mirror of https://github.com/caddyserver/caddy.git
59 lines
1.8 KiB
Go
59 lines
1.8 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy 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.
|
|
|
|
//go:build !windows && !plan9 && !nacl && !js
|
|
// +build !windows,!plan9,!nacl,!js
|
|
|
|
package caddy
|
|
|
|
import (
|
|
"os"
|
|
"os/signal"
|
|
"syscall"
|
|
|
|
"github.com/caddyserver/certmagic"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
// trapSignalsPosix captures POSIX-only signals.
|
|
func trapSignalsPosix() {
|
|
go func() {
|
|
sigchan := make(chan os.Signal, 1)
|
|
signal.Notify(sigchan, syscall.SIGTERM, syscall.SIGHUP, syscall.SIGQUIT, syscall.SIGUSR1, syscall.SIGUSR2)
|
|
|
|
for sig := range sigchan {
|
|
switch sig {
|
|
case syscall.SIGQUIT:
|
|
Log().Info("quitting process immediately", zap.String("signal", "SIGQUIT"))
|
|
certmagic.CleanUpOwnLocks(Log()) // try to clean up locks anyway, it's important
|
|
os.Exit(ExitCodeForceQuit)
|
|
|
|
case syscall.SIGTERM:
|
|
Log().Info("shutting down apps, then terminating", zap.String("signal", "SIGTERM"))
|
|
exitProcessFromSignal("SIGTERM")
|
|
|
|
case syscall.SIGUSR1:
|
|
Log().Info("not implemented", zap.String("signal", "SIGUSR1"))
|
|
|
|
case syscall.SIGUSR2:
|
|
Log().Info("not implemented", zap.String("signal", "SIGUSR2"))
|
|
|
|
case syscall.SIGHUP:
|
|
// ignore; this signal is sometimes sent outside of the user's control
|
|
Log().Info("not implemented", zap.String("signal", "SIGHUP"))
|
|
}
|
|
}
|
|
}()
|
|
}
|