ants/examples/main.go

82 lines
2.0 KiB
Go

// MIT License
// Copyright (c) 2018 Andy Pan
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package main
import (
"fmt"
"sync"
"sync/atomic"
"github.com/panjf2000/ants"
)
var sum int32
func myFunc(i interface{}) error {
n := i.(int)
atomic.AddInt32(&sum, int32(n))
fmt.Printf("run with %d\n", n)
return nil
}
// func main() {
// runTimes := 10000
// var wg sync.WaitGroup
// // submit all your tasks to ants pool
// for i := 0; i < runTimes; i++ {
// wg.Add(1)
// ants.Submit(func() {
// myFunc()
// wg.Done()
// })
// }
// wg.Wait()
// fmt.Println("finish all tasks!")
// }
func main() {
runTimes := 1000
// set 100 the size of goroutine pool
var wg sync.WaitGroup
p, _ := ants.NewPoolWithFunc(10, func(i interface{}) error {
myFunc(i)
wg.Done()
return nil
})
// submit
for i := 0; i < runTimes; i++ {
wg.Add(1)
p.Serve(i)
}
wg.Wait()
//var m int
//var i int
//for n := range sum {
// m += n
//}
fmt.Printf("running goroutines: %d\n", p.Running())
fmt.Printf("finish all tasks, result is %d\n", sum)
}