// Copyright 2014 mqantserver Author. All Rights Reserved.
//
// 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.
package utils

import (
	"github.com/liangdas/mqant/conf"
	"github.com/liangdas/mqant/log"
	"runtime"
)

var pendingGo int

func Go(f func()) {
	pendingGo++
	go func() {
		defer func() {
			pendingGo--
			if r := recover(); r != nil {
				if conf.LenStackBuf > 0 {
					buf := make([]byte, conf.LenStackBuf)
					l := runtime.Stack(buf, false)
					log.Error("%v: %s", r, buf[:l])
				} else {
					log.Error("%v", r)
				}
			}
		}()

		f()
	}()
}
func Idle() bool {
	return pendingGo == 0
}