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- // Copyright 2012 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.
- //go:build linux
- // +build linux
- // GNU/Linux version of UtimesNano.
- package syscall
- import "unsafe"
- //sys utimensat(dirfd int, path string, times *[2]Timespec, flags int) (err error)
- //utimensat(dirfd _C_int, path *byte, times *[2]Timespec, flags _C_int) _C_int
- func UtimesNano(path string, ts []Timespec) (err error) {
- if len(ts) != 2 {
- return EINVAL
- }
- err = utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
- if err != ENOSYS {
- return err
- }
- // If the utimensat syscall isn't available (utimensat was added to Linux
- // in 2.6.22, Released, 8 July 2007) then fall back to utimes
- var tv [2]Timeval
- for i := 0; i < 2; i++ {
- tv[i].Sec = Timeval_sec_t(ts[i].Sec)
- tv[i].Usec = Timeval_usec_t(ts[i].Nsec / 1000)
- }
- return utimes(path, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
- }
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