/* * Copyright (c) 2025. Andy Pan. All rights reserved. * * 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 ants_test import ( "fmt" "sync" "sync/atomic" "time" "github.com/panjf2000/ants/v2" ) var ( sum int32 wg sync.WaitGroup ) func incSum(i any) { incSumInt(i.(int32)) } func incSumInt(i int32) { atomic.AddInt32(&sum, i) wg.Done() } func ExamplePool() { ants.Reboot() // ensure the default pool is available atomic.StoreInt32(&sum, 0) runTimes := 1000 wg.Add(runTimes) // Use the default pool. for i := 0; i < runTimes; i++ { j := i _ = ants.Submit(func() { incSumInt(int32(j)) }) } wg.Wait() fmt.Printf("The result is %d\n", sum) atomic.StoreInt32(&sum, 0) wg.Add(runTimes) // Use the new pool. pool, _ := ants.NewPool(10) defer pool.Release() for i := 0; i < runTimes; i++ { j := i _ = pool.Submit(func() { incSumInt(int32(j)) }) } wg.Wait() fmt.Printf("The result is %d\n", sum) // Output: // The result is 499500 // The result is 499500 } func ExamplePoolWithFunc() { atomic.StoreInt32(&sum, 0) runTimes := 1000 wg.Add(runTimes) pool, _ := ants.NewPoolWithFunc(10, incSum) defer pool.Release() for i := 0; i < runTimes; i++ { _ = pool.Invoke(int32(i)) } wg.Wait() fmt.Printf("The result is %d\n", sum) // Output: The result is 499500 } func ExamplePoolWithFuncGeneric() { atomic.StoreInt32(&sum, 0) runTimes := 1000 wg.Add(runTimes) pool, _ := ants.NewPoolWithFuncGeneric(10, incSumInt) defer pool.Release() for i := 0; i < runTimes; i++ { _ = pool.Invoke(int32(i)) } wg.Wait() fmt.Printf("The result is %d\n", sum) // Output: The result is 499500 } func ExampleMultiPool() { atomic.StoreInt32(&sum, 0) runTimes := 1000 wg.Add(runTimes) mp, _ := ants.NewMultiPool(10, runTimes/10, ants.RoundRobin) defer mp.ReleaseTimeout(time.Second) // nolint:errcheck for i := 0; i < runTimes; i++ { j := i _ = mp.Submit(func() { incSumInt(int32(j)) }) } wg.Wait() fmt.Printf("The result is %d\n", sum) // Output: The result is 499500 } func ExampleMultiPoolWithFunc() { atomic.StoreInt32(&sum, 0) runTimes := 1000 wg.Add(runTimes) mp, _ := ants.NewMultiPoolWithFunc(10, runTimes/10, incSum, ants.RoundRobin) defer mp.ReleaseTimeout(time.Second) // nolint:errcheck for i := 0; i < runTimes; i++ { _ = mp.Invoke(int32(i)) } wg.Wait() fmt.Printf("The result is %d\n", sum) // Output: The result is 499500 } func ExampleMultiPoolWithFuncGeneric() { atomic.StoreInt32(&sum, 0) runTimes := 1000 wg.Add(runTimes) mp, _ := ants.NewMultiPoolWithFuncGeneric(10, runTimes/10, incSumInt, ants.RoundRobin) defer mp.ReleaseTimeout(time.Second) // nolint:errcheck for i := 0; i < runTimes; i++ { _ = mp.Invoke(int32(i)) } wg.Wait() fmt.Printf("The result is %d\n", sum) // Output: The result is 499500 }