1 // Copyright 2018 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 //go:build darwin || dragonfly || freebsd || netbsd || openbsd
11 // FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
12 func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
13 _, err := fcntlPtr(int(fd), cmd, unsafe.Pointer(lk))