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41 lines
1.5 KiB
C++
41 lines
1.5 KiB
C++
/* Provides means for monitoring the execution and retrieving the result of asynchronous operations.
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Author: Foxy
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*/
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#ifndef _INCLUDE_GUARD_TASK
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#define _INCLUDE_GUARD_TASK
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//Creates a new task using the specified function
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#define Task_New(fnc) [fnc, nil, 0, nil]
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//Starts the task with the specified parameters.
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//Returns the task if succesfully started, otherwise nil.
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#define Task_Start(task, params) ([task, params] call dz_fn_task_start)
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//Cancels a currently running task.
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//Returns true if succesfully canceled, otherwise false.
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#define Task_Cancel(task) ([task] call dz_fn_task_cancel)
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//Gets the task result. Returns nil if not completed.
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//Note that nil may also be returned if the task function did not return a value.
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#define Task_Result(task) ((task) select 3)
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//Waits for the task to complete and returns the result.
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//Cannot be called in the unscheduled environment.
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//Waits for completion even if the task has not yet been started.
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#define Task_Wait(task) ((task) call dz_fn_task_wait)
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//Determines whether the task has been started (may have since completed or been canceled).
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#define Task_IsStarted(task) (((task) select 2) != 0)
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//Determines whether the task is currently running.
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#define Task_IsRunning(task) (((task) select 2) == 1)
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//Determines whether the task has completed normally.
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#define Task_IsCompleted(task) (((task) select 2) == 2)
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//Determines whether the task has canceled prior to completion.
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#define Task_IsCanceled(task) (((task) select 2) == 3)
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#endif |