update pkg to newest

Gopkg.lock

@@ -82,7 +82,7 @@
     "unix",
     "windows"
   ]
-  revision = "ac767d655b305d4e9612f5f6e33120b9176c4ad4"
+  revision = "bd9dbc187b6e1dacfdd2722a87e83093c2d7bd6e"
 
 [solve-meta]
   analyzer-name = "dep"

docs/README.md

@@ -1,3 +1,3 @@
 # Docs
 
-Documents are not necessarily updated synchronously, please see examples and godoc.
+Documents are not necessarily updated synchronously, slower than godoc, please see examples and godoc.

vendor/golang.org/x/sys/unix/ioctl.go

@@ -0,0 +1,30 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package unix
+
+import "runtime"
+
+// IoctlSetWinsize performs an ioctl on fd with a *Winsize argument.
+//
+// To change fd's window size, the req argument should be TIOCSWINSZ.
+func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+	// TODO: if we get the chance, remove the req parameter and
+	// hardcode TIOCSWINSZ.
+	err := ioctlSetWinsize(fd, req, value)
+	runtime.KeepAlive(value)
+	return err
+}
+
+// IoctlSetTermios performs an ioctl on fd with a *Termios.
+//
+// The req value will usually be TCSETA or TIOCSETA.
+func IoctlSetTermios(fd int, req uint, value *Termios) error {
+	// TODO: if we get the chance, remove the req parameter.
+	err := ioctlSetTermios(fd, req, value)
+	runtime.KeepAlive(value)
+	return err
+}

vendor/golang.org/x/sys/unix/syscall_darwin.go

@@ -313,11 +313,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
 	return ioctl(fd, req, uintptr(value))
 }
 
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
+func ioctlSetTermios(fd int, req uint, value *Termios) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 

vendor/golang.org/x/sys/unix/syscall_dragonfly.go

@@ -143,11 +143,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
 	return ioctl(fd, req, uintptr(value))
 }
 
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
+func ioctlSetTermios(fd int, req uint, value *Termios) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 

vendor/golang.org/x/sys/unix/syscall_freebsd.go

@@ -364,11 +364,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
 	return ioctl(fd, req, uintptr(value))
 }
 
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
+func ioctlSetTermios(fd int, req uint, value *Termios) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 

vendor/golang.org/x/sys/unix/syscall_linux.go

@@ -61,11 +61,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
 	return ioctl(fd, req, uintptr(value))
 }
 
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
+func ioctlSetTermios(fd int, req uint, value *Termios) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
@@ -1415,10 +1415,70 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
 func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 	if flags & ^(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 {
 		return EINVAL
-	} else if flags&(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 {
-		return EOPNOTSUPP
 	}
-	return faccessat(dirfd, path, mode)
+
+	// The Linux kernel faccessat system call does not take any flags.
+	// The glibc faccessat implements the flags itself; see
+	// https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/faccessat.c;hb=HEAD
+	// Because people naturally expect syscall.Faccessat to act
+	// like C faccessat, we do the same.
+
+	if flags == 0 {
+		return faccessat(dirfd, path, mode)
+	}
+
+	var st Stat_t
+	if err := Fstatat(dirfd, path, &st, flags&AT_SYMLINK_NOFOLLOW); err != nil {
+		return err
+	}
+
+	mode &= 7
+	if mode == 0 {
+		return nil
+	}
+
+	var uid int
+	if flags&AT_EACCESS != 0 {
+		uid = Geteuid()
+	} else {
+		uid = Getuid()
+	}
+
+	if uid == 0 {
+		if mode&1 == 0 {
+			// Root can read and write any file.
+			return nil
+		}
+		if st.Mode&0111 != 0 {
+			// Root can execute any file that anybody can execute.
+			return nil
+		}
+		return EACCES
+	}
+
+	var fmode uint32
+	if uint32(uid) == st.Uid {
+		fmode = (st.Mode >> 6) & 7
+	} else {
+		var gid int
+		if flags&AT_EACCESS != 0 {
+			gid = Getegid()
+		} else {
+			gid = Getgid()
+		}
+
+		if uint32(gid) == st.Gid {
+			fmode = (st.Mode >> 3) & 7
+		} else {
+			fmode = st.Mode & 7
+		}
+	}
+
+	if fmode&mode == mode {
+		return nil
+	}
+
+	return EACCES
 }
 
 /*

vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go

@@ -124,14 +124,13 @@ func Pipe2(p []int, flags int) (err error) {
 	return
 }
 
+//sysnb pipe() (p1 int, p2 int, err error)
+
 func Pipe(p []int) (err error) {
 	if len(p) != 2 {
 		return EINVAL
 	}
-	var pp [2]_C_int
-	err = pipe2(&pp, 0)
-	p[0] = int(pp[0])
-	p[1] = int(pp[1])
+	p[0], p[1], err = pipe()
 	return
 }
 

vendor/golang.org/x/sys/unix/syscall_netbsd.go

@@ -145,11 +145,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
 	return ioctl(fd, req, uintptr(value))
 }
 
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
+func ioctlSetTermios(fd int, req uint, value *Termios) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 

vendor/golang.org/x/sys/unix/syscall_openbsd.go

@@ -113,11 +113,11 @@ func IoctlSetInt(fd int, req uint, value int) error {
 	return ioctl(fd, req, uintptr(value))
 }
 
-func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
-func IoctlSetTermios(fd int, req uint, value *Termios) error {
+func ioctlSetTermios(fd int, req uint, value *Termios) error {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 

vendor/golang.org/x/sys/unix/syscall_solaris.go

@@ -540,11 +540,11 @@ func IoctlSetInt(fd int, req uint, value int) (err error) {
 	return ioctl(fd, req, uintptr(value))
 }
 
-func IoctlSetWinsize(fd int, req uint, value *Winsize) (err error) {
+func ioctlSetWinsize(fd int, req uint, value *Winsize) (err error) {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
-func IoctlSetTermios(fd int, req uint, value *Termios) (err error) {
+func ioctlSetTermios(fd int, req uint, value *Termios) (err error) {
 	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 

vendor/golang.org/x/sys/unix/zsyscall_linux_mips.go

@@ -2137,6 +2137,18 @@ func pipe2(p *[2]_C_int, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func pipe() (p1 int, p2 int, err error) {
+	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
+	p1 = int(r0)
+	p2 = int(r1)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) {
 	r0, _, e1 := Syscall6(SYS_MMAP2, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(pageOffset))
 	xaddr = uintptr(r0)

vendor/golang.org/x/sys/unix/zsyscall_linux_mipsle.go

@@ -2137,6 +2137,18 @@ func pipe2(p *[2]_C_int, flags int) (err error) {
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func pipe() (p1 int, p2 int, err error) {
+	r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0)
+	p1 = int(r0)
+	p2 = int(r1)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) {
 	r0, _, e1 := Syscall6(SYS_MMAP2, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(pageOffset))
 	xaddr = uintptr(r0)

vendor/golang.org/x/sys/unix/ztypes_linux_386.go

@@ -1852,3 +1852,25 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int32
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+}
+
+const (
+	BLKPG                  = 0x1269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_amd64.go

@@ -1872,3 +1872,27 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int64
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	_       [4]byte
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x1269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_arm.go

@@ -1841,3 +1841,26 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int32
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x1269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_arm64.go

@@ -1851,3 +1851,27 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int64
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	_       [4]byte
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x1269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_mips.go

@@ -1846,3 +1846,26 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int32
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x20001269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_mips64.go

@@ -1853,3 +1853,27 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int64
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	_       [4]byte
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x20001269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_mips64le.go

@@ -1853,3 +1853,27 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int64
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	_       [4]byte
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x20001269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_mipsle.go

@@ -1846,3 +1846,26 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int32
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x20001269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_ppc64.go

@@ -1861,3 +1861,27 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int64
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	_       [4]byte
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x20001269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_ppc64le.go

@@ -1861,3 +1861,27 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int64
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	_       [4]byte
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x20001269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/unix/ztypes_linux_s390x.go

@@ -1878,3 +1878,27 @@ type RTCPLLInfo struct {
 	Negmult int32
 	Clock   int64
 }
+
+type BlkpgIoctlArg struct {
+	Op      int32
+	Flags   int32
+	Datalen int32
+	_       [4]byte
+	Data    *byte
+}
+
+type BlkpgPartition struct {
+	Start   int64
+	Length  int64
+	Pno     int32
+	Devname [64]uint8
+	Volname [64]uint8
+	_       [4]byte
+}
+
+const (
+	BLKPG                  = 0x1269
+	BLKPG_ADD_PARTITION    = 0x1
+	BLKPG_DEL_PARTITION    = 0x2
+	BLKPG_RESIZE_PARTITION = 0x3
+)

vendor/golang.org/x/sys/windows/syscall_windows.go

@@ -112,12 +112,14 @@ func Getpagesize() int { return 4096 }
 
 // NewCallback converts a Go function to a function pointer conforming to the stdcall calling convention.
 // This is useful when interoperating with Windows code requiring callbacks.
+// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
 func NewCallback(fn interface{}) uintptr {
 	return syscall.NewCallback(fn)
 }
 
 // NewCallbackCDecl converts a Go function to a function pointer conforming to the cdecl calling convention.
 // This is useful when interoperating with Windows code requiring callbacks.
+// The argument is expected to be a function with with one uintptr-sized result. The function must not have arguments with size larger than the size of uintptr.
 func NewCallbackCDecl(fn interface{}) uintptr {
 	return syscall.NewCallbackCDecl(fn)
 }