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

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Also remove the now un-needed mutex locking in Start() and Stop()
This commit is contained in:
☃ Elliot Shepherd 2016-08-26 00:12:17 +10:00
parent 806e3cd075
commit ac0f8b81ae
1 changed files with 4 additions and 12 deletions
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16
miner/agent.go
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@ -43,8 +43,10 @@ type CpuAgent struct {
func NewCpuAgent(index int, pow pow.PoW) *CpuAgent { func NewCpuAgent(index int, pow pow.PoW) *CpuAgent {
miner := &CpuAgent{ miner := &CpuAgent{
pow: pow, pow: pow,
index: index, index: index,
quit: make(chan struct{}),
workCh: make(chan *Work, 1),
} }
return miner 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) SetReturnCh(ch chan<- *Result) { self.returnCh = ch }
func (self *CpuAgent) Stop() { func (self *CpuAgent) Stop() {
self.mu.Lock()
defer self.mu.Unlock()
close(self.quit) close(self.quit)
} }
func (self *CpuAgent) Start() { func (self *CpuAgent) Start() {
self.mu.Lock()
defer self.mu.Unlock()
if !atomic.CompareAndSwapInt32(&self.isMining, 0, 1) { if !atomic.CompareAndSwapInt32(&self.isMining, 0, 1) {
return // agent already started 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() go self.update()
} }