Merge pull request #41482 from tklauser/unix-fileclone

daemon/graphdriver/copy/copy.go

@@ -42,7 +42,7 @@ func copyRegular(srcPath, dstPath string, fileinfo os.FileInfo, copyWithFileRang
 	defer dstFile.Close()
 
 	if *copyWithFileClone {
-		err = fiClone(srcFile, dstFile)
+		err = unix.IoctlFileClone(int(dstFile.Fd()), int(srcFile.Fd()))
 		if err == nil {
 			return nil
 		}

daemon/graphdriver/copy/copy_cgo.go

@@ -1,22 +0,0 @@
-// +build linux,cgo
-
-package copy // import "github.com/docker/docker/daemon/graphdriver/copy"
-
-/*
-#include <linux/fs.h>
-
-#ifndef FICLONE
-#define FICLONE		_IOW(0x94, 9, int)
-#endif
-*/
-import "C"
-import (
-	"os"
-
-	"golang.org/x/sys/unix"
-)
-
-func fiClone(srcFile, dstFile *os.File) error {
-	_, _, err := unix.Syscall(unix.SYS_IOCTL, dstFile.Fd(), C.FICLONE, srcFile.Fd())
-	return err
-}

daemon/graphdriver/copy/copy_nocgo.go

@@ -1,13 +0,0 @@
-// +build linux,!cgo
-
-package copy // import "github.com/docker/docker/daemon/graphdriver/copy"
-
-import (
-	"os"
-
-	"golang.org/x/sys/unix"
-)
-
-func fiClone(srcFile, dstFile *os.File) error {
-	return unix.ENOSYS
-}

vendor.conf

@@ -14,7 +14,7 @@ github.com/konsorten/go-windows-terminal-sequences  edb144dfd453055e1e49a3d8b410
 github.com/sirupsen/logrus                          60c74ad9be0d874af0ab0daef6ab07c5c5911f0d # v1.6.0
 github.com/tchap/go-patricia                        a7f0089c6f496e8e70402f61733606daa326cac5 # v2.3.0
 golang.org/x/net                                    ab34263943818b32f575efc978a3d24e80b04bd7
-golang.org/x/sys                                    196b9ba8737a10c9253b04174f25881e562da5b8
+golang.org/x/sys                                    aee5d888a86055dc6ab0342f9cdc7b53aaeaec62
 github.com/docker/go-units                          519db1ee28dcc9fd2474ae59fca29a810482bfb1 # v0.4.0
 github.com/docker/go-connections                    7395e3f8aa162843a74ed6d48e79627d9792ac55 # v0.4.0
 github.com/moby/sys                                 6154f11e6840c0d6b0dbb23f4125a6134b3013c9 # mountinfo/v0.1.3

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

@@ -16,3 +16,9 @@ func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
 	_, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(lk))))
 	return err
 }
+
+// FcntlFstore performs a fcntl syscall for the F_PREALLOCATE command.
+func FcntlFstore(fd uintptr, cmd int, fstore *Fstore_t) error {
+	_, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(fstore))))
+	return err
+}

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

@@ -401,6 +401,8 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Chroot(path string) (err error)
 //sys	ClockGettime(clockid int32, time *Timespec) (err error)
 //sys	Close(fd int) (err error)
+//sys	Clonefile(src string, dst string, flags int) (err error)
+//sys	Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error)
 //sys	Dup(fd int) (nfd int, err error)
 //sys	Dup2(from int, to int) (err error)
 //sys	Exchangedata(path1 string, path2 string, options int) (err error)
@@ -412,6 +414,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
 //sys	Fchown(fd int, uid int, gid int) (err error)
 //sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
+//sys	Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error)
 //sys	Flock(fd int, how int) (err error)
 //sys	Fpathconf(fd int, name int) (val int, err error)
 //sys	Fsync(fd int) (err error)

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

@@ -24,7 +24,7 @@ func bytes2iovec(bs [][]byte) []Iovec {
 	return iovecs
 }
 
-//sys   readv(fd int, iovs []Iovec) (n int, err error)
+//sys	readv(fd int, iovs []Iovec) (n int, err error)
 
 func Readv(fd int, iovs [][]byte) (n int, err error) {
 	iovecs := bytes2iovec(iovs)
@@ -32,7 +32,7 @@ func Readv(fd int, iovs [][]byte) (n int, err error) {
 	return n, err
 }
 
-//sys   preadv(fd int, iovs []Iovec, off int64) (n int, err error)
+//sys	preadv(fd int, iovs []Iovec, off int64) (n int, err error)
 
 func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
 	iovecs := bytes2iovec(iovs)
@@ -40,7 +40,7 @@ func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
 	return n, err
 }
 
-//sys   writev(fd int, iovs []Iovec) (n int, err error)
+//sys	writev(fd int, iovs []Iovec) (n int, err error)
 
 func Writev(fd int, iovs [][]byte) (n int, err error) {
 	iovecs := bytes2iovec(iovs)
@@ -48,10 +48,43 @@ func Writev(fd int, iovs [][]byte) (n int, err error) {
 	return n, err
 }
 
-//sys   pwritev(fd int, iovs []Iovec, off int64) (n int, err error)
+//sys	pwritev(fd int, iovs []Iovec, off int64) (n int, err error)
 
 func Pwritev(fd int, iovs [][]byte, off int64) (n int, err error) {
 	iovecs := bytes2iovec(iovs)
 	n, err = pwritev(fd, iovecs, off)
 	return n, err
 }
+
+//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) = libsocket.accept4
+
+func Accept4(fd int, flags int) (nfd int, sa Sockaddr, err error) {
+	var rsa RawSockaddrAny
+	var len _Socklen = SizeofSockaddrAny
+	nfd, err = accept4(fd, &rsa, &len, flags)
+	if err != nil {
+		return
+	}
+	if len > SizeofSockaddrAny {
+		panic("RawSockaddrAny too small")
+	}
+	sa, err = anyToSockaddr(fd, &rsa)
+	if err != nil {
+		Close(nfd)
+		nfd = 0
+	}
+	return
+}
+
+//sysnb	pipe2(p *[2]_C_int, flags int) (err error)
+
+func Pipe2(p []int, flags int) error {
+	if len(p) != 2 {
+		return EINVAL
+	}
+	var pp [2]_C_int
+	err := pipe2(&pp, flags)
+	p[0] = int(pp[0])
+	p[1] = int(pp[1])
+	return err
+}

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

@@ -112,6 +112,31 @@ func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) {
 	return &value, err
 }
 
+// IoctlFileClone performs an FICLONERANGE ioctl operation to clone the range of
+// data conveyed in value to the file associated with the file descriptor
+// destFd. See the ioctl_ficlonerange(2) man page for details.
+func IoctlFileCloneRange(destFd int, value *FileCloneRange) error {
+	err := ioctl(destFd, FICLONERANGE, uintptr(unsafe.Pointer(value)))
+	runtime.KeepAlive(value)
+	return err
+}
+
+// IoctlFileClone performs an FICLONE ioctl operation to clone the entire file
+// associated with the file description srcFd to the file associated with the
+// file descriptor destFd. See the ioctl_ficlone(2) man page for details.
+func IoctlFileClone(destFd, srcFd int) error {
+	return ioctl(destFd, FICLONE, uintptr(srcFd))
+}
+
+// IoctlFileClone performs an FIDEDUPERANGE ioctl operation to share the range of
+// data conveyed in value with the file associated with the file descriptor
+// destFd. See the ioctl_fideduperange(2) man page for details.
+func IoctlFileDedupeRange(destFd int, value *FileDedupeRange) error {
+	err := ioctl(destFd, FIDEDUPERANGE, uintptr(unsafe.Pointer(value)))
+	runtime.KeepAlive(value)
+	return err
+}
+
 //sys	Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error)
 
 func Link(oldpath string, newpath string) (err error) {
@@ -136,6 +161,12 @@ func Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 	return openat(dirfd, path, flags|O_LARGEFILE, mode)
 }
 
+//sys	openat2(dirfd int, path string, open_how *OpenHow, size int) (fd int, err error)
+
+func Openat2(dirfd int, path string, how *OpenHow) (fd int, err error) {
+	return openat2(dirfd, path, how, SizeofOpenHow)
+}
+
 //sys	ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error)
 
 func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {

vendor/golang.org/x/sys/unix/zerrors_darwin_386.go

@@ -232,6 +232,8 @@ const (
 	CLOCK_THREAD_CPUTIME_ID           = 0x10
 	CLOCK_UPTIME_RAW                  = 0x8
 	CLOCK_UPTIME_RAW_APPROX           = 0x9
+	CLONE_NOFOLLOW                    = 0x1
+	CLONE_NOOWNERCOPY                 = 0x2
 	CR0                               = 0x0
 	CR1                               = 0x1000
 	CR2                               = 0x2000

vendor/golang.org/x/sys/unix/zerrors_darwin_amd64.go

@@ -232,6 +232,8 @@ const (
 	CLOCK_THREAD_CPUTIME_ID           = 0x10
 	CLOCK_UPTIME_RAW                  = 0x8
 	CLOCK_UPTIME_RAW_APPROX           = 0x9
+	CLONE_NOFOLLOW                    = 0x1
+	CLONE_NOOWNERCOPY                 = 0x2
 	CR0                               = 0x0
 	CR1                               = 0x1000
 	CR2                               = 0x2000

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

@@ -232,6 +232,8 @@ const (
 	CLOCK_THREAD_CPUTIME_ID           = 0x10
 	CLOCK_UPTIME_RAW                  = 0x8
 	CLOCK_UPTIME_RAW_APPROX           = 0x9
+	CLONE_NOFOLLOW                    = 0x1
+	CLONE_NOOWNERCOPY                 = 0x2
 	CR0                               = 0x0
 	CR1                               = 0x1000
 	CR2                               = 0x2000

vendor/golang.org/x/sys/unix/zerrors_darwin_arm64.go

@@ -232,6 +232,8 @@ const (
 	CLOCK_THREAD_CPUTIME_ID           = 0x10
 	CLOCK_UPTIME_RAW                  = 0x8
 	CLOCK_UPTIME_RAW_APPROX           = 0x9
+	CLONE_NOFOLLOW                    = 0x1
+	CLONE_NOOWNERCOPY                 = 0x2
 	CR0                               = 0x0
 	CR1                               = 0x1000
 	CR2                               = 0x2000

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

@@ -686,6 +686,7 @@ const (
 	FD_CLOEXEC                                  = 0x1
 	FD_SETSIZE                                  = 0x400
 	FF0                                         = 0x0
+	FIDEDUPERANGE                               = 0xc0189436
 	FSCRYPT_KEY_DESCRIPTOR_SIZE                 = 0x8
 	FSCRYPT_KEY_DESC_PREFIX                     = "fscrypt:"
 	FSCRYPT_KEY_DESC_PREFIX_SIZE                = 0x8

vendor/golang.org/x/sys/unix/zerrors_linux_386.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x40049409
+	FICLONERANGE                     = 0x4020940d
 	FLUSHO                           = 0x1000
 	FP_XSTATE_MAGIC2                 = 0x46505845
 	FS_IOC_ENABLE_VERITY             = 0x40806685

vendor/golang.org/x/sys/unix/zerrors_linux_amd64.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x40049409
+	FICLONERANGE                     = 0x4020940d
 	FLUSHO                           = 0x1000
 	FP_XSTATE_MAGIC2                 = 0x46505845
 	FS_IOC_ENABLE_VERITY             = 0x40806685

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

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x40049409
+	FICLONERANGE                     = 0x4020940d
 	FLUSHO                           = 0x1000
 	FS_IOC_ENABLE_VERITY             = 0x40806685
 	FS_IOC_GETFLAGS                  = 0x80046601

vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go

@@ -73,6 +73,8 @@ const (
 	EXTRA_MAGIC                      = 0x45585401
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x40049409
+	FICLONERANGE                     = 0x4020940d
 	FLUSHO                           = 0x1000
 	FPSIMD_MAGIC                     = 0x46508001
 	FS_IOC_ENABLE_VERITY             = 0x40806685

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

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x80049409
+	FICLONERANGE                     = 0x8020940d
 	FLUSHO                           = 0x2000
 	FS_IOC_ENABLE_VERITY             = 0x80806685
 	FS_IOC_GETFLAGS                  = 0x40046601

vendor/golang.org/x/sys/unix/zerrors_linux_mips64.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x80049409
+	FICLONERANGE                     = 0x8020940d
 	FLUSHO                           = 0x2000
 	FS_IOC_ENABLE_VERITY             = 0x80806685
 	FS_IOC_GETFLAGS                  = 0x40086601

vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x80049409
+	FICLONERANGE                     = 0x8020940d
 	FLUSHO                           = 0x2000
 	FS_IOC_ENABLE_VERITY             = 0x80806685
 	FS_IOC_GETFLAGS                  = 0x40086601

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

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x80049409
+	FICLONERANGE                     = 0x8020940d
 	FLUSHO                           = 0x2000
 	FS_IOC_ENABLE_VERITY             = 0x80806685
 	FS_IOC_GETFLAGS                  = 0x40046601

vendor/golang.org/x/sys/unix/zerrors_linux_ppc64.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000000
 	FF1                              = 0x4000
 	FFDLY                            = 0x4000
+	FICLONE                          = 0x80049409
+	FICLONERANGE                     = 0x8020940d
 	FLUSHO                           = 0x800000
 	FS_IOC_ENABLE_VERITY             = 0x80806685
 	FS_IOC_GETFLAGS                  = 0x40086601

vendor/golang.org/x/sys/unix/zerrors_linux_ppc64le.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000000
 	FF1                              = 0x4000
 	FFDLY                            = 0x4000
+	FICLONE                          = 0x80049409
+	FICLONERANGE                     = 0x8020940d
 	FLUSHO                           = 0x800000
 	FS_IOC_ENABLE_VERITY             = 0x80806685
 	FS_IOC_GETFLAGS                  = 0x40086601

vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x40049409
+	FICLONERANGE                     = 0x4020940d
 	FLUSHO                           = 0x1000
 	FS_IOC_ENABLE_VERITY             = 0x40806685
 	FS_IOC_GETFLAGS                  = 0x80086601

vendor/golang.org/x/sys/unix/zerrors_linux_s390x.go

@@ -71,6 +71,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x40049409
+	FICLONERANGE                     = 0x4020940d
 	FLUSHO                           = 0x1000
 	FS_IOC_ENABLE_VERITY             = 0x40806685
 	FS_IOC_GETFLAGS                  = 0x80086601

vendor/golang.org/x/sys/unix/zerrors_linux_sparc64.go

@@ -75,6 +75,8 @@ const (
 	EXTPROC                          = 0x10000
 	FF1                              = 0x8000
 	FFDLY                            = 0x8000
+	FICLONE                          = 0x80049409
+	FICLONERANGE                     = 0x8020940d
 	FLUSHO                           = 0x1000
 	FS_IOC_ENABLE_VERITY             = 0x80806685
 	FS_IOC_GETFLAGS                  = 0x40086601

vendor/golang.org/x/sys/unix/zsyscall_darwin_386.go

@@ -958,6 +958,56 @@ func libc_close_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Clonefile(src string, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(funcPC(libc_clonefile_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefile_trampoline()
+
+//go:linkname libc_clonefile libc_clonefile
+//go:cgo_import_dynamic libc_clonefile clonefile "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_clonefileat_trampoline), uintptr(srcDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefileat_trampoline()
+
+//go:linkname libc_clonefileat libc_clonefileat
+//go:cgo_import_dynamic libc_clonefileat clonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup(fd int) (nfd int, err error) {
 	r0, _, e1 := syscall_syscall(funcPC(libc_dup_trampoline), uintptr(fd), 0, 0)
 	nfd = int(r0)
@@ -1146,6 +1196,26 @@ func libc_fchownat_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_fclonefileat_trampoline), uintptr(srcDirfd), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_fclonefileat_trampoline()
+
+//go:linkname libc_fclonefileat libc_fclonefileat
+//go:cgo_import_dynamic libc_fclonefileat fclonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Flock(fd int, how int) (err error) {
 	_, _, e1 := syscall_syscall(funcPC(libc_flock_trampoline), uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {

vendor/golang.org/x/sys/unix/zsyscall_darwin_386.s

@@ -110,6 +110,10 @@ TEXT ·libc_clock_gettime_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_clock_gettime(SB)
 TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_close(SB)
+TEXT ·libc_clonefile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefile(SB)
+TEXT ·libc_clonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefileat(SB)
 TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_dup(SB)
 TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
@@ -132,6 +136,8 @@ TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchown(SB)
 TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchownat(SB)
+TEXT ·libc_fclonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fclonefileat(SB)
 TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_flock(SB)
 TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
@@ -164,6 +170,8 @@ TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getrusage(SB)
 TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getsid(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
 TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getuid(SB)
 TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
@@ -266,8 +274,6 @@ TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_munmap(SB)
 TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_ptrace(SB)
-TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc_gettimeofday(SB)
 TEXT ·libc_fstat64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstat64(SB)
 TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0

vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.go

@@ -958,6 +958,56 @@ func libc_close_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Clonefile(src string, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(funcPC(libc_clonefile_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefile_trampoline()
+
+//go:linkname libc_clonefile libc_clonefile
+//go:cgo_import_dynamic libc_clonefile clonefile "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_clonefileat_trampoline), uintptr(srcDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefileat_trampoline()
+
+//go:linkname libc_clonefileat libc_clonefileat
+//go:cgo_import_dynamic libc_clonefileat clonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup(fd int) (nfd int, err error) {
 	r0, _, e1 := syscall_syscall(funcPC(libc_dup_trampoline), uintptr(fd), 0, 0)
 	nfd = int(r0)
@@ -1146,6 +1196,26 @@ func libc_fchownat_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_fclonefileat_trampoline), uintptr(srcDirfd), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_fclonefileat_trampoline()
+
+//go:linkname libc_fclonefileat libc_fclonefileat
+//go:cgo_import_dynamic libc_fclonefileat fclonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Flock(fd int, how int) (err error) {
 	_, _, e1 := syscall_syscall(funcPC(libc_flock_trampoline), uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {

vendor/golang.org/x/sys/unix/zsyscall_darwin_amd64.s

@@ -110,6 +110,10 @@ TEXT ·libc_clock_gettime_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_clock_gettime(SB)
 TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_close(SB)
+TEXT ·libc_clonefile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefile(SB)
+TEXT ·libc_clonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefileat(SB)
 TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_dup(SB)
 TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
@@ -132,6 +136,8 @@ TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchown(SB)
 TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchownat(SB)
+TEXT ·libc_fclonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fclonefileat(SB)
 TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_flock(SB)
 TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
@@ -164,6 +170,8 @@ TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getrusage(SB)
 TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getsid(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
 TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getuid(SB)
 TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
@@ -266,8 +274,6 @@ TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_munmap(SB)
 TEXT ·libc_ptrace_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_ptrace(SB)
-TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc_gettimeofday(SB)
 TEXT ·libc_fstat64_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstat64(SB)
 TEXT ·libc_fstatat64_trampoline(SB),NOSPLIT,$0-0

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

@@ -958,6 +958,56 @@ func libc_close_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Clonefile(src string, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(funcPC(libc_clonefile_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefile_trampoline()
+
+//go:linkname libc_clonefile libc_clonefile
+//go:cgo_import_dynamic libc_clonefile clonefile "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_clonefileat_trampoline), uintptr(srcDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefileat_trampoline()
+
+//go:linkname libc_clonefileat libc_clonefileat
+//go:cgo_import_dynamic libc_clonefileat clonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup(fd int) (nfd int, err error) {
 	r0, _, e1 := syscall_syscall(funcPC(libc_dup_trampoline), uintptr(fd), 0, 0)
 	nfd = int(r0)
@@ -1146,6 +1196,26 @@ func libc_fchownat_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_fclonefileat_trampoline), uintptr(srcDirfd), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_fclonefileat_trampoline()
+
+//go:linkname libc_fclonefileat libc_fclonefileat
+//go:cgo_import_dynamic libc_fclonefileat fclonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Flock(fd int, how int) (err error) {
 	_, _, e1 := syscall_syscall(funcPC(libc_flock_trampoline), uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {

vendor/golang.org/x/sys/unix/zsyscall_darwin_arm.s

@@ -110,6 +110,10 @@ TEXT ·libc_clock_gettime_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_clock_gettime(SB)
 TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_close(SB)
+TEXT ·libc_clonefile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefile(SB)
+TEXT ·libc_clonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefileat(SB)
 TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_dup(SB)
 TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
@@ -132,6 +136,8 @@ TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchown(SB)
 TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchownat(SB)
+TEXT ·libc_fclonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fclonefileat(SB)
 TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_flock(SB)
 TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
@@ -164,6 +170,8 @@ TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getrusage(SB)
 TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getsid(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
 TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getuid(SB)
 TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
@@ -264,8 +272,6 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_mmap(SB)
 TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_munmap(SB)
-TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc_gettimeofday(SB)
 TEXT ·libc_fstat_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstat(SB)
 TEXT ·libc_fstatat_trampoline(SB),NOSPLIT,$0-0

vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.go

@@ -958,6 +958,56 @@ func libc_close_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Clonefile(src string, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall(funcPC(libc_clonefile_trampoline), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(flags))
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefile_trampoline()
+
+//go:linkname libc_clonefile libc_clonefile
+//go:cgo_import_dynamic libc_clonefile clonefile "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(src)
+	if err != nil {
+		return
+	}
+	var _p1 *byte
+	_p1, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_clonefileat_trampoline), uintptr(srcDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p1)), uintptr(flags), 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_clonefileat_trampoline()
+
+//go:linkname libc_clonefileat libc_clonefileat
+//go:cgo_import_dynamic libc_clonefileat clonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Dup(fd int) (nfd int, err error) {
 	r0, _, e1 := syscall_syscall(funcPC(libc_dup_trampoline), uintptr(fd), 0, 0)
 	nfd = int(r0)
@@ -1146,6 +1196,26 @@ func libc_fchownat_trampoline()
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(dst)
+	if err != nil {
+		return
+	}
+	_, _, e1 := syscall_syscall6(funcPC(libc_fclonefileat_trampoline), uintptr(srcDirfd), uintptr(dstDirfd), uintptr(unsafe.Pointer(_p0)), uintptr(flags), 0, 0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_fclonefileat_trampoline()
+
+//go:linkname libc_fclonefileat libc_fclonefileat
+//go:cgo_import_dynamic libc_fclonefileat fclonefileat "/usr/lib/libSystem.B.dylib"
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func Flock(fd int, how int) (err error) {
 	_, _, e1 := syscall_syscall(funcPC(libc_flock_trampoline), uintptr(fd), uintptr(how), 0)
 	if e1 != 0 {

vendor/golang.org/x/sys/unix/zsyscall_darwin_arm64.s

@@ -110,6 +110,10 @@ TEXT ·libc_clock_gettime_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_clock_gettime(SB)
 TEXT ·libc_close_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_close(SB)
+TEXT ·libc_clonefile_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefile(SB)
+TEXT ·libc_clonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_clonefileat(SB)
 TEXT ·libc_dup_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_dup(SB)
 TEXT ·libc_dup2_trampoline(SB),NOSPLIT,$0-0
@@ -132,6 +136,8 @@ TEXT ·libc_fchown_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchown(SB)
 TEXT ·libc_fchownat_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fchownat(SB)
+TEXT ·libc_fclonefileat_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_fclonefileat(SB)
 TEXT ·libc_flock_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_flock(SB)
 TEXT ·libc_fpathconf_trampoline(SB),NOSPLIT,$0-0
@@ -164,6 +170,8 @@ TEXT ·libc_getrusage_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getrusage(SB)
 TEXT ·libc_getsid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getsid(SB)
+TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
+	JMP	libc_gettimeofday(SB)
 TEXT ·libc_getuid_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_getuid(SB)
 TEXT ·libc_issetugid_trampoline(SB),NOSPLIT,$0-0
@@ -264,8 +272,6 @@ TEXT ·libc_mmap_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_mmap(SB)
 TEXT ·libc_munmap_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_munmap(SB)
-TEXT ·libc_gettimeofday_trampoline(SB),NOSPLIT,$0-0
-	JMP	libc_gettimeofday(SB)
 TEXT ·libc_fstat_trampoline(SB),NOSPLIT,$0-0
 	JMP	libc_fstat(SB)
 TEXT ·libc_fstatat_trampoline(SB),NOSPLIT,$0-0

vendor/golang.org/x/sys/unix/zsyscall_illumos_amd64.go

@@ -13,17 +13,23 @@ import (
 //go:cgo_import_dynamic libc_preadv preadv "libc.so"
 //go:cgo_import_dynamic libc_writev writev "libc.so"
 //go:cgo_import_dynamic libc_pwritev pwritev "libc.so"
+//go:cgo_import_dynamic libc_accept4 accept4 "libsocket.so"
+//go:cgo_import_dynamic libc_pipe2 pipe2 "libc.so"
 
 //go:linkname procreadv libc_readv
 //go:linkname procpreadv libc_preadv
 //go:linkname procwritev libc_writev
 //go:linkname procpwritev libc_pwritev
+//go:linkname procaccept4 libc_accept4
+//go:linkname procpipe2 libc_pipe2
 
 var (
 	procreadv,
 	procpreadv,
 	procwritev,
-	procpwritev syscallFunc
+	procpwritev,
+	procaccept4,
+	procpipe2 syscallFunc
 )
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
@@ -85,3 +91,24 @@ func pwritev(fd int, iovs []Iovec, off int64) (n int, err error) {
 	}
 	return
 }
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) {
+	r0, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procaccept4)), 4, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen)), uintptr(flags), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
+func pipe2(p *[2]_C_int, flags int) (err error) {
+	_, _, e1 := rawSysvicall6(uintptr(unsafe.Pointer(&procpipe2)), 2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0, 0, 0, 0)
+	if e1 != 0 {
+		err = e1
+	}
+	return
+}

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

@@ -83,6 +83,22 @@ func openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
 
 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
 
+func openat2(dirfd int, path string, open_how *OpenHow, size int) (fd int, err error) {
+	var _p0 *byte
+	_p0, err = BytePtrFromString(path)
+	if err != nil {
+		return
+	}
+	r0, _, e1 := Syscall6(SYS_OPENAT2, uintptr(dirfd), uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(open_how)), uintptr(size), 0, 0)
+	fd = int(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
 func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error) {
 	r0, _, e1 := Syscall6(SYS_PPOLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(unsafe.Pointer(timeout)), uintptr(unsafe.Pointer(sigmask)), 0, 0)
 	n = int(r0)

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

@@ -76,6 +76,21 @@ type Fsid struct {
 	Val [2]int32
 }
 
+type FileCloneRange struct {
+	Src_fd      int64
+	Src_offset  uint64
+	Src_length  uint64
+	Dest_offset uint64
+}
+
+type FileDedupeRange struct {
+	Src_offset uint64
+	Src_length uint64
+	Dest_count uint16
+	Reserved1  uint16
+	Reserved2  uint32
+}
+
 type FscryptPolicy struct {
 	Version                   uint8
 	Contents_encryption_mode  uint8
@@ -752,6 +767,22 @@ const (
 	AT_EACCESS = 0x200
 )
 
+type OpenHow struct {
+	Flags   uint64
+	Mode    uint64
+	Resolve uint64
+}
+
+const SizeofOpenHow = 0x18
+
+const (
+	RESOLVE_BENEATH       = 0x8
+	RESOLVE_IN_ROOT       = 0x10
+	RESOLVE_NO_MAGICLINKS = 0x2
+	RESOLVE_NO_SYMLINKS   = 0x4
+	RESOLVE_NO_XDEV       = 0x1
+)
+
 type PollFd struct {
 	Fd      int32
 	Events  int16

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

@@ -65,6 +65,7 @@ const (
 	SERVICE_ACCEPT_HARDWAREPROFILECHANGE = 32
 	SERVICE_ACCEPT_POWEREVENT            = 64
 	SERVICE_ACCEPT_SESSIONCHANGE         = 128
+	SERVICE_ACCEPT_PRESHUTDOWN           = 256
 
 	SERVICE_CONTROL_STOP                  = 1
 	SERVICE_CONTROL_PAUSE                 = 2
@@ -80,6 +81,7 @@ const (
 	SERVICE_CONTROL_HARDWAREPROFILECHANGE = 12
 	SERVICE_CONTROL_POWEREVENT            = 13
 	SERVICE_CONTROL_SESSIONCHANGE         = 14
+	SERVICE_CONTROL_PRESHUTDOWN           = 15
 
 	SERVICE_ACTIVE    = 1
 	SERVICE_INACTIVE  = 2

vendor/golang.org/x/sys/windows/svc/service.go

@@ -50,6 +50,7 @@ const (
 	HardwareProfileChange = Cmd(windows.SERVICE_CONTROL_HARDWAREPROFILECHANGE)
 	PowerEvent            = Cmd(windows.SERVICE_CONTROL_POWEREVENT)
 	SessionChange         = Cmd(windows.SERVICE_CONTROL_SESSIONCHANGE)
+	PreShutdown           = Cmd(windows.SERVICE_CONTROL_PRESHUTDOWN)
 )
 
 // Accepted is used to describe commands accepted by the service.
@@ -65,6 +66,7 @@ const (
 	AcceptHardwareProfileChange = Accepted(windows.SERVICE_ACCEPT_HARDWAREPROFILECHANGE)
 	AcceptPowerEvent            = Accepted(windows.SERVICE_ACCEPT_POWEREVENT)
 	AcceptSessionChange         = Accepted(windows.SERVICE_ACCEPT_SESSIONCHANGE)
+	AcceptPreShutdown           = Accepted(windows.SERVICE_ACCEPT_PRESHUTDOWN)
 )
 
 // Status combines State and Accepted commands to fully describe running service.
@@ -202,6 +204,9 @@ func (s *service) updateStatus(status *Status, ec *exitCode) error {
 	if status.Accepts&AcceptSessionChange != 0 {
 		t.ControlsAccepted |= windows.SERVICE_ACCEPT_SESSIONCHANGE
 	}
+	if status.Accepts&AcceptPreShutdown != 0 {
+		t.ControlsAccepted |= windows.SERVICE_ACCEPT_PRESHUTDOWN
+	}
 	if ec.errno == 0 {
 		t.Win32ExitCode = windows.NO_ERROR
 		t.ServiceSpecificExitCode = windows.NO_ERROR

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

@@ -303,6 +303,7 @@ func NewCallbackCDecl(fn interface{}) uintptr {
 //sys	ResumeThread(thread Handle) (ret uint32, err error) [failretval==0xffffffff] = kernel32.ResumeThread
 //sys	SetPriorityClass(process Handle, priorityClass uint32) (err error) = kernel32.SetPriorityClass
 //sys	GetPriorityClass(process Handle) (ret uint32, err error) = kernel32.GetPriorityClass
+//sys	QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) = kernel32.QueryInformationJobObject
 //sys	SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error)
 //sys	GenerateConsoleCtrlEvent(ctrlEvent uint32, processGroupID uint32) (err error)
 //sys	GetProcessId(process Handle) (id uint32, err error)

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

@@ -1584,18 +1584,6 @@ const (
 	JOB_OBJECT_LIMIT_WORKINGSET                 = 0x00000001
 )
 
-type JOBOBJECT_BASIC_LIMIT_INFORMATION struct {
-	PerProcessUserTimeLimit int64
-	PerJobUserTimeLimit     int64
-	LimitFlags              uint32
-	MinimumWorkingSetSize   uintptr
-	MaximumWorkingSetSize   uintptr
-	ActiveProcessLimit      uint32
-	Affinity                uintptr
-	PriorityClass           uint32
-	SchedulingClass         uint32
-}
-
 type IO_COUNTERS struct {
 	ReadOperationCount  uint64
 	WriteOperationCount uint64

vendor/golang.org/x/sys/windows/types_windows_386.go

@@ -20,3 +20,16 @@ type Servent struct {
 	Port    uint16
 	Proto   *byte
 }
+
+type JOBOBJECT_BASIC_LIMIT_INFORMATION struct {
+	PerProcessUserTimeLimit int64
+	PerJobUserTimeLimit     int64
+	LimitFlags              uint32
+	MinimumWorkingSetSize   uintptr
+	MaximumWorkingSetSize   uintptr
+	ActiveProcessLimit      uint32
+	Affinity                uintptr
+	PriorityClass           uint32
+	SchedulingClass         uint32
+	_                       uint32 // pad to 8 byte boundary
+}

vendor/golang.org/x/sys/windows/types_windows_amd64.go

@@ -20,3 +20,15 @@ type Servent struct {
 	Proto   *byte
 	Port    uint16
 }
+
+type JOBOBJECT_BASIC_LIMIT_INFORMATION struct {
+	PerProcessUserTimeLimit int64
+	PerJobUserTimeLimit     int64
+	LimitFlags              uint32
+	MinimumWorkingSetSize   uintptr
+	MaximumWorkingSetSize   uintptr
+	ActiveProcessLimit      uint32
+	Affinity                uintptr
+	PriorityClass           uint32
+	SchedulingClass         uint32
+}

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

@@ -20,3 +20,16 @@ type Servent struct {
 	Port    uint16
 	Proto   *byte
 }
+
+type JOBOBJECT_BASIC_LIMIT_INFORMATION struct {
+	PerProcessUserTimeLimit int64
+	PerJobUserTimeLimit     int64
+	LimitFlags              uint32
+	MinimumWorkingSetSize   uintptr
+	MaximumWorkingSetSize   uintptr
+	ActiveProcessLimit      uint32
+	Affinity                uintptr
+	PriorityClass           uint32
+	SchedulingClass         uint32
+	_                       uint32 // pad to 8 byte boundary
+}

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

@@ -212,6 +212,7 @@ var (
 	procResumeThread                                         = modkernel32.NewProc("ResumeThread")
 	procSetPriorityClass                                     = modkernel32.NewProc("SetPriorityClass")
 	procGetPriorityClass                                     = modkernel32.NewProc("GetPriorityClass")
+	procQueryInformationJobObject                            = modkernel32.NewProc("QueryInformationJobObject")
 	procSetInformationJobObject                              = modkernel32.NewProc("SetInformationJobObject")
 	procGenerateConsoleCtrlEvent                             = modkernel32.NewProc("GenerateConsoleCtrlEvent")
 	procGetProcessId                                         = modkernel32.NewProc("GetProcessId")
@@ -2341,6 +2342,18 @@ func GetPriorityClass(process Handle) (ret uint32, err error) {
 	return
 }
 
+func QueryInformationJobObject(job Handle, JobObjectInformationClass int32, JobObjectInformation uintptr, JobObjectInformationLength uint32, retlen *uint32) (err error) {
+	r1, _, e1 := syscall.Syscall6(procQueryInformationJobObject.Addr(), 5, uintptr(job), uintptr(JobObjectInformationClass), uintptr(JobObjectInformation), uintptr(JobObjectInformationLength), uintptr(unsafe.Pointer(retlen)), 0)
+	if r1 == 0 {
+		if e1 != 0 {
+			err = errnoErr(e1)
+		} else {
+			err = syscall.EINVAL
+		}
+	}
+	return
+}
+
 func SetInformationJobObject(job Handle, JobObjectInformationClass uint32, JobObjectInformation uintptr, JobObjectInformationLength uint32) (ret int, err error) {
 	r0, _, e1 := syscall.Syscall6(procSetInformationJobObject.Addr(), 4, uintptr(job), uintptr(JobObjectInformationClass), uintptr(JobObjectInformation), uintptr(JobObjectInformationLength), 0, 0)
 	ret = int(r0)