std::unique_lock::unlock

 

C++

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Technical Specifications

 

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lock_guard (C++11) scoped_lock (C++17) unique_lock (C++11) shared_lock (C++14) defer_lock_ttry_to_lock_tadopt_lock_t (C++11)(C++11)(C++11)	lock (C++11) try_lock (C++11) defer_locktry_to_lockadopt_lock (C++11)(C++11)(C++11) once_flag (C++11) call_once (C++11)
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std::unique_lock

Member functions

unique_lock::unique_lock

unique_lock::~unique_lock

unique_lock::operator=

Locking

unique_lock::lock

unique_lock::try_lock

unique_lock::try_lock_for

unique_lock::try_lock_until

unique_lock::unlock

Modifiers

unique_lock::swap

unique_lock::release

Observers

unique_lock::mutex

unique_lock::owns_lock

unique_lock::operator bool

Non-member functions

std::swap

 

void unlock();		(since C++11)

Unlocks the associated mutex and releases ownership.

std::system_error is thrown if there is no associated mutex or if the mutex is not locked.

Parameters

(none)

Return value

(none)

Exceptions

• Any exceptions thrown by mutex()->unlock()

• If there is no associated mutex or the mutex is not locked, std::system_error with an error code of std::errc::operation_not_permitted

See also

lock	locks the associated mutex (public member function)
release	disassociates the associated mutex without unlocking it (public member function)