signal泄露问题

[isluckys]

Xray-core/common/signal/timer.go

Line 53 in 33272a0

func (t *ActivityTimer) SetTimeout(timeout time.Duration) {

这里自上次修复以后出现了其他泄露情况

`

0x47af84 internal/sync.runtime_SemacquireMutex+0x24 C:/Program Files/Go/src/runtime/sema.go:95

0x49725c internal/sync.(*Mutex).lockSlow+0x15c C:/Program Files/Go/src/internal/sync/mutex.go:149

0x498db0 internal/sync.(*Mutex).Lock+0x30 C:/Program Files/Go/src/internal/sync/mutex.go:70

0x498d8e sync.(*Mutex).Lock+0xe C:/Program Files/Go/src/sync/mutex.go:46

0x498d92 sync.(*RWMutex).Lock+0x12 C:/Program Files/Go/src/sync/rwmutex.go:150

0x8b3e09 github.com/xtls/xray-core/common/signal.(*ActivityTimer).finish+0x29

0x8b4278 github.com/xtls/xray-core/common/signal.(*ActivityTimer).check+0x38

0x8b34a3 github.com/xtls/xray-core/common/task.(*Periodic).checkedExecute+0x43

0x8b37c8 github.com/xtls/xray-core/common/task.(*Periodic).Start+0xa8

0x8b403e github.com/xtls/xray-core/common/signal.(*ActivityTimer).SetTimeout+0xfe

0xc8c152 github.com/xtls/xray-core/proxy/freedom.(*Handler).Process.func4+0x1f2

0xc8bee1 github.com/xtls/xray-core/proxy/freedom.(*Handler).Process.OnSuccess.func7+0x21

0x8b3ceb github.com/xtls/xray-core/common/task.Run.func1+0x2b`

看起来像是在执行SetTimeout时Periodic那边执行了导致这个死锁。

我自己对SetTimeout这个单独加了一个锁解决了。但不像是能彻底解决问题

[Fangliding]

上次的改动引入的 因为 checkTask.Start() 也会执行一次check 导致重入