Revert "Fix the build on Illumos."

This commit is contained in:
James Phillips 2017-05-08 20:42:12 -07:00 committed by GitHub
parent 518fae04e4
commit 63f61063bf
22 changed files with 133 additions and 387 deletions

View file

@ -176,7 +176,7 @@
END OF TERMS AND CONDITIONS END OF TERMS AND CONDITIONS
Copyright 2013-2017 Docker, Inc. Copyright 2013-2016 Docker, Inc.
Licensed under the Apache License, Version 2.0 (the "License"); Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License. you may not use this file except in compliance with the License.

View file

@ -1,5 +1,5 @@
Docker Docker
Copyright 2012-2017 Docker, Inc. Copyright 2012-2016 Docker, Inc.
This product includes software developed at Docker, Inc. (https://www.docker.com). This product includes software developed at Docker, Inc. (https://www.docker.com).

View file

@ -6,8 +6,6 @@ package system
import ( import (
"syscall" "syscall"
"unsafe" "unsafe"
"golang.org/x/sys/windows"
) )
var ( var (
@ -69,7 +67,7 @@ func PulseEvent(handle syscall.Handle) (err error) {
return setResetPulse(handle, procPulseEvent) return setResetPulse(handle, procPulseEvent)
} }
func setResetPulse(handle syscall.Handle, proc *windows.LazyProc) (err error) { func setResetPulse(handle syscall.Handle, proc *syscall.LazyProc) (err error) {
r0, _, _ := proc.Call(uintptr(handle)) r0, _, _ := proc.Call(uintptr(handle))
if r0 != 0 { if r0 != 0 {
err = syscall.Errno(r0) err = syscall.Errno(r0)

View file

@ -1,33 +0,0 @@
package system
import (
"fmt"
"os/exec"
"syscall"
)
// GetExitCode returns the ExitStatus of the specified error if its type is
// exec.ExitError, returns 0 and an error otherwise.
func GetExitCode(err error) (int, error) {
exitCode := 0
if exiterr, ok := err.(*exec.ExitError); ok {
if procExit, ok := exiterr.Sys().(syscall.WaitStatus); ok {
return procExit.ExitStatus(), nil
}
}
return exitCode, fmt.Errorf("failed to get exit code")
}
// ProcessExitCode process the specified error and returns the exit status code
// if the error was of type exec.ExitError, returns nothing otherwise.
func ProcessExitCode(err error) (exitCode int) {
if err != nil {
var exiterr error
if exitCode, exiterr = GetExitCode(err); exiterr != nil {
// TODO: Fix this so we check the error's text.
// we've failed to retrieve exit code, so we set it to 127
exitCode = 127
}
}
return
}

View file

@ -3,17 +3,10 @@
package system package system
import ( import (
"io/ioutil"
"os" "os"
"path/filepath" "path/filepath"
) )
// MkdirAllWithACL is a wrapper for MkdirAll that creates a directory
// ACL'd for Builtin Administrators and Local System.
func MkdirAllWithACL(path string, perm os.FileMode) error {
return MkdirAll(path, perm)
}
// MkdirAll creates a directory named path along with any necessary parents, // MkdirAll creates a directory named path along with any necessary parents,
// with permission specified by attribute perm for all dir created. // with permission specified by attribute perm for all dir created.
func MkdirAll(path string, perm os.FileMode) error { func MkdirAll(path string, perm os.FileMode) error {
@ -24,45 +17,3 @@ func MkdirAll(path string, perm os.FileMode) error {
func IsAbs(path string) bool { func IsAbs(path string) bool {
return filepath.IsAbs(path) return filepath.IsAbs(path)
} }
// The functions below here are wrappers for the equivalents in the os and ioutils packages.
// They are passthrough on Unix platforms, and only relevant on Windows.
// CreateSequential creates the named file with mode 0666 (before umask), truncating
// it if it already exists. If successful, methods on the returned
// File can be used for I/O; the associated file descriptor has mode
// O_RDWR.
// If there is an error, it will be of type *PathError.
func CreateSequential(name string) (*os.File, error) {
return os.Create(name)
}
// OpenSequential opens the named file for reading. If successful, methods on
// the returned file can be used for reading; the associated file
// descriptor has mode O_RDONLY.
// If there is an error, it will be of type *PathError.
func OpenSequential(name string) (*os.File, error) {
return os.Open(name)
}
// OpenFileSequential is the generalized open call; most users will use Open
// or Create instead. It opens the named file with specified flag
// (O_RDONLY etc.) and perm, (0666 etc.) if applicable. If successful,
// methods on the returned File can be used for I/O.
// If there is an error, it will be of type *PathError.
func OpenFileSequential(name string, flag int, perm os.FileMode) (*os.File, error) {
return os.OpenFile(name, flag, perm)
}
// TempFileSequential creates a new temporary file in the directory dir
// with a name beginning with prefix, opens the file for reading
// and writing, and returns the resulting *os.File.
// If dir is the empty string, TempFile uses the default directory
// for temporary files (see os.TempDir).
// Multiple programs calling TempFile simultaneously
// will not choose the same file. The caller can use f.Name()
// to find the pathname of the file. It is the caller's responsibility
// to remove the file when no longer needed.
func TempFileSequential(dir, prefix string) (f *os.File, err error) {
return ioutil.TempFile(dir, prefix)
}

View file

@ -6,36 +6,17 @@ import (
"os" "os"
"path/filepath" "path/filepath"
"regexp" "regexp"
"strconv"
"strings" "strings"
"sync"
"syscall" "syscall"
"time"
"unsafe"
winio "github.com/Microsoft/go-winio"
) )
// MkdirAllWithACL is a wrapper for MkdirAll that creates a directory
// ACL'd for Builtin Administrators and Local System.
func MkdirAllWithACL(path string, perm os.FileMode) error {
return mkdirall(path, true)
}
// MkdirAll implementation that is volume path aware for Windows. // MkdirAll implementation that is volume path aware for Windows.
func MkdirAll(path string, _ os.FileMode) error { func MkdirAll(path string, perm os.FileMode) error {
return mkdirall(path, false)
}
// mkdirall is a custom version of os.MkdirAll modified for use on Windows
// so that it is both volume path aware, and can create a directory with
// a DACL.
func mkdirall(path string, adminAndLocalSystem bool) error {
if re := regexp.MustCompile(`^\\\\\?\\Volume{[a-z0-9-]+}$`); re.MatchString(path) { if re := regexp.MustCompile(`^\\\\\?\\Volume{[a-z0-9-]+}$`); re.MatchString(path) {
return nil return nil
} }
// The rest of this method is largely copied from os.MkdirAll and should be kept // The rest of this method is copied from os.MkdirAll and should be kept
// as-is to ensure compatibility. // as-is to ensure compatibility.
// Fast path: if we can tell whether path is a directory or file, stop with success or error. // Fast path: if we can tell whether path is a directory or file, stop with success or error.
@ -64,19 +45,14 @@ func mkdirall(path string, adminAndLocalSystem bool) error {
if j > 1 { if j > 1 {
// Create parent // Create parent
err = mkdirall(path[0:j-1], false) err = MkdirAll(path[0:j-1], perm)
if err != nil { if err != nil {
return err return err
} }
} }
// Parent now exists; invoke os.Mkdir or mkdirWithACL and use its result. // Parent now exists; invoke Mkdir and use its result.
if adminAndLocalSystem { err = os.Mkdir(path, perm)
err = mkdirWithACL(path)
} else {
err = os.Mkdir(path, 0)
}
if err != nil { if err != nil {
// Handle arguments like "foo/." by // Handle arguments like "foo/." by
// double-checking that directory doesn't exist. // double-checking that directory doesn't exist.
@ -89,36 +65,6 @@ func mkdirall(path string, adminAndLocalSystem bool) error {
return nil return nil
} }
// mkdirWithACL creates a new directory. If there is an error, it will be of
// type *PathError. .
//
// This is a modified and combined version of os.Mkdir and syscall.Mkdir
// in golang to cater for creating a directory am ACL permitting full
// access, with inheritance, to any subfolder/file for Built-in Administrators
// and Local System.
func mkdirWithACL(name string) error {
sa := syscall.SecurityAttributes{Length: 0}
sddl := "D:P(A;OICI;GA;;;BA)(A;OICI;GA;;;SY)"
sd, err := winio.SddlToSecurityDescriptor(sddl)
if err != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: err}
}
sa.Length = uint32(unsafe.Sizeof(sa))
sa.InheritHandle = 1
sa.SecurityDescriptor = uintptr(unsafe.Pointer(&sd[0]))
namep, err := syscall.UTF16PtrFromString(name)
if err != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: err}
}
e := syscall.CreateDirectory(namep, &sa)
if e != nil {
return &os.PathError{Op: "mkdir", Path: name, Err: e}
}
return nil
}
// IsAbs is a platform-specific wrapper for filepath.IsAbs. On Windows, // IsAbs is a platform-specific wrapper for filepath.IsAbs. On Windows,
// golang filepath.IsAbs does not consider a path \windows\system32 as absolute // golang filepath.IsAbs does not consider a path \windows\system32 as absolute
// as it doesn't start with a drive-letter/colon combination. However, in // as it doesn't start with a drive-letter/colon combination. However, in
@ -134,158 +80,3 @@ func IsAbs(path string) bool {
} }
return true return true
} }
// The origin of the functions below here are the golang OS and syscall packages,
// slightly modified to only cope with files, not directories due to the
// specific use case.
//
// The alteration is to allow a file on Windows to be opened with
// FILE_FLAG_SEQUENTIAL_SCAN (particular for docker load), to avoid eating
// the standby list, particularly when accessing large files such as layer.tar.
// CreateSequential creates the named file with mode 0666 (before umask), truncating
// it if it already exists. If successful, methods on the returned
// File can be used for I/O; the associated file descriptor has mode
// O_RDWR.
// If there is an error, it will be of type *PathError.
func CreateSequential(name string) (*os.File, error) {
return OpenFileSequential(name, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0)
}
// OpenSequential opens the named file for reading. If successful, methods on
// the returned file can be used for reading; the associated file
// descriptor has mode O_RDONLY.
// If there is an error, it will be of type *PathError.
func OpenSequential(name string) (*os.File, error) {
return OpenFileSequential(name, os.O_RDONLY, 0)
}
// OpenFileSequential is the generalized open call; most users will use Open
// or Create instead.
// If there is an error, it will be of type *PathError.
func OpenFileSequential(name string, flag int, _ os.FileMode) (*os.File, error) {
if name == "" {
return nil, &os.PathError{Op: "open", Path: name, Err: syscall.ENOENT}
}
r, errf := syscallOpenFileSequential(name, flag, 0)
if errf == nil {
return r, nil
}
return nil, &os.PathError{Op: "open", Path: name, Err: errf}
}
func syscallOpenFileSequential(name string, flag int, _ os.FileMode) (file *os.File, err error) {
r, e := syscallOpenSequential(name, flag|syscall.O_CLOEXEC, 0)
if e != nil {
return nil, e
}
return os.NewFile(uintptr(r), name), nil
}
func makeInheritSa() *syscall.SecurityAttributes {
var sa syscall.SecurityAttributes
sa.Length = uint32(unsafe.Sizeof(sa))
sa.InheritHandle = 1
return &sa
}
func syscallOpenSequential(path string, mode int, _ uint32) (fd syscall.Handle, err error) {
if len(path) == 0 {
return syscall.InvalidHandle, syscall.ERROR_FILE_NOT_FOUND
}
pathp, err := syscall.UTF16PtrFromString(path)
if err != nil {
return syscall.InvalidHandle, err
}
var access uint32
switch mode & (syscall.O_RDONLY | syscall.O_WRONLY | syscall.O_RDWR) {
case syscall.O_RDONLY:
access = syscall.GENERIC_READ
case syscall.O_WRONLY:
access = syscall.GENERIC_WRITE
case syscall.O_RDWR:
access = syscall.GENERIC_READ | syscall.GENERIC_WRITE
}
if mode&syscall.O_CREAT != 0 {
access |= syscall.GENERIC_WRITE
}
if mode&syscall.O_APPEND != 0 {
access &^= syscall.GENERIC_WRITE
access |= syscall.FILE_APPEND_DATA
}
sharemode := uint32(syscall.FILE_SHARE_READ | syscall.FILE_SHARE_WRITE)
var sa *syscall.SecurityAttributes
if mode&syscall.O_CLOEXEC == 0 {
sa = makeInheritSa()
}
var createmode uint32
switch {
case mode&(syscall.O_CREAT|syscall.O_EXCL) == (syscall.O_CREAT | syscall.O_EXCL):
createmode = syscall.CREATE_NEW
case mode&(syscall.O_CREAT|syscall.O_TRUNC) == (syscall.O_CREAT | syscall.O_TRUNC):
createmode = syscall.CREATE_ALWAYS
case mode&syscall.O_CREAT == syscall.O_CREAT:
createmode = syscall.OPEN_ALWAYS
case mode&syscall.O_TRUNC == syscall.O_TRUNC:
createmode = syscall.TRUNCATE_EXISTING
default:
createmode = syscall.OPEN_EXISTING
}
// Use FILE_FLAG_SEQUENTIAL_SCAN rather than FILE_ATTRIBUTE_NORMAL as implemented in golang.
//https://msdn.microsoft.com/en-us/library/windows/desktop/aa363858(v=vs.85).aspx
const fileFlagSequentialScan = 0x08000000 // FILE_FLAG_SEQUENTIAL_SCAN
h, e := syscall.CreateFile(pathp, access, sharemode, sa, createmode, fileFlagSequentialScan, 0)
return h, e
}
// Helpers for TempFileSequential
var rand uint32
var randmu sync.Mutex
func reseed() uint32 {
return uint32(time.Now().UnixNano() + int64(os.Getpid()))
}
func nextSuffix() string {
randmu.Lock()
r := rand
if r == 0 {
r = reseed()
}
r = r*1664525 + 1013904223 // constants from Numerical Recipes
rand = r
randmu.Unlock()
return strconv.Itoa(int(1e9 + r%1e9))[1:]
}
// TempFileSequential is a copy of ioutil.TempFile, modified to use sequential
// file access. Below is the original comment from golang:
// TempFile creates a new temporary file in the directory dir
// with a name beginning with prefix, opens the file for reading
// and writing, and returns the resulting *os.File.
// If dir is the empty string, TempFile uses the default directory
// for temporary files (see os.TempDir).
// Multiple programs calling TempFile simultaneously
// will not choose the same file. The caller can use f.Name()
// to find the pathname of the file. It is the caller's responsibility
// to remove the file when no longer needed.
func TempFileSequential(dir, prefix string) (f *os.File, err error) {
if dir == "" {
dir = os.TempDir()
}
nconflict := 0
for i := 0; i < 10000; i++ {
name := filepath.Join(dir, prefix+nextSuffix())
f, err = OpenFileSequential(name, os.O_RDWR|os.O_CREATE|os.O_EXCL, 0600)
if os.IsExist(err) {
if nconflict++; nconflict > 10 {
randmu.Lock()
rand = reseed()
randmu.Unlock()
}
continue
}
break
}
return
}

View file

@ -2,7 +2,9 @@
package system package system
import "syscall" import (
"syscall"
)
// Lstat takes a path to a file and returns // Lstat takes a path to a file and returns
// a system.StatT type pertaining to that file. // a system.StatT type pertaining to that file.

View file

@ -1,14 +1,25 @@
// +build windows
package system package system
import "os" import (
"os"
)
// Lstat calls os.Lstat to get a fileinfo interface back. // Lstat calls os.Lstat to get a fileinfo interface back.
// This is then copied into our own locally defined structure. // This is then copied into our own locally defined structure.
// Note the Linux version uses fromStatT to do the copy back,
// but that not strictly necessary when already in an OS specific module.
func Lstat(path string) (*StatT, error) { func Lstat(path string) (*StatT, error) {
fi, err := os.Lstat(path) fi, err := os.Lstat(path)
if err != nil { if err != nil {
return nil, err return nil, err
} }
return fromStatT(&fi) return &StatT{
name: fi.Name(),
size: fi.Size(),
mode: fi.Mode(),
modTime: fi.ModTime(),
isDir: fi.IsDir()}, nil
} }

View file

@ -7,7 +7,6 @@ import (
"unsafe" "unsafe"
) )
// #cgo CFLAGS: -std=c99
// #cgo LDFLAGS: -lkstat // #cgo LDFLAGS: -lkstat
// #include <unistd.h> // #include <unistd.h>
// #include <stdlib.h> // #include <stdlib.h>
@ -90,7 +89,7 @@ func ReadMemInfo() (*MemInfo, error) {
if ppKernel < 0 || MemTotal < 0 || MemFree < 0 || SwapTotal < 0 || if ppKernel < 0 || MemTotal < 0 || MemFree < 0 || SwapTotal < 0 ||
SwapFree < 0 { SwapFree < 0 {
return nil, fmt.Errorf("error getting system memory info %v\n", err) return nil, fmt.Errorf("Error getting system memory info %v\n", err)
} }
meminfo := &MemInfo{} meminfo := &MemInfo{}

View file

@ -1,13 +1,12 @@
package system package system
import ( import (
"syscall"
"unsafe" "unsafe"
"golang.org/x/sys/windows"
) )
var ( var (
modkernel32 = windows.NewLazySystemDLL("kernel32.dll") modkernel32 = syscall.NewLazyDLL("kernel32.dll")
procGlobalMemoryStatusEx = modkernel32.NewProc("GlobalMemoryStatusEx") procGlobalMemoryStatusEx = modkernel32.NewProc("GlobalMemoryStatusEx")
) )

View file

@ -1,22 +0,0 @@
// +build linux freebsd solaris darwin
package system
import (
"syscall"
)
// IsProcessAlive returns true if process with a given pid is running.
func IsProcessAlive(pid int) bool {
err := syscall.Kill(pid, syscall.Signal(0))
if err == nil || err == syscall.EPERM {
return true
}
return false
}
// KillProcess force-stops a process.
func KillProcess(pid int) {
syscall.Kill(pid, syscall.SIGKILL)
}

View file

@ -2,7 +2,9 @@
package system package system
import "syscall" import (
"syscall"
)
// StatT type contains status of a file. It contains metadata // StatT type contains status of a file. It contains metadata
// like permission, owner, group, size, etc about a file. // like permission, owner, group, size, etc about a file.
@ -45,14 +47,7 @@ func (s StatT) Mtim() syscall.Timespec {
return s.mtim return s.mtim
} }
// Stat takes a path to a file and returns // GetLastModification returns file's last modification time.
// a system.StatT type pertaining to that file. func (s StatT) GetLastModification() syscall.Timespec {
// return s.Mtim()
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
s := &syscall.Stat_t{}
if err := syscall.Stat(path, s); err != nil {
return nil, err
}
return fromStatT(s)
} }

View file

@ -1,6 +1,8 @@
package system package system
import "syscall" import (
"syscall"
)
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type // fromStatT converts a syscall.Stat_t type to a system.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) { func fromStatT(s *syscall.Stat_t) (*StatT, error) {
@ -11,3 +13,15 @@ func fromStatT(s *syscall.Stat_t) (*StatT, error) {
rdev: uint64(s.Rdev), rdev: uint64(s.Rdev),
mtim: s.Mtimespec}, nil mtim: s.Mtimespec}, nil
} }
// Stat takes a path to a file and returns
// a system.Stat_t type pertaining to that file.
//
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
s := &syscall.Stat_t{}
if err := syscall.Stat(path, s); err != nil {
return nil, err
}
return fromStatT(s)
}

View file

@ -1,19 +1,33 @@
package system package system
import "syscall" import (
"syscall"
)
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type // fromStatT converts a syscall.Stat_t type to a system.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) { func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size, return &StatT{size: s.Size,
mode: uint32(s.Mode), mode: s.Mode,
uid: s.Uid, uid: s.Uid,
gid: s.Gid, gid: s.Gid,
rdev: uint64(s.Rdev), rdev: s.Rdev,
mtim: s.Mtim}, nil mtim: s.Mtim}, nil
} }
// FromStatT converts a syscall.Stat_t type to a system.Stat_t type // FromStatT exists only on linux, and loads a system.StatT from a
// This is exposed on Linux as pkg/archive/changes uses it. // syscal.Stat_t.
func FromStatT(s *syscall.Stat_t) (*StatT, error) { func FromStatT(s *syscall.Stat_t) (*StatT, error) {
return fromStatT(s) return fromStatT(s)
} }
// Stat takes a path to a file and returns
// a system.StatT type pertaining to that file.
//
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
s := &syscall.Stat_t{}
if err := syscall.Stat(path, s); err != nil {
return nil, err
}
return fromStatT(s)
}

View file

@ -1,8 +1,10 @@
package system package system
import "syscall" import (
"syscall"
)
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type // fromStatT creates a system.StatT type from a syscall.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) { func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size, return &StatT{size: s.Size,
mode: uint32(s.Mode), mode: uint32(s.Mode),

View file

@ -1,8 +1,12 @@
// +build solaris
package system package system
import "syscall" import (
"syscall"
)
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type // fromStatT creates a system.StatT type from a syscall.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) { func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size, return &StatT{size: s.Size,
mode: uint32(s.Mode), mode: uint32(s.Mode),
@ -11,3 +15,20 @@ func fromStatT(s *syscall.Stat_t) (*StatT, error) {
rdev: uint64(s.Rdev), rdev: uint64(s.Rdev),
mtim: s.Mtim}, nil mtim: s.Mtim}, nil
} }
// FromStatT loads a system.StatT from a syscal.Stat_t.
func FromStatT(s *syscall.Stat_t) (*StatT, error) {
return fromStatT(s)
}
// Stat takes a path to a file and returns
// a system.StatT type pertaining to that file.
//
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
s := &syscall.Stat_t{}
if err := syscall.Stat(path, s); err != nil {
return nil, err
}
return fromStatT(s)
}

View file

@ -1,8 +1,12 @@
// +build !linux,!windows,!freebsd,!solaris,!openbsd
package system package system
import "syscall" import (
"syscall"
)
// fromStatT converts a syscall.Stat_t type to a system.Stat_t type // fromStatT creates a system.StatT type from a syscall.Stat_t type
func fromStatT(s *syscall.Stat_t) (*StatT, error) { func fromStatT(s *syscall.Stat_t) (*StatT, error) {
return &StatT{size: s.Size, return &StatT{size: s.Size,
mode: uint32(s.Mode), mode: uint32(s.Mode),

View file

@ -1,3 +1,5 @@
// +build windows
package system package system
import ( import (
@ -6,11 +8,18 @@ import (
) )
// StatT type contains status of a file. It contains metadata // StatT type contains status of a file. It contains metadata
// like permission, size, etc about a file. // like name, permission, size, etc about a file.
type StatT struct { type StatT struct {
mode os.FileMode name string
size int64 size int64
mtim time.Time mode os.FileMode
modTime time.Time
isDir bool
}
// Name returns file's name.
func (s StatT) Name() string {
return s.name
} }
// Size returns file's size. // Size returns file's size.
@ -20,30 +29,15 @@ func (s StatT) Size() int64 {
// Mode returns file's permission mode. // Mode returns file's permission mode.
func (s StatT) Mode() os.FileMode { func (s StatT) Mode() os.FileMode {
return os.FileMode(s.mode) return s.mode
} }
// Mtim returns file's last modification time. // ModTime returns file's last modification time.
func (s StatT) Mtim() time.Time { func (s StatT) ModTime() time.Time {
return time.Time(s.mtim) return s.modTime
} }
// Stat takes a path to a file and returns // IsDir returns whether file is actually a directory.
// a system.StatT type pertaining to that file. func (s StatT) IsDir() bool {
// return s.isDir
// Throws an error if the file does not exist
func Stat(path string) (*StatT, error) {
fi, err := os.Stat(path)
if err != nil {
return nil, err
}
return fromStatT(&fi)
}
// fromStatT converts a os.FileInfo type to a system.StatT type
func fromStatT(fi *os.FileInfo) (*StatT, error) {
return &StatT{
size: (*fi).Size(),
mode: (*fi).Mode(),
mtim: (*fi).ModTime()}, nil
} }

View file

@ -53,8 +53,6 @@ func GetOSVersion() OSVersion {
} }
// IsWindowsClient returns true if the SKU is client // IsWindowsClient returns true if the SKU is client
// @engine maintainers - this function should not be removed or modified as it
// is used to enforce licensing restrictions on Windows.
func IsWindowsClient() bool { func IsWindowsClient() bool {
osviex := &osVersionInfoEx{OSVersionInfoSize: 284} osviex := &osVersionInfoEx{OSVersionInfoSize: 284}
r1, _, err := procGetVersionExW.Call(uintptr(unsafe.Pointer(osviex))) r1, _, err := procGetVersionExW.Call(uintptr(unsafe.Pointer(osviex)))

View file

@ -0,0 +1,8 @@
package system
import "syscall"
// LUtimesNano is not supported by darwin platform.
func LUtimesNano(path string, ts []syscall.Timespec) error {
return ErrNotSupportedPlatform
}

View file

@ -1,10 +1,10 @@
// +build !linux,!freebsd // +build !linux,!freebsd,!darwin
package system package system
import "syscall" import "syscall"
// LUtimesNano is only supported on linux and freebsd. // LUtimesNano is not supported on platforms other than linux, freebsd and darwin.
func LUtimesNano(path string, ts []syscall.Timespec) error { func LUtimesNano(path string, ts []syscall.Timespec) error {
return ErrNotSupportedPlatform return ErrNotSupportedPlatform
} }

6
vendor/vendor.json vendored
View file

@ -360,10 +360,10 @@
"revisionTime": "2016-08-09T18:56:09Z" "revisionTime": "2016-08-09T18:56:09Z"
}, },
{ {
"checksumSHA1": "SXjPQfi84j+BFZi4Fl1c/OC/f7M=", "checksumSHA1": "Eh3iu/9RzHzNY4vHHPKaZISAgBo=",
"path": "github.com/docker/docker/pkg/system", "path": "github.com/docker/docker/pkg/system",
"revision": "f1571e8b67b4014189e356d20d4f388f0e9e88d3", "revision": "eb28dde01f165849bf372e18200e83042c76f26c",
"revisionTime": "2017-04-28T23:08:38Z" "revisionTime": "2016-08-09T18:56:09Z"
}, },
{ {
"checksumSHA1": "hZV62Xzt/i0e/WBKWww3rpkRAR4=", "checksumSHA1": "hZV62Xzt/i0e/WBKWww3rpkRAR4=",