Gibheer
fa05045d31
This is the import from the separate monfront repository. The history could not be imported, but this should suffice.
75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build zos && s390x
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// +build zos,s390x
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package unix
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import (
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"runtime"
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"unsafe"
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)
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// ioctl itself should not be exposed directly, but additional get/set
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// functions for specific types are permissible.
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// IoctlSetInt performs an ioctl operation which sets an integer value
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// on fd, using the specified request number.
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func IoctlSetInt(fd int, req uint, value int) error {
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return ioctl(fd, req, uintptr(value))
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}
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// IoctlSetWinsize performs an ioctl on fd with a *Winsize argument.
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//
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// To change fd's window size, the req argument should be TIOCSWINSZ.
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func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
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// TODO: if we get the chance, remove the req parameter and
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// hardcode TIOCSWINSZ.
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err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
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runtime.KeepAlive(value)
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return err
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}
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// IoctlSetTermios performs an ioctl on fd with a *Termios.
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//
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// The req value is expected to be TCSETS, TCSETSW, or TCSETSF
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func IoctlSetTermios(fd int, req uint, value *Termios) error {
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if (req != TCSETS) && (req != TCSETSW) && (req != TCSETSF) {
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return ENOSYS
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}
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err := Tcsetattr(fd, int(req), value)
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runtime.KeepAlive(value)
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return err
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}
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// IoctlGetInt performs an ioctl operation which gets an integer value
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// from fd, using the specified request number.
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//
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// A few ioctl requests use the return value as an output parameter;
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// for those, IoctlRetInt should be used instead of this function.
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func IoctlGetInt(fd int, req uint) (int, error) {
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var value int
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err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
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return value, err
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}
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func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
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var value Winsize
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err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
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return &value, err
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}
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// IoctlGetTermios performs an ioctl on fd with a *Termios.
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//
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// The req value is expected to be TCGETS
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func IoctlGetTermios(fd int, req uint) (*Termios, error) {
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var value Termios
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if req != TCGETS {
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return &value, ENOSYS
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}
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err := Tcgetattr(fd, &value)
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return &value, err
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}
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