github.com/livekit/protocol@v1.16.1-0.20240517185851-47e4c6bba773/utils/workergroup.go (about)

     1  // Copyright 2023 LiveKit, Inc.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package utils
    16  
    17  import "sync"
    18  
    19  type WorkerGroup struct {
    20  	wg sync.WaitGroup
    21  }
    22  
    23  func (w *WorkerGroup) Go(fn func()) {
    24  	w.wg.Add(1)
    25  	go func() {
    26  		fn()
    27  		w.wg.Done()
    28  	}()
    29  }
    30  
    31  func (w *WorkerGroup) Wait() {
    32  	w.wg.Wait()
    33  }