<div class="t-tr-text">C + +: concetti<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">C++ concepts:</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> Lockable
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Il concetto Lockable estende il concetto BasicLockable includere bloccaggio tentato.
Original:
The Lockable concept extends the BasicLockable concept to include attempted locking.
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Requisiti
Per L tipo da Lockable, deve soddisfare la condizione di cui sopra, nonché le seguenti:
Original:
For type L to be Lockable, it must meet the above condition as well as the following:
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| Expression | Effects | Return value |
|---|---|---|
m.try_lock()
|
Attempts to acquire the lock for the current execution agent without blocking. If an exception is thrown, no lock is obtained. | true if the lock was acquired, false otherwise
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