Add cooperative task manager #82
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src/task_manager/cooperative.rs
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| let tasks = [ | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| Vec::new(), | ||
| ]; | ||
| CooperativeTaskManager { | ||
| tasks, | ||
| next_task_id: 0, | ||
| } |
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Why can't we begin with empty tasks array?
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Each vector is for tasks of a specific priority and all possible priorities are initialized at the start of the manager.
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Why can't we create vector for exact priority, when task with such priority appears? Cause seems like we use unnecessary memory. It may be critical for devices with small memory such as esp32.
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Needs examples of new API usage |
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Cooperative task manager representation based on round-robin scheduling with priorities.
CooperativeTaskis a shell forTask(the general structure of the task for both cooperative and preemptive task manager) with fieldsid,statusandpriority.API:
new--- create new task manager;add_task--- create a task with default priority 0 and add it to the queue;add_priority_task--- create a task with specified priority and add it to the queue;find_task--- search and return for a task by its id;put_to_sleep--- put the task to sleep by its id;terminate_task--- put the task into the state of termination by its id. The task cannot be moved from this state to another one, it is deleted immediately using thedelete_taskfunction with private visibility;start_task_task_manager--- starts task manager work;Status of the task changes during it execution. It possible statuses:
Ready,Running,Sleeping,Terminated