mirror of https://github.com/panjf2000/ants.git
65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
// MIT License
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// Copyright (c) 2018 Andy Pan
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package ants
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import (
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"sync/atomic"
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)
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// Worker is the actual executor who runs the tasks,
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// it starts a goroutine that accepts tasks and
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// performs function calls.
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type Worker struct {
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// pool who owns this worker.
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pool *Pool
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// task is a job should be done.
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task chan f
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}
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// run starts a goroutine to repeat the process
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// that performs the function calls.
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func (w *Worker) run() {
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//atomic.AddInt32(&w.pool.running, 1)
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go func() {
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for f := range w.task {
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if f == nil {
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atomic.AddInt32(&w.pool.running, -1)
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return
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}
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f()
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w.pool.putWorker(w)
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}
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}()
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}
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// stop this worker.
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func (w *Worker) stop() {
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w.sendTask(nil)
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}
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// sendTask sends a task to this worker.
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func (w *Worker) sendTask(task f) {
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w.task <- task
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}
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