Golanggoroutine池实现与资源控制方法

type Task func()
<p>type Pool struct {
tasks chan Task
workers int
}</p><p>func NewPool(workers, queueSize int) *Pool {
return &Pool{
tasks:   make(chan Task, queueSize),
workers: workers,
}
}</p><p>func (p *Pool) Start() {
for i := 0; i < p.workers; i++ {
go func() {
for task := range p.tasks {
task()
}
}()
}
}</p><p>func (p *Pool) Submit(task Task) {
p.tasks <- task
}</p><p>func (p *Pool) Close() {
close(p.tasks)
}</p>

pool := NewPool(10, 100)
pool.Start()
<p>for i := 0; i < 50; i++ {
pool.Submit(func() {
fmt.Println("处理任务")
})
}</p><p>pool.Close()</p>
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func (p *Pool) SubmitWithTimeout(task Task, timeout time.Duration) bool {
    select {
    case p.tasks <- task:
        return true
    case <-time.After(timeout):
        return false // 提交超时
    }
}

import "github.com/panjf2000/ants/v2"
<p>pool, _ := ants.NewPool(10)
defer pool.Release()</p><p>pool.Submit(func() {
fmt.Println("执行任务")
})</p>