miner: change bool to atomic int

This commit is contained in:
rjl493456442 2020-05-12 16:48:30 +08:00
parent 97f5cb2fdd
commit 924b5e8285

View file

@ -169,12 +169,12 @@ type worker struct {
running int32 // The indicator whether the consensus engine is running or not.
newTxs int32 // New arrival transaction count since last sealing work submitting.
// noempty is the flag used to control whether the feature of pre-seal
// empty block is enabled. The default value is false.
// But in some special scenario the consensus engine will seal blocks
// instantaneously, in this case this feature will add all empty blocks
// into canonical chain non-stop and no real transaction will be included.
noempty bool
// noempty is the flag used to control whether the feature of pre-seal empty
// block is enabled. The default value is false(pre-seal is enabled by default).
// But in some special scenario the consensus engine will seal blocks instantaneously,
// in this case this feature will add all empty blocks into canonical chain
// non-stop and no real transaction will be included.
noempty uint32
// External functions
isLocalBlock func(block *types.Block) bool // Function used to determine whether the specified block is mined by local miner.
@ -256,12 +256,12 @@ func (w *worker) setRecommitInterval(interval time.Duration) {
// disablePreseal disables pre-sealing mining feature
func (w *worker) disablePreseal() {
w.noempty = true
atomic.StoreUint32(&w.noempty, 1)
}
// enablePreseal enables pre-sealing mining feature
func (w *worker) enablePreseal() {
w.noempty = false
atomic.StoreUint32(&w.noempty, 0)
}
// pending returns the pending state and corresponding block.
@ -930,7 +930,7 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64)
// Create an empty block based on temporary copied state for
// sealing in advance without waiting block execution finished.
if !noempty && !w.noempty {
if !noempty && atomic.LoadUint32(&w.noempty) == 0 {
w.commit(uncles, nil, false, tstart)
}
@ -943,7 +943,7 @@ func (w *worker) commitNewWork(interrupt *int32, noempty bool, timestamp int64)
// Short circuit if there is no available pending transactions.
// But if we disable empty precommit already, ignore it. Since
// empty block is necessary to keep the liveness of the network.
if len(pending) == 0 && !w.noempty {
if len(pending) == 0 && atomic.LoadUint32(&w.noempty) == 0 {
w.updateSnapshot()
return
}