47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
/*
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Copyright The containerd 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 main
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import (
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"os"
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"os/signal"
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"github.com/containerd/containerd/sys/reaper"
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runc "github.com/containerd/go-runc"
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"github.com/containerd/ttrpc"
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"golang.org/x/sys/unix"
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)
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// setupSignals creates a new signal handler for all signals and sets the shim as a
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// sub-reaper so that the container processes are reparented
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func setupSignals() (chan os.Signal, error) {
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signals := make(chan os.Signal, 32)
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signal.Notify(signals, unix.SIGTERM, unix.SIGINT, unix.SIGCHLD, unix.SIGPIPE)
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// make sure runc is setup to use the monitor
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// for waiting on processes
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runc.Monitor = reaper.Default
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// set the shim as the subreaper for all orphaned processes created by the container
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if err := reaper.SetSubreaper(1); err != nil {
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return nil, err
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}
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return signals, nil
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}
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func newServer() (*ttrpc.Server, error) {
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return ttrpc.NewServer(ttrpc.WithServerHandshaker(ttrpc.UnixSocketRequireSameUser()))
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}
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