57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
// Copyright 2018 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package host
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import (
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"syscall"
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"unsafe"
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"gvisor.dev/gvisor/pkg/abi/linux"
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)
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func ioctlGetTermios(fd int) (*linux.Termios, error) {
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var t linux.Termios
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_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.TCGETS, uintptr(unsafe.Pointer(&t)))
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if errno != 0 {
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return nil, errno
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}
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return &t, nil
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}
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func ioctlSetTermios(fd int, req uint64, t *linux.Termios) error {
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_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), uintptr(req), uintptr(unsafe.Pointer(t)))
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if errno != 0 {
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return errno
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}
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return nil
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}
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func ioctlGetWinsize(fd int) (*linux.Winsize, error) {
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var w linux.Winsize
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_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.TIOCGWINSZ, uintptr(unsafe.Pointer(&w)))
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if errno != 0 {
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return nil, errno
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}
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return &w, nil
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}
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func ioctlSetWinsize(fd int, w *linux.Winsize) error {
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_, _, errno := syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), linux.TIOCSWINSZ, uintptr(unsafe.Pointer(w)))
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if errno != 0 {
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return errno
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}
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return nil
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}
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