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| author | Mark <markya0616@gmail.com> | 2017-09-19 19:28:15 +0800 |
|---|---|---|
| committer | Felix Lange <fjl@users.noreply.github.com> | 2017-09-19 19:28:15 +0800 |
| commit | cb5235eb0767c4de4ba6cc94cf8283421b2179c1 (patch) | |
| tree | 3b59ab5f7c0f28907425b580b431d18b1108be14 | |
| parent | a92d8a26547c138953665387c57168e68bacdd13 (diff) | |
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miner: make starting of CPU agent more reliable (#15148)
| -rw-r--r-- | miner/agent.go | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/miner/agent.go b/miner/agent.go index 855892a07..e3cebbd2e 100644 --- a/miner/agent.go +++ b/miner/agent.go @@ -53,7 +53,19 @@ func (self *CpuAgent) Work() chan<- *Work { return self.workCh } func (self *CpuAgent) SetReturnCh(ch chan<- *Result) { self.returnCh = ch } func (self *CpuAgent) Stop() { + if !atomic.CompareAndSwapInt32(&self.isMining, 1, 0) { + return // agent already stopped + } self.stop <- struct{}{} +done: + // Empty work channel + for { + select { + case <-self.workCh: + default: + break done + } + } } func (self *CpuAgent) Start() { @@ -85,17 +97,6 @@ out: break out } } - -done: - // Empty work channel - for { - select { - case <-self.workCh: - default: - break done - } - } - atomic.StoreInt32(&self.isMining, 0) } func (self *CpuAgent) mine(work *Work, stop <-chan struct{}) { |