# std::shared_lock<Mutex>::release

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< cpp‎ | thread‎ | shared lock

mutex_type* release() noexcept; |  | (since C++14)

Breaks the association of the associated mutex, if any, and *this.

No locks are unlocked. If the *this held ownership of the associated mutex prior to the call, the caller is now responsible to unlock the mutex.

### Parameters

(none)

### Return value

Pointer to the associated mutex or a null pointer if there was no associated mutex.

### Example

| This section is incomplete Reason: no example

### See also

unlock | unlocks the associated mutex (public member function)
release | disassociates the associated mutex without unlocking (i.e., releasing ownership of) it (public member function of `std::unique_lock<Mutex>`)

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