()
| 71 | } |
| 72 | |
| 73 | func (wg *WaitGroup) Wait() { |
| 74 | for { |
| 75 | counter := wg.futex.Load() |
| 76 | if counter == 0 { |
| 77 | return // everything already finished |
| 78 | } |
| 79 | |
| 80 | if wg.futex.Wait(counter) { |
| 81 | // Successfully woken by WakeAll (in wg.Add). |
| 82 | break |
| 83 | } |
| 84 | } |
| 85 | } |
| 86 | |
| 87 | func (wg *WaitGroup) Go(f func()) { |
| 88 | wg.Add(1) |