mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-30 15:42:46 +00:00
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
|
package sysfs
|
||
|
|
|
||
|
|
import (
|
||
|
|
"syscall"
|
||
|
|
_ "unsafe"
|
||
|
|
|
||
|
|
experimentalsys "github.com/tetratelabs/wazero/experimental/sys"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
_AT_FDCWD = -0x2
|
||
|
|
_AT_SYMLINK_NOFOLLOW = 0x0020
|
||
|
|
_UTIME_OMIT = -2
|
||
|
|
)
|
||
|
|
|
||
|
|
//go:noescape
|
||
|
|
//go:linkname utimensat syscall.utimensat
|
||
|
|
func utimensat(dirfd int, path string, times *[2]syscall.Timespec, flags int) error
|
||
|
|
|
||
|
|
func utimens(path string, atim, mtim int64) experimentalsys.Errno {
|
||
|
|
times := timesToTimespecs(atim, mtim)
|
||
|
|
if times == nil {
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
var flags int
|
||
|
|
return experimentalsys.UnwrapOSError(utimensat(_AT_FDCWD, path, times, flags))
|
||
|
|
}
|
||
|
|
|
||
|
|
func futimens(fd uintptr, atim, mtim int64) experimentalsys.Errno {
|
||
|
|
times := timesToTimespecs(atim, mtim)
|
||
|
|
if times == nil {
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
_p0 := timesToPtr(times)
|
||
|
|
|
||
|
|
// Warning: futimens only exists since High Sierra (10.13).
|
||
|
|
_, _, e1 := syscall_syscall6(libc_futimens_trampoline_addr, fd, uintptr(_p0), 0, 0, 0, 0)
|
||
|
|
return experimentalsys.UnwrapOSError(e1)
|
||
|
|
}
|
||
|
|
|
||
|
|
// libc_futimens_trampoline_addr is the address of the
|
||
|
|
// `libc_futimens_trampoline` symbol, defined in `futimens_darwin.s`.
|
||
|
|
//
|
||
|
|
// We use this to invoke the syscall through syscall_syscall6 imported below.
|
||
|
|
var libc_futimens_trampoline_addr uintptr
|
||
|
|
|
||
|
|
// Imports the futimens symbol from libc as `libc_futimens`.
|
||
|
|
//
|
||
|
|
// Note: CGO mechanisms are used in darwin regardless of the CGO_ENABLED value
|
||
|
|
// or the "cgo" build flag. See /RATIONALE.md for why.
|
||
|
|
//go:cgo_import_dynamic libc_futimens futimens "/usr/lib/libSystem.B.dylib"
|