pki/vendor/golang.org/x/sys/unix/ioctl_signed.go

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// 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.
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//go:build aix || solaris
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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.
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func IoctlSetInt(fd int, req int, value int) error {
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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.
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func IoctlSetPointerInt(fd int, req int, value int) error {
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v := int32(value)
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return ioctlPtr(fd, req, unsafe.Pointer(&v))
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}
// IoctlSetWinsize performs an ioctl on fd with a *Winsize argument.
//
// 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
// hardcode TIOCSWINSZ.
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return ioctlPtr(fd, req, unsafe.Pointer(value))
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}
// IoctlSetTermios performs an ioctl on fd with a *Termios.
//
// The req value will usually be TCSETA or TIOCSETA.
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func IoctlSetTermios(fd int, req int, value *Termios) error {
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// TODO: if we get the chance, remove the req parameter.
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return ioctlPtr(fd, req, unsafe.Pointer(value))
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}
// 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.
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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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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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func IoctlGetTermios(fd int, req int) (*Termios, error) {
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var value Termios
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err := ioctlPtr(fd, req, unsafe.Pointer(&value))
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return &value, err
}