github.com/ice-blockchain/go/src@v0.0.0-20240403114104-1564d284e521/syscall/flock_bsd.go (about)

     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  }