func (v *aspContext) InstallSignals() {
// install signals.
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
go func() {
for s := range sigs {
ol.T(v.ctx, "go signal", s)
if v.callback != nil {
v.callback()
}
os.Exit(0)
}
}()
ol.T(v.ctx, "signal watched by asprocess")
}
func ExampleLogger_ToConsole() {
// Simply log to console.
ol.Info.Println(nil, "The log text.")
ol.Trace.Println(nil, "The log text.")
ol.Warn.Println(nil, "The log text.")
ol.Error.Println(nil, "The log text.")
// Use short aliases.
ol.I(nil, "The log text.")
ol.T(nil, "The log text.")
ol.W(nil, "The log text.")
ol.E(nil, "The log text.")
}
func ExampleLogger_ToFile() {
// Open logger file and change the tank for logger.
var err error
var f *os.File
if f, err = os.Open("sys.log"); err != nil {
return
}
ol.Switch(f)
// Use logger, which will write to file.
ol.T(nil, "The log text.")
// Close logger file when your application quit.
defer ol.Close()
}
func (v *aspContextNoExit) WatchParent() {
ppid := os.Getppid()
go func() {
for {
if pid := os.Getppid(); pid == 1 || pid != ppid {
ol.E(v.ctx, "quit for parent problem, ppid is", pid)
select {
case v.quit <- true:
default:
}
break
}
//ol.T(v.ctx, "parent pid", ppid, "ok")
time.Sleep(v.interval)
}
}()
ol.T(v.ctx, "parent process watching, ppid is", ppid)
}
func (v *aspContext) WatchParent() {
ppid := os.Getppid()
go func() {
for {
if pid := os.Getppid(); pid == 1 || pid != ppid {
ol.E(v.ctx, "quit for parent problem, ppid is", pid)
if v.callback != nil {
v.callback()
}
os.Exit(0)
}
//ol.T(v.ctx, "parent pid", ppid, "ok")
time.Sleep(v.interval)
}
}()
ol.T(v.ctx, "parent process watching, ppid is", ppid)
}