mirror of
https://github.com/kubernetes/kubectl.git
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2082ef9b6e
This has been replaced by `//build:...` for a long time now.
Removal of the old build tag was automated with:
for i in $(git grep -l '^// +build' | grep -v -e '^vendor/'); do if ! grep -q '^// Code generated' "$i"; then sed -i -e '/^\/\/ +build/d' "$i"; fi; done
Kubernetes-commit: ad79e479c2314d1de91e54bc5630c52027f12e21
60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
//go:build !windows
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/*
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Copyright 2016 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package term
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import (
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"os"
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"os/signal"
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"golang.org/x/sys/unix"
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"k8s.io/apimachinery/pkg/util/runtime"
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)
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// monitorResizeEvents spawns a goroutine that waits for SIGWINCH signals (these indicate the
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// terminal has resized). After receiving a SIGWINCH, this gets the terminal size and tries to send
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// it to the resizeEvents channel. The goroutine stops when the stop channel is closed.
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func monitorResizeEvents(fd uintptr, resizeEvents chan<- TerminalSize, stop chan struct{}) {
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go func() {
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defer runtime.HandleCrash()
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winch := make(chan os.Signal, 1)
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signal.Notify(winch, unix.SIGWINCH)
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defer signal.Stop(winch)
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for {
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select {
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case <-winch:
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size := GetSize(fd)
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if size == nil {
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return
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}
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// try to send size
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select {
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case resizeEvents <- *size:
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// success
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default:
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// not sent
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}
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case <-stop:
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return
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}
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}
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}()
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}
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