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// Copyright 2015 Daniel Theophanes.
// Use of this source code is governed by a zlib-style
// license that can be found in the LICENSE file.package service
//+build windows
package minwinsvc
import (
"os"
"strconv"
"sync"
"golang.org/x/sys/windows/svc"
)
var (
onExit func()
guard sync.Mutex
skip, _ = strconv.ParseBool(os.Getenv("SKIP_MINWINSVC"))
)
func init() {
if skip {
return
}
interactive, err := svc.IsAnInteractiveSession()
if err != nil {
panic(err)
}
if interactive {
return
}
go func() {
_ = svc.Run("", runner{})
guard.Lock()
f := onExit
guard.Unlock()
// Don't hold this lock in user code.
if f != nil {
f()
}
// Make sure we exit.
os.Exit(0)
}()
}
func setOnExit(f func()) {
guard.Lock()
onExit = f
guard.Unlock()
}
type runner struct{}
func (runner) Execute(args []string, r <-chan svc.ChangeRequest, changes chan<- svc.Status) (bool, uint32) {
const cmdsAccepted = svc.AcceptStop | svc.AcceptShutdown
changes <- svc.Status{State: svc.StartPending}
changes <- svc.Status{State: svc.Running, Accepts: cmdsAccepted}
for {
c := <-r
switch c.Cmd {
case svc.Interrogate:
changes <- c.CurrentStatus
case svc.Stop, svc.Shutdown:
changes <- svc.Status{State: svc.StopPending}
return false, 0
}
}
return false, 0
}
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