You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
2.3 KiB
69 lines
2.3 KiB
// Copyright 2018 The Go Authors. All rights reserved. |
|
// Use of this source code is governed by a BSD-style |
|
// license that can be found in the LICENSE file. |
|
|
|
//go:build darwin || dragonfly || freebsd || hurd || linux || netbsd || openbsd |
|
|
|
package unix |
|
|
|
import ( |
|
"unsafe" |
|
) |
|
|
|
// ioctl itself should not be exposed directly, but additional get/set |
|
// functions for specific types are permissible. |
|
|
|
// IoctlSetInt performs an ioctl operation which sets an integer value |
|
// on fd, using the specified request number. |
|
func IoctlSetInt(fd int, req uint, value int) error { |
|
return ioctl(fd, req, uintptr(value)) |
|
} |
|
|
|
// IoctlSetPointerInt performs an ioctl operation which sets an |
|
// integer value on fd, using the specified request number. The ioctl |
|
// argument is called with a pointer to the integer value, rather than |
|
// passing the integer value directly. |
|
func IoctlSetPointerInt(fd int, req uint, value int) error { |
|
v := int32(value) |
|
return ioctlPtr(fd, req, unsafe.Pointer(&v)) |
|
} |
|
|
|
// IoctlSetWinsize performs an ioctl on fd with a *Winsize argument. |
|
// |
|
// To change fd's window size, the req argument should be TIOCSWINSZ. |
|
func IoctlSetWinsize(fd int, req uint, value *Winsize) error { |
|
// TODO: if we get the chance, remove the req parameter and |
|
// hardcode TIOCSWINSZ. |
|
return ioctlPtr(fd, req, unsafe.Pointer(value)) |
|
} |
|
|
|
// IoctlSetTermios performs an ioctl on fd with a *Termios. |
|
// |
|
// The req value will usually be TCSETA or TIOCSETA. |
|
func IoctlSetTermios(fd int, req uint, value *Termios) error { |
|
// TODO: if we get the chance, remove the req parameter. |
|
return ioctlPtr(fd, req, unsafe.Pointer(value)) |
|
} |
|
|
|
// IoctlGetInt performs an ioctl operation which gets an integer value |
|
// from fd, using the specified request number. |
|
// |
|
// A few ioctl requests use the return value as an output parameter; |
|
// for those, IoctlRetInt should be used instead of this function. |
|
func IoctlGetInt(fd int, req uint) (int, error) { |
|
var value int |
|
err := ioctlPtr(fd, req, unsafe.Pointer(&value)) |
|
return value, err |
|
} |
|
|
|
func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { |
|
var value Winsize |
|
err := ioctlPtr(fd, req, unsafe.Pointer(&value)) |
|
return &value, err |
|
} |
|
|
|
func IoctlGetTermios(fd int, req uint) (*Termios, error) { |
|
var value Termios |
|
err := ioctlPtr(fd, req, unsafe.Pointer(&value)) |
|
return &value, err |
|
}
|
|
|