/**
* @brief Constructs a unique_lock from a Mutex and tries to lock it.
*/
inline unique_lock(mutex_type& mtx, try_to_lock_t)
: m_mtx{&mtx}, m_owns{mtx.try_lock()} {}
explicit unique_lock(mutex_type& m)
: mutex_ptr_(&m), owns_(false)
{
m.lock();
owns_ = true;
}
/**
* Constructor from a mutex reference.
*
* @param mtx the mutex to lock.
*
* __Effects: Stores a reference to the mutex to lock and locks it.
* __Throws: Any exception BasicMutex::lock() can throw.
*/
explicit strict_lock(mutex_type& mtx) :
mtx_(mtx)
{
mtx.lock();
} /*< locks on construction >*/
explicit lock_guard(mutex_type & mtx)
: mutex_(mtx)
{
mtx.lock();
}
