Showing content from https://cplusplus.com/Lockable below:
concept
Lockable
Lockable type (mutex type)
A lockable type (also known as mutex type) is a BasicLockable type that supports try_lock.
Types The standard library defines the following Lockable types:
Requirements A value m is of a Lockable type if the following expressions are well-formed:
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m.lock()
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- Effects: Block until a lock can be acquired for the current execution agent. If an exception is thrown, then a lock shall not have been acquired for the current execution agent.
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m.unlock()
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- Requires: The current execution agent shall hold a lock on m.
- Effects: Releases a lock on m held by the current execution agent.
- Throws: Nothing.
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m.try_lock()
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- Effects: Attempts to acquire a lock for the current execution agent without blocking. If an exception is thrown, then a lock shall not have been acquired for the current execution agent.
- Return type:
bool
- Returns:
true if the lock was acquired, false otherwise.
See also
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BasicLockable
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Basic lockable type (concept)
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TimedLockable
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Timed lockable type (concept)
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