forked from mirror/ants
82 lines
2.2 KiB
Go
82 lines
2.2 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"
|
|
"time"
|
|
|
|
"github.com/panjf2000/ants"
|
|
)
|
|
|
|
var sum int32
|
|
|
|
func myFunc(i interface{}) {
|
|
n := i.(int32)
|
|
atomic.AddInt32(&sum, n)
|
|
fmt.Printf("run with %d\n", n)
|
|
}
|
|
|
|
func demoFunc() {
|
|
time.Sleep(10 * time.Millisecond)
|
|
fmt.Println("Hello World!")
|
|
}
|
|
|
|
func main() {
|
|
defer ants.Release()
|
|
|
|
runTimes := 1000
|
|
|
|
// Use the common pool.
|
|
var wg sync.WaitGroup
|
|
syncCalculateSum := func() {
|
|
demoFunc()
|
|
wg.Done()
|
|
}
|
|
for i := 0; i < runTimes; i++ {
|
|
wg.Add(1)
|
|
_ = ants.Submit(syncCalculateSum)
|
|
}
|
|
wg.Wait()
|
|
fmt.Printf("running goroutines: %d\n", ants.Running())
|
|
fmt.Printf("finish all tasks.\n")
|
|
|
|
// Use the pool with a method,
|
|
// set 10 to the capacity of goroutine pool and 1 second for expired duration.
|
|
p, _ := ants.NewPoolWithFunc(10, func(i interface{}) {
|
|
myFunc(i)
|
|
wg.Done()
|
|
})
|
|
defer p.Release()
|
|
// Submit tasks one by one.
|
|
for i := 0; i < runTimes; i++ {
|
|
wg.Add(1)
|
|
_ = p.Invoke(int32(i))
|
|
}
|
|
wg.Wait()
|
|
fmt.Printf("running goroutines: %d\n", p.Running())
|
|
fmt.Printf("finish all tasks, result is %d\n", sum)
|
|
}
|