miner: Move CpuAgent channel creation from Start() to initialization (fixes #2948)

Also remove the now un-needed mutex locking in Start() and Stop()
pull/2949/head
☃ Elliot Shepherd 8 years ago
parent 806e3cd075
commit ac0f8b81ae
  1. 16
      miner/agent.go

@ -43,8 +43,10 @@ type CpuAgent struct {
func NewCpuAgent(index int, pow pow.PoW) *CpuAgent {
miner := &CpuAgent{
pow: pow,
index: index,
pow: pow,
index: index,
quit: make(chan struct{}),
workCh: make(chan *Work, 1),
}
return miner
@ -55,25 +57,15 @@ func (self *CpuAgent) Pow() pow.PoW { return self.pow }
func (self *CpuAgent) SetReturnCh(ch chan<- *Result) { self.returnCh = ch }
func (self *CpuAgent) Stop() {
self.mu.Lock()
defer self.mu.Unlock()
close(self.quit)
}
func (self *CpuAgent) Start() {
self.mu.Lock()
defer self.mu.Unlock()
if !atomic.CompareAndSwapInt32(&self.isMining, 0, 1) {
return // agent already started
}
self.quit = make(chan struct{})
// creating current op ch makes sure we're not closing a nil ch
// later on
self.workCh = make(chan *Work, 1)
go self.update()
}

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