1// Copyright 2024 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
7package unix
8
9import (
10	"syscall"
11	"unsafe"
12)
13
14//go:linkname ioctlPtr syscall.ioctlPtr
15func ioctlPtr(fd int, req uint, arg unsafe.Pointer) (err error)
16
17// Note that pgid should really be pid_t, however _C_int (aka int32) is
18// generally equivalent.
19
20func Tcsetpgrp(fd int, pgid int32) (err error) {
21	return ioctlPtr(fd, syscall.TIOCSPGRP, unsafe.Pointer(&pgid))
22}
23