Jogger慢跑者NFT挖矿系统开发方案
不同的，{I88公链-I928合约-开发8024}，区块链区块结构有些许差异，但大致相同，基本由区块头、区块体两部分组成，区块头主要存放信息，区块体包含了区块创建过长中所发生的的交易记录。区块链架构主要分为数据层、网络层、共识层、激励层、合约层和应用层，数据层通过技术手段保证数据的不可篡改性和历史可查性；网络层完成节点之间数据传播和交易验证的任务；共识层在于使分布式节点在数据一致性上达到共识；激励层通过发行机制和分配机制等经济激励措施来辅助节点之间达成共识；合约层凑成了区块链可编程的基础；应用层包含了区块链技术的各种应用场景。
-if(cache->first_lock==NULL&&cache->insertions>BUCKET_COUNT)
+if(cache->insertions>BUCKET_COUNT)
{
svn_pool_clear(cache->pool);
-433,18+325,12 locate_cache(svn_cache__t**cache,
}
}
-/*Return NODE for PATH from ROOT's node cache,or NULL if the node
-isn't cached;read it from the FS.*NODE remains valid until either
-POOL or the FS gets cleared or destroyed(whichever comes first).
-
-Since locking can be expensive and POOL may be long-living,for
-nodes that will not need to survive the next call to this function,
-set NEEDS_LOCK_CACHE to FALSE.*/
+/*Return NODE_P for PATH from ROOT's node cache,or NULL if the node
+isn't cached;read it from the FS.*NODE_P is allocated in POOL.*/
.
//stop all threads
stop=true;
condition.notify_all();
//join them
for(size_t i=0;i<workers.size();++i){
workers<i>.join();
}
}
void ThreadPool::joinAll(){
//join them
for(size_t i=0;i<workers.size();++i){
workers<i>.join();
}
}
int ThreadPool::taskSize(){
return tasks.size();
}
//add new work item to the pool
template<class F>
void ThreadPool::enqueue(F f)
{
{//acquire lock
std::unique_lock<std::mutex>lock(queue_mutex);
-if(cache->first_lock==NULL&&cache->insertions>BUCKET_COUNT)
+if(cache->insertions>BUCKET_COUNT)
{
svn_pool_clear(cache->pool);
-433,18+325,12 locate_cache(svn_cache__t**cache,
}
}
-/*Return NODE for PATH from ROOT's node cache,or NULL if the node
-isn't cached;read it from the FS.*NODE remains valid until either
-POOL or the FS gets cleared or destroyed(whichever comes first).
-
-Since locking can be expensive and POOL may be long-living,for
-nodes that will not need to survive the next call to this function,
-set NEEDS_LOCK_CACHE to FALSE.*/
+/*Return NODE_P for PATH from ROOT's node cache,or NULL if the node
+isn't cached;read it from the FS.*NODE_P is allocated in POOL.*/
.
//stop all threads
stop=true;
condition.notify_all();
//join them
for(size_t i=0;i<workers.size();++i){
workers<i>.join();
}
}
void ThreadPool::joinAll(){
//join them
for(size_t i=0;i<workers.size();++i){
workers<i>.join();
}
}
int ThreadPool::taskSize(){
return tasks.size();
}
//add new work item to the pool
template<class F>
void ThreadPool::enqueue(F f)
{
{//acquire lock
std::unique_lock<std::mutex>lock(queue_mutex);
