k3s/vendor/github.com/rancher/norman/signal/sigterm.go

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2019-01-12 04:58:27 +00:00
package signal
import (
"context"
"os"
"os/signal"
"syscall"
"github.com/sirupsen/logrus"
)
func SigTermCancelContext(ctx context.Context) context.Context {
term := make(chan os.Signal)
signal.Notify(term, os.Interrupt, syscall.SIGTERM)
ctx, cancel := context.WithCancel(ctx)
go func() {
select {
case <-term:
logrus.Infof("Received SIGTERM, cancelling")
cancel()
case <-ctx.Done():
}
}()
return ctx
}