boost::asio序列11：调度器
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scheduler在Linux系统中主要负责异步I/O操作所对应的Handler分配工作，其调度功能是通过采用epoll_reactor机制来实现的。
class scheduler
: public execution_context_service_base<scheduler>,
public thread_context
{
public:
typedef scheduler_operation operation;
// Constructor. Specifies the number of concurrent threads that are likely to
// run the scheduler. If set to 1 certain optimisation are performed.
BOOST_ASIO_DECL scheduler(boost::asio::execution_context& ctx,
int concurrency_hint = 0, bool own_thread = true);
// Destructor.全部评论 (0)
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