_que _req build_queue do_lock lock lock_sync locked make_ownership operator co_await try_acquire try_lock unlock

unlock() promise<ownership>::notify coro::mutex::unlock ( ) inlineprotected unlock the lock if queue is empty, tries to swap locked() to nullptr, however if this fails, it builds queue and continues with the queue if queue is not empty, retrieves the first awaiter, removes it from the queue and resumes it, which transfers ownership to the new owner. Definition at line 186 of file mutex.h. Here is the caller graph for this function: