diff options
Diffstat (limited to 'miner/agent.go')
| -rw-r--r-- | miner/agent.go | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/miner/agent.go b/miner/agent.go index 7ccf8d2e0..e80b222c8 100644 --- a/miner/agent.go +++ b/miner/agent.go @@ -19,11 +19,12 @@ package miner import ( "sync" + "sync/atomic" + "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger/glog" "github.com/ethereum/go-ethereum/pow" - "sync/atomic" ) type CpuAgent struct { @@ -63,7 +64,7 @@ func (self *CpuAgent) Stop() { func (self *CpuAgent) Start() { self.mu.Lock() defer self.mu.Unlock() - + if !atomic.CompareAndSwapInt32(&self.isMining, 0, 1) { return // agent already started } |