containerd/cmd/containerd/main_unix.go

50 lines
978 B
Go

// +build !windows
package main
import (
"os"
"golang.org/x/sys/unix"
"github.com/containerd/containerd/log"
"github.com/containerd/containerd/reaper"
"github.com/containerd/containerd/sys"
"github.com/urfave/cli"
"google.golang.org/grpc"
)
const (
defaultConfigPath = "/etc/containerd/config.toml"
)
var (
handledSignals = []os.Signal{unix.SIGTERM, unix.SIGINT, unix.SIGUSR1, unix.SIGCHLD}
)
func platformInit(context *cli.Context) error {
if conf.Subreaper {
log.G(global).Info("setting subreaper...")
if err := sys.SetSubreaper(1); err != nil {
return err
}
}
return nil
}
func handleSignals(signals chan os.Signal, server *grpc.Server) error {
for s := range signals {
log.G(global).WithField("signal", s).Debug("received signal")
switch s {
case unix.SIGCHLD:
if err := reaper.Reap(); err != nil {
log.G(global).WithError(err).Error("reap containerd processes")
}
default:
server.Stop()
return nil
}
}
return nil
}