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/*
* Copyright 2014 Canonical Ltd.
*
* Authors:
* Sergio Schvezov: sergio.schvezov@cannical.com
*
* This file is part of nuntium.
*
* nuntium is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* nuntium is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package main
import (
"log"
"os"
"os/signal"
"syscall"
)
type Mainloop struct {
sigchan chan os.Signal
termchan chan int
Bindings map[os.Signal]func()
}
/*
Start the mainloop.
This method will block its current thread. The best spot for calling this
method is right near the bottom of your application's main() function.
*/
func (m *Mainloop) Start() {
sigs := make([]os.Signal, len(m.Bindings))
for s, _ := range m.Bindings {
sigs = append(sigs, s)
}
signal.Notify(m.sigchan, sigs...)
L:
for {
select {
case sig := <-m.sigchan:
log.Print("Received ", sig)
m.Bindings[sig]()
case _ = <-m.termchan:
break L
}
}
return
}
/*
Stops the mainloop.
*/
func (m *Mainloop) Stop() {
go func() { m.termchan <- 1 }()
return
}
func HupHandler() {
syscall.Exit(1)
}
func IntHandler() {
syscall.Exit(1)
}
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