| khenaidoo | ac63710 | 2019-01-14 15:44:34 -0500 | [diff] [blame] | 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 | } |
| Andrea Campanella | 3614a92 | 2021-02-25 12:40:42 +0100 | [diff] [blame^] | 19 | |
| 20 | // FcntlFstore performs a fcntl syscall for the F_PREALLOCATE command. |
| 21 | func FcntlFstore(fd uintptr, cmd int, fstore *Fstore_t) error { |
| 22 | _, err := fcntl(int(fd), cmd, int(uintptr(unsafe.Pointer(fstore)))) |
| 23 | return err |
| 24 | } |