flock_bsd.mx raw

   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  //go:build darwin || dragonfly || freebsd || netbsd || openbsd
   6  
   7  package syscall
   8  
   9  import "unsafe"
  10  
  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))
  14  	return err
  15  }
  16