1 // Copyright 2019 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 unix

     6 

     7 import "unsafe"

     8 

     9 // FcntlInt performs a fcntl syscall on fd with the provided command and argument.

    10 func FcntlInt(fd uintptr, cmd, arg int) (int, error) {

    11 	return fcntl(int(fd), cmd, arg)

    12 }

    13 

    14 // FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.

    15 func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {

    16 	_, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(lk))))

    17 	return err

    18 }