97 lines
5.0 KiB
TypeScript
97 lines
5.0 KiB
TypeScript
/**
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* @packageDocumentation
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* @module std.base
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*/
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import { ISharedLockable } from "./ISharedLockable";
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/**
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* Common interface for shared & timed lockable mutex.
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*
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* @author Jeongho Nam - https://github.com/samchon
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*/
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export interface ISharedTimedLockable extends ISharedLockable {
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/**
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* Tries to write lock the mutex until timeout.
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*
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* Attempts to monopoly a mutex until timeout. If succeeded to monopoly the mutex until the
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* timeout, it returns `true`. Otherwise failed to acquiring the lock in the given time, the
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* function gives up the trial and returns `false`.
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*
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* Failed to acquiring the lock in the given time (returns `false`), it means that there's
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* someone who has already {@link lock monopolied} or {@link lock_shared shared} the mutex and
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* does not return it over the timeout.
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*
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* Note that, if you succeeded to monopoly the mutex (returns `true`) but do not call the
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* {@link unlock} function after your business, the others who want to {@link lock monopoly}
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* or {@link lock_shared share} the mutex would be fall into the forever sleep. Therefore,
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* never forget to calling the {@link unlock} function or utilize the
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* {@link UniqueLock.try_lock_for} function instead to ensure the safety.
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*
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* @param ms The maximum miliseconds for waiting.
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* @return Whether succeeded to monopoly the mutex or not.
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*/
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try_lock_for(ms: number): Promise<boolean>;
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/**
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* Tries to write lock the mutex until time expiration.
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*
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* Attemps to monopoly a mutex until time expiration. If succeeded to monopoly the mutex
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* until the time expiration, it returns `true`. Otherwise failed to acquiring the lock in the
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* given time, the function gives up the trial and returns `false`.
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*
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* Failed to acquiring the lock in the given time (returns `false`), it means that there's
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* someone who has already {@link lock monopolied} or {@link lock_shared shared} the mutex and
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* does not return it over the time expiration.
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*
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* Note that, if you succeeded to monopoly the mutex (returns `true`) but do not call the
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* {@link unlock} function after your business, the others who want to {@link lock monopoly}
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* or {@link lock_shared share} the mutex would be fall into the forever sleep. Therefore,
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* never forget to calling the {@link unlock} function or utilize the
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* {@link UniqueLock.try_lock_until} function instead to ensure the safety.
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*
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* @param at The maximum time point to wait.
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* @return Whether succeeded to monopoly the mutex or not.
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*/
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try_lock_until(at: Date): Promise<boolean>;
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/**
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* Tries to read lock the mutex until timeout.
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*
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* Attemps to share a mutex until timeout. If succeeded to share the mutex until timeout, it
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* returns `true`. Otherwise failed to acquiring the shared lock in the given time, the
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* function gives up the trial and returns `false`.
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*
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* Failed to acquring the shared lock in the given time (returns `false`), it means that
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* there's someone who has already {@link lock monopolied} the mutex and does not return it
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* over the timeout.
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*
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* Note that, if you succeeded to share the mutex (returns `true`) but do not call the
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* {@link unlock_shared} function after your buinsess, the others who want to
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* {@link lock monopoly} the mutex would be fall into the forever sleep. Therefore, never
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* forget to calling the {@link unlock_shared} function or utilize the
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* {@link SharedLock.try_lock_for} function instead to ensure the safety.
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*
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* @param ms The maximum miliseconds for waiting.
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* @return Whether succeeded to share the mutex or not.
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*/
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try_lock_shared_for(ms: number): Promise<boolean>;
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/**
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* Tries to read lock the mutex until time expiration.
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*
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* Attemps to share a mutex until time expiration. If succeeded to share the mutex until time
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* expiration, it returns `true`. Otherwise failed to acquiring the shared lock in the given
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* time, the function gives up the trial and returns `false`.
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*
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* Failed to acquring the shared lock in the given time (returns `false`), it means that
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* there's someone who has already {@link lock monopolied} the mutex and does not return it
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* over the time expiration.
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*
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* Note that, if you succeeded to share the mutex (returns `true`) but do not call the
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* {@link unlock_shared} function after your buinsess, the others who want to
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* {@link lock monopoly} the mutex would be fall into the forever sleep. Therefore, never
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* forget to calling the {@link unlock_shared} function or utilize the
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* {@link SharedLock.try_lock_until} function instead to ensure the safety.
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*
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* @param at The maximum time point to wait.
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* @return Whether succeeded to share the mutex or not.
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*/
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try_lock_shared_until(at: Date): Promise<boolean>;
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}
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