4a6a2b9db0
The syscall package is locked down and the comment in [1] advises to
switch code to use the corresponding package from golang.org/x/sys. Do
so and replace usage of package syscall with package
golang.org/x/sys/{unix,windows} where applicable.
[1] https://github.com/golang/go/blob/master/src/syscall/syscall.go#L21-L24
This will also allow to get updates and fixes for syscall wrappers
without having to use a new go version.
Errno, Signal and SysProcAttr aren't changed as they haven't been
implemented in x/sys/. Stat_t from syscall is used if standard library
packages (e.g. os) require it. syscall.ENOTSUP, syscall.SIGKILL and
syscall.SIGTERM are used for cross-platform files.
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
// +build solaris darwin freebsd
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package fs
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import (
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"io"
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"os"
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"syscall"
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"github.com/containerd/containerd/sys"
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"github.com/containerd/continuity/sysx"
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"github.com/pkg/errors"
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"golang.org/x/sys/unix"
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)
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func copyFileInfo(fi os.FileInfo, name string) error {
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st := fi.Sys().(*syscall.Stat_t)
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if err := os.Lchown(name, int(st.Uid), int(st.Gid)); err != nil {
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return errors.Wrapf(err, "failed to chown %s", name)
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}
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if (fi.Mode() & os.ModeSymlink) != os.ModeSymlink {
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if err := os.Chmod(name, fi.Mode()); err != nil {
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return errors.Wrapf(err, "failed to chmod %s", name)
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}
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}
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timespec := []syscall.Timespec{sys.StatAtime(st), sys.StatMtime(st)}
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if err := syscall.UtimesNano(name, timespec); err != nil {
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return errors.Wrapf(err, "failed to utime %s", name)
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}
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return nil
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}
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func copyFileContent(dst, src *os.File) error {
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buf := bufferPool.Get().([]byte)
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_, err := io.CopyBuffer(dst, src, buf)
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bufferPool.Put(buf)
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return err
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}
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func copyXAttrs(dst, src string) error {
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xattrKeys, err := sysx.LListxattr(src)
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if err != nil {
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return errors.Wrapf(err, "failed to list xattrs on %s", src)
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}
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for _, xattr := range xattrKeys {
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data, err := sysx.LGetxattr(src, xattr)
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if err != nil {
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return errors.Wrapf(err, "failed to get xattr %q on %s", xattr, src)
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}
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if err := sysx.LSetxattr(dst, xattr, data, 0); err != nil {
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return errors.Wrapf(err, "failed to set xattr %q on %s", xattr, dst)
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}
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}
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return nil
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}
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func copyDevice(dst string, fi os.FileInfo) error {
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st, ok := fi.Sys().(*syscall.Stat_t)
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if !ok {
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return errors.New("unsupported stat type")
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}
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return unix.Mknod(dst, uint32(fi.Mode()), int(st.Rdev))
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}
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