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

do_lock() promise<ownership>::notify coro::mutex::do_lock ( future< ownership > *  fut_awt ) inlineprotected initiate lock operation registers the awaiter as a new request. If it is first request, the lock has been acquired, builds queue of requests and returns false. Otherwise keeps awaiter registered and returns true Parameters awt awaiter Return values false can't registrer, we acquired ownership, so continue true registered, we can wait Definition at line 146 of file mutex.h. Here is the caller graph for this function: