forked from mirror/ants
64 lines
1.8 KiB
Go
64 lines
1.8 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 ants
|
|
|
|
import (
|
|
"sync/atomic"
|
|
)
|
|
|
|
// Worker is the actual executor who run the tasks,
|
|
// it will start a goroutine that accept tasks and
|
|
// perform function calls.
|
|
type Worker struct {
|
|
// pool who owns this worker.
|
|
pool *Pool
|
|
|
|
// task is a job should be done.
|
|
task chan f
|
|
}
|
|
|
|
// run will start a goroutine to repeat the process
|
|
// that perform the function calls.
|
|
func (w *Worker) run() {
|
|
go func() {
|
|
for f := range w.task {
|
|
if f == nil {
|
|
atomic.AddInt32(&w.pool.running, -1)
|
|
return
|
|
}
|
|
f()
|
|
w.pool.putWorker(w)
|
|
}
|
|
}()
|
|
}
|
|
|
|
// stop this worker.
|
|
func (w *Worker) stop() {
|
|
w.task <- nil
|
|
}
|
|
|
|
// sendTask send a task to this worker.
|
|
func (w *Worker) sendTask(task f) {
|
|
w.task <- task
|
|
}
|