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2f33fe86f5
* Update dependencies and build to go1.22 * Fix api changes wrt to dependencies * Update golangci config
72 lines
2.0 KiB
Go
72 lines
2.0 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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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 int, 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 int, 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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return ioctlPtr(fd, req, unsafe.Pointer(value))
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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 int, 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 int) (int, error) {
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var value int
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err := ioctlPtr(fd, req, unsafe.Pointer(&value))
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return value, err
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}
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func IoctlGetWinsize(fd int, req int) (*Winsize, error) {
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var value Winsize
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err := ioctlPtr(fd, req, 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 int) (*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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