a6d103f808c50ccbad79
# containerd
github.com/docker/containerd 52ef1ceb4b660c42cf4ea9013180a5663968d4c7
github.com/tonistiigi/fifo b4c3a126bac4051ae3fa83bfcb3c60ab7a9da0dd
github.com/tonistiigi/fifo 1405643975692217d6720f8b54aeee1bf2cd5cf4
# cluster
github.com/docker/swarmkit 29950a4e9912178cadb72abc5a445e3a857cb2b0

View file

@ -97,7 +97,7 @@ func OpenFifo(ctx context.Context, fn string, flag int, perm os.FileMode) (io.Re
case <-ctx.Done():
err = ctx.Err()
default:
err = errors.Errorf("fifo %v was closed before opening", fn)
err = errors.Errorf("fifo %v was closed before opening", h.Name())
}
if file != nil {
file.Close()
@ -163,17 +163,18 @@ func (f *fifo) Write(b []byte) (int, error) {
// Close the fifo. Next reads/writes will error. This method can also be used
// before open(2) has returned and fifo was never opened.
func (f *fifo) Close() error {
func (f *fifo) Close() (retErr error) {
for {
select {
case <-f.closed:
f.handle.Close()
return f.err
return
default:
select {
case <-f.opened:
f.closedOnce.Do(func() {
f.err = f.file.Close()
retErr = f.file.Close()
f.err = retErr
close(f.closed)
})
default:

View file

@ -18,6 +18,7 @@ type handle struct {
dev uint64
ino uint64
closeOnce sync.Once
name string
}
func getHandle(fn string) (*handle, error) {
@ -33,9 +34,10 @@ func getHandle(fn string) (*handle, error) {
}
h := &handle{
f: f,
dev: stat.Dev,
ino: stat.Ino,
f: f,
name: fn,
dev: stat.Dev,
ino: stat.Ino,
}
// check /proc just in case
@ -51,6 +53,10 @@ func (h *handle) procPath() string {
return fmt.Sprintf("/proc/self/fd/%d", h.f.Fd())
}
func (h *handle) Name() string {
return h.name
}
func (h *handle) Path() (string, error) {
var stat syscall.Stat_t
if err := syscall.Stat(h.procPath(), &stat); err != nil {

View file

@ -35,11 +35,15 @@ func (h *handle) Path() (string, error) {
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", 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
}