From 7e44b69d78df692ea16df94fd8dfcb01843d7f19 Mon Sep 17 00:00:00 2001 From: Hiroshi Ioka Date: Sun, 28 Feb 2016 00:36:46 +0900 Subject: [PATCH] x/sys/unix: fix invalid syscall on linux/arm Some system calls are obsolete and no longer available for EABI. This CL replace such system call usages. Updates golang/go#14524 Change-Id: Ib99b239455ca677e46d7097911904c45119051bd Reviewed-on: https://go-review.googlesource.com/19945 Run-TryBot: Brad Fitzpatrick Reviewed-by: Brad Fitzpatrick --- unix/syscall_linux.go | 1 - unix/syscall_linux_386.go | 2 + unix/syscall_linux_amd64.go | 2 + unix/syscall_linux_arm.go | 23 ++++++- unix/syscall_linux_arm64.go | 2 + unix/syscall_linux_mips64x.go | 2 + unix/syscall_linux_ppc64x.go | 2 + unix/syscall_linux_test.go | 110 ++++++++++++++++++++++++++++++++ unix/zsyscall_linux_386.go | 32 +++++----- unix/zsyscall_linux_amd64.go | 32 +++++----- unix/zsyscall_linux_arm.go | 29 +-------- unix/zsyscall_linux_arm64.go | 32 +++++----- unix/zsyscall_linux_mips64.go | 32 +++++----- unix/zsyscall_linux_mips64le.go | 32 +++++----- unix/zsyscall_linux_ppc64.go | 32 +++++----- unix/zsyscall_linux_ppc64le.go | 32 +++++----- 16 files changed, 254 insertions(+), 143 deletions(-) create mode 100644 unix/syscall_linux_test.go diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go index 5048e563..9f6727c5 100644 --- a/unix/syscall_linux.go +++ b/unix/syscall_linux.go @@ -921,7 +921,6 @@ func Setgid(uid int) (err error) { //sys Unmount(target string, flags int) (err error) = SYS_UMOUNT2 //sys Unshare(flags int) (err error) //sys Ustat(dev int, ubuf *Ustat_t) (err error) -//sys Utime(path string, buf *Utimbuf) (err error) //sys write(fd int, p []byte) (n int, err error) //sys exitThread(code int) (err error) = SYS_EXIT //sys readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ diff --git a/unix/syscall_linux_386.go b/unix/syscall_linux_386.go index 7171219a..45844015 100644 --- a/unix/syscall_linux_386.go +++ b/unix/syscall_linux_386.go @@ -181,6 +181,8 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { //sysnb Gettimeofday(tv *Timeval) (err error) //sysnb Time(t *Time_t) (tt Time_t, err error) +//sys Utime(path string, buf *Utimbuf) (err error) + // On x86 Linux, all the socket calls go through an extra indirection, // I think because the 5-register system call interface can't handle // the 6-argument calls like sendto and recvfrom. Instead the diff --git a/unix/syscall_linux_amd64.go b/unix/syscall_linux_amd64.go index ae70c2af..60698e44 100644 --- a/unix/syscall_linux_amd64.go +++ b/unix/syscall_linux_amd64.go @@ -86,6 +86,8 @@ func Time(t *Time_t) (tt Time_t, err error) { return Time_t(tv.Sec), nil } +//sys Utime(path string, buf *Utimbuf) (err error) + func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } func NsecToTimespec(nsec int64) (ts Timespec) { diff --git a/unix/syscall_linux_arm.go b/unix/syscall_linux_arm.go index abc41c3e..3b4da206 100644 --- a/unix/syscall_linux_arm.go +++ b/unix/syscall_linux_arm.go @@ -108,7 +108,26 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { // Vsyscalls on amd64. //sysnb Gettimeofday(tv *Timeval) (err error) -//sysnb Time(t *Time_t) (tt Time_t, err error) + +func Time(t *Time_t) (Time_t, error) { + var tv Timeval + err := Gettimeofday(&tv) + if err != nil { + return 0, err + } + if t != nil { + *t = Time_t(tv.Sec) + } + return Time_t(tv.Sec), nil +} + +func Utime(path string, buf *Utimbuf) error { + tv := []Timeval{ + {Sec: buf.Actime}, + {Sec: buf.Modtime}, + } + return Utimes(path, tv) +} //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 @@ -158,7 +177,7 @@ type rlimit32 struct { Max uint32 } -//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_GETRLIMIT +//sysnb getrlimit(resource int, rlim *rlimit32) (err error) = SYS_UGETRLIMIT const rlimInf32 = ^uint32(0) const rlimInf64 = ^uint64(0) diff --git a/unix/syscall_linux_arm64.go b/unix/syscall_linux_arm64.go index f3d72dfd..c87872e8 100644 --- a/unix/syscall_linux_arm64.go +++ b/unix/syscall_linux_arm64.go @@ -72,6 +72,8 @@ func Getpagesize() int { return 65536 } //sysnb Gettimeofday(tv *Timeval) (err error) //sysnb Time(t *Time_t) (tt Time_t, err error) +//sys Utime(path string, buf *Utimbuf) (err error) + func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } func NsecToTimespec(nsec int64) (ts Timespec) { diff --git a/unix/syscall_linux_mips64x.go b/unix/syscall_linux_mips64x.go index 077d90ac..f23dd6c3 100644 --- a/unix/syscall_linux_mips64x.go +++ b/unix/syscall_linux_mips64x.go @@ -75,6 +75,8 @@ func Time(t *Time_t) (tt Time_t, err error) { return Time_t(tv.Sec), nil } +//sys Utime(path string, buf *Utimbuf) (err error) + func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } func NsecToTimespec(nsec int64) (ts Timespec) { diff --git a/unix/syscall_linux_ppc64x.go b/unix/syscall_linux_ppc64x.go index 67eed633..2503b7f5 100644 --- a/unix/syscall_linux_ppc64x.go +++ b/unix/syscall_linux_ppc64x.go @@ -62,6 +62,8 @@ func Getpagesize() int { return 65536 } //sysnb Gettimeofday(tv *Timeval) (err error) //sysnb Time(t *Time_t) (tt Time_t, err error) +//sys Utime(path string, buf *Utimbuf) (err error) + func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } func NsecToTimespec(nsec int64) (ts Timespec) { diff --git a/unix/syscall_linux_test.go b/unix/syscall_linux_test.go new file mode 100644 index 00000000..2238b658 --- /dev/null +++ b/unix/syscall_linux_test.go @@ -0,0 +1,110 @@ +// Copyright 2016 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 linux + +package unix_test + +import ( + "io/ioutil" + "os" + "testing" + "time" + + "golang.org/x/sys/unix" +) + +func TestTime(t *testing.T) { + var ut unix.Time_t + ut2, err := unix.Time(&ut) + if err != nil { + t.Fatalf("Time: %v", err) + } + if ut != ut2 { + t.Errorf("Time: return value %v should be equal to argument %v", ut2, ut) + } + + var now time.Time + + for i := 0; i < 10; i++ { + ut, err = unix.Time(nil) + if err != nil { + t.Fatalf("Time: %v", err) + } + + now = time.Now() + + if int64(ut) == now.Unix() { + return + } + } + + t.Errorf("Time: return value %v should be nearly equal to time.Now().Unix() %v", ut, now.Unix()) +} + +func TestUtime(t *testing.T) { + defer chtmpdir(t)() + + touch(t, "file1") + + buf := &unix.Utimbuf{ + Modtime: 12345, + } + + err := unix.Utime("file1", buf) + if err != nil { + t.Fatalf("Utime: %v", err) + } + + fi, err := os.Stat("file1") + if err != nil { + t.Fatal(err) + } + + if fi.ModTime().Unix() != 12345 { + t.Errorf("Utime: failed to change modtime: expected %v, got %v", 12345, fi.ModTime().Unix()) + } +} + +func TestGetrlimit(t *testing.T) { + var rlim unix.Rlimit + err := unix.Getrlimit(unix.RLIMIT_AS, &rlim) + if err != nil { + t.Fatalf("Getrlimit: %v", err) + } +} + +// utilities taken from os/os_test.go + +func touch(t *testing.T, name string) { + f, err := os.Create(name) + if err != nil { + t.Fatal(err) + } + if err := f.Close(); err != nil { + t.Fatal(err) + } +} + +// chtmpdir changes the working directory to a new temporary directory and +// provides a cleanup function. Used when PWD is read-only. +func chtmpdir(t *testing.T) func() { + oldwd, err := os.Getwd() + if err != nil { + t.Fatalf("chtmpdir: %v", err) + } + d, err := ioutil.TempDir("", "test") + if err != nil { + t.Fatalf("chtmpdir: %v", err) + } + if err := os.Chdir(d); err != nil { + t.Fatalf("chtmpdir: %v", err) + } + return func() { + if err := os.Chdir(oldwd); err != nil { + t.Fatalf("chtmpdir: %v", err) + } + os.RemoveAll(d) + } +} diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go index ff6c39dc..af464ca7 100644 --- a/unix/zsyscall_linux_386.go +++ b/unix/zsyscall_linux_386.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1626,3 +1610,19 @@ func Time(t *Time_t) (tt Time_t, err error) { } return } + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Utime(path string, buf *Utimbuf) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) + use(unsafe.Pointer(_p0)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go index c2438522..350aaaa1 100644 --- a/unix/zsyscall_linux_amd64.go +++ b/unix/zsyscall_linux_amd64.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1803,6 +1787,22 @@ func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int6 // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func Utime(path string, buf *Utimbuf) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) + use(unsafe.Pointer(_p0)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func pipe(p *[2]_C_int) (err error) { _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) if e1 != 0 { diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go index dd66c975..5782e496 100644 --- a/unix/zsyscall_linux_arm.go +++ b/unix/zsyscall_linux_arm.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1655,17 +1639,6 @@ func Gettimeofday(tv *Timeval) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Time(t *Time_t) (tt Time_t, err error) { - r0, _, e1 := RawSyscall(SYS_TIME, uintptr(unsafe.Pointer(t)), 0, 0) - tt = Time_t(r0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func Pread(fd int, p []byte, offset int64) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1738,7 +1711,7 @@ func mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT func getrlimit(resource int, rlim *rlimit32) (err error) { - _, _, e1 := RawSyscall(SYS_GETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0) + _, _, e1 := RawSyscall(SYS_UGETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0) if e1 != 0 { err = errnoErr(e1) } diff --git a/unix/zsyscall_linux_arm64.go b/unix/zsyscall_linux_arm64.go index d0a6ed82..1ee44a2f 100644 --- a/unix/zsyscall_linux_arm64.go +++ b/unix/zsyscall_linux_arm64.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1741,6 +1725,22 @@ func Time(t *Time_t) (tt Time_t, err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func Utime(path string, buf *Utimbuf) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) + use(unsafe.Pointer(_p0)) + if e1 != 0 { + err = errnoErr(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 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0) if e1 != 0 { diff --git a/unix/zsyscall_linux_mips64.go b/unix/zsyscall_linux_mips64.go index 6e312d20..8488755e 100644 --- a/unix/zsyscall_linux_mips64.go +++ b/unix/zsyscall_linux_mips64.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1720,6 +1704,22 @@ func Gettimeofday(tv *Timeval) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func Utime(path string, buf *Utimbuf) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) + use(unsafe.Pointer(_p0)) + if e1 != 0 { + err = errnoErr(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 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0) if e1 != 0 { diff --git a/unix/zsyscall_linux_mips64le.go b/unix/zsyscall_linux_mips64le.go index 8358e384..d6535ac6 100644 --- a/unix/zsyscall_linux_mips64le.go +++ b/unix/zsyscall_linux_mips64le.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1720,6 +1704,22 @@ func Gettimeofday(tv *Timeval) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func Utime(path string, buf *Utimbuf) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) + use(unsafe.Pointer(_p0)) + if e1 != 0 { + err = errnoErr(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 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0) if e1 != 0 { diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go index f58a3ff2..57580683 100644 --- a/unix/zsyscall_linux_ppc64.go +++ b/unix/zsyscall_linux_ppc64.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1790,3 +1774,19 @@ func Time(t *Time_t) (tt Time_t, err error) { } return } + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Utime(path string, buf *Utimbuf) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) + use(unsafe.Pointer(_p0)) + if e1 != 0 { + err = errnoErr(e1) + } + return +} diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go index 22fc7a45..fbe422b9 100644 --- a/unix/zsyscall_linux_ppc64le.go +++ b/unix/zsyscall_linux_ppc64le.go @@ -1063,22 +1063,6 @@ func Ustat(dev int, ubuf *Ustat_t) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func Utime(path string, buf *Utimbuf) (err error) { - var _p0 *byte - _p0, err = BytePtrFromString(path) - if err != nil { - return - } - _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) - use(unsafe.Pointer(_p0)) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func write(fd int, p []byte) (n int, err error) { var _p0 unsafe.Pointer if len(p) > 0 { @@ -1790,3 +1774,19 @@ func Time(t *Time_t) (tt Time_t, err error) { } return } + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + +func Utime(path string, buf *Utimbuf) (err error) { + var _p0 *byte + _p0, err = BytePtrFromString(path) + if err != nil { + return + } + _, _, e1 := Syscall(SYS_UTIME, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(buf)), 0) + use(unsafe.Pointer(_p0)) + if e1 != 0 { + err = errnoErr(e1) + } + return +}