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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 | } |