libgo/go/syscall/flock_darwin.go

   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.
   4
   5 package syscall
   6
   7 import "unsafe"
   8
   9 // FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
  10 func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
  11         _, err := fcntlPtr(int(fd), cmd, unsafe.Pointer(lk))
  12         return err
  13 }