49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
// Copyright 2018 The gVisor Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package tty
|
|
|
|
import (
|
|
"gvisor.dev/gvisor/pkg/abi/linux"
|
|
"gvisor.dev/gvisor/pkg/refs"
|
|
"gvisor.dev/gvisor/pkg/sentry/context"
|
|
)
|
|
|
|
// Terminal is a pseudoterminal.
|
|
//
|
|
// +stateify savable
|
|
type Terminal struct {
|
|
refs.AtomicRefCount
|
|
|
|
// n is the terminal index.
|
|
n uint32
|
|
|
|
// d is the containing directory.
|
|
d *dirInodeOperations
|
|
|
|
// ld is the line discipline of the terminal.
|
|
ld *lineDiscipline
|
|
}
|
|
|
|
func newTerminal(ctx context.Context, d *dirInodeOperations, n uint32) *Terminal {
|
|
termios := linux.DefaultSlaveTermios
|
|
t := Terminal{
|
|
d: d,
|
|
n: n,
|
|
ld: newLineDiscipline(termios),
|
|
}
|
|
t.EnableLeakCheck("tty.Terminal")
|
|
return &t
|
|
}
|