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 } 19