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8962968d5a
This is used by all the telemetry packages that come next Change-Id: Ic84d91da2a792b53ee8839aae207ae5767ab17e0 Reviewed-on: https://go-review.googlesource.com/c/tools/+/184940 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Rebecca Stambler <rstambler@golang.org>
31 lines
898 B
Go
31 lines
898 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Package worker provides a very simple mechanism to allow telemetry packages
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// to work cooperatively and efficiently.
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package worker
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var (
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workQueue = make(chan func(), 100)
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)
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func init() {
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go func() {
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for task := range workQueue {
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task()
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}
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}()
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}
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// Do adds a task to the list of things to work on in the background.
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// All tasks will be handled in submission order, and no two tasks will happen
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// concurrently so they do not need to do any kind of locking.
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// It is safe however to call Do concurrently.
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// No promises are made about when the tasks will be performed.
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// This function may block, but in general it will return very quickly and
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// before the task has been run.
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func Do(task func()) {
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workQueue <- task
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}
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