CancelTask cancels a task.

GetCPUCountOfNode gets the CPU count of the managed node.

NotifyTaskChange is used to notify the scheduler manager that the task is changed, either a new task is submitted or a task is finished.

PauseTask pauses a task.

ResumeTask resumes a task.

RunWithRetry runs a function with retry, when retry exceed max retry time, it returns the last error met.

SubmitTask submits a task.

WaitTask waits for a task until it meets the matchFn.

WaitTaskDoneByKey waits for a task done by task key.

WaitTaskDoneOrPaused waits for a task done or paused.

TaskChangedCh used to speed up task schedule, such as when task is submitted in the same node as the scheduler manager.