/
goroutine.go
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/
goroutine.go
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// Copyright (c) 2019 Andy Pan
//
// 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 goroutine
import (
"time"
"github.com/panjf2000/ants/v2"
)
const (
// DefaultAntsPoolSize sets up the capacity of worker pool, 256 * 1024.
DefaultAntsPoolSize = 1 << 18
// ExpiryDuration is the interval time to clean up those expired workers.
ExpiryDuration = 10 * time.Second
// Nonblocking decides what to do when submitting a new task to a full worker pool: waiting for a available worker
// or returning nil directly.
Nonblocking = true
)
func init() {
// It releases the default pool from ants.
ants.Release()
}
// Pool is the alias of ants.Pool.
type Pool = ants.Pool
// Default instantiates a non-blocking *WorkerPool with the capacity of DefaultAntsPoolSize.
func Default() *Pool {
options := ants.Options{ExpiryDuration: ExpiryDuration, Nonblocking: Nonblocking}
defaultAntsPool, _ := ants.NewPool(DefaultAntsPoolSize, ants.WithOptions(options))
return defaultAntsPool
}