12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- // Copyright 2009 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.
- package syscall
- import (
- "sync"
- "unsafe"
- )
- const _SYS_DUP3 = 0
- // See version list in https://github.com/DragonFlyBSD/DragonFlyBSD/blob/master/sys/sys/param.h
- var (
- osreldateOnce sync.Once
- osreldate uint32
- )
- // First __DragonFly_version after September 2019 ABI changes
- // http://lists.dragonflybsd.org/pipermail/users/2019-September/358280.html
- const _dragonflyABIChangeVersion = 500705
- func supportsABI(ver uint32) bool {
- osreldateOnce.Do(func() { osreldate, _ = SysctlUint32("kern.osreldate") })
- return osreldate >= ver
- }
- func direntIno(buf []byte) (uint64, bool) {
- return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
- }
- func direntReclen(buf []byte) (uint64, bool) {
- namlen, ok := direntNamlen(buf)
- if !ok {
- return 0, false
- }
- return (16 + namlen + 1 + 7) &^ 7, true
- }
- func direntNamlen(buf []byte) (uint64, bool) {
- return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
- }
|