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Added thread_group argument to ThreadPool.

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This commit is contained in:
Nikolai Kochetov 2019-04-18 17:58:46 +03:00
parent 8718b7bb40
commit ff35e3876e
1 changed files with 2 additions and 2 deletions
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dbms/src/Common/ThreadPool.h
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@ -38,11 +38,11 @@ public:
using Job = std::function<void()>;
/// Size is constant. Up to num_threads are created on demand and then run until shutdown.
explicit ThreadPoolImpl(size_t max_threads, DB::ThreadGroupStatusPtr thread_group_);
explicit ThreadPoolImpl(size_t max_threads, DB::ThreadGroupStatusPtr thread_group_ = nullptr);
/// queue_size - maximum number of running plus scheduled jobs. It can be greater than max_threads. Zero means unlimited.
/// Specify thread_group if thread pool is used for concrete query execution (or leave it it nullptr and attach to thread group manually).
ThreadPoolImpl(size_t max_threads, size_t max_free_threads, size_t queue_size, DB::ThreadGroupStatusPtr thread_group_);
ThreadPoolImpl(size_t max_threads, size_t max_free_threads, size_t queue_size, DB::ThreadGroupStatusPtr thread_group_ = nullptr);
/// Add new job. Locks until number of scheduled jobs is less than maximum or exception in one of threads was thrown.
/// If an exception in some thread was thrown, method silently returns, and exception will be rethrown only on call to 'wait' function.