diff options
author | kali kaneko (leap communications) <kali@leap.se> | 2021-04-14 16:54:42 +0200 |
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committer | kali kaneko (leap communications) <kali@leap.se> | 2021-04-14 16:54:42 +0200 |
commit | 67a0eb7111d3f89e4a0cb21e43aefe6d87d37e04 (patch) | |
tree | c9b18e0da6e06ac165a485ee957b7850adb12e86 /vendor/golang.org/x/sys/unix/ioctl.go | |
parent | 2e8f2a2e8e83fd89f956cdde886d5d9d808132da (diff) |
[pkg] go mod vendor to build debian/ubuntu packages
Diffstat (limited to 'vendor/golang.org/x/sys/unix/ioctl.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/ioctl.go | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/ioctl.go b/vendor/golang.org/x/sys/unix/ioctl.go new file mode 100644 index 0000000..3559e5d --- /dev/null +++ b/vendor/golang.org/x/sys/unix/ioctl.go @@ -0,0 +1,65 @@ +// 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. + +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris + +package unix + +import ( + "runtime" + "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)) +} + +// 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. + err := ioctl(fd, req, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + +// 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. + err := ioctl(fd, req, uintptr(unsafe.Pointer(value))) + runtime.KeepAlive(value) + return err +} + +// 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 := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return value, err +} + +func IoctlGetWinsize(fd int, req uint) (*Winsize, error) { + var value Winsize + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} + +func IoctlGetTermios(fd int, req uint) (*Termios, error) { + var value Termios + err := ioctl(fd, req, uintptr(unsafe.Pointer(&value))) + return &value, err +} |