Webstruct io_event { void *data; struct iocb *obj; unsigned long res; unsigned long res2; }; io_event是用来描述返回结果的： obj就是之前提交IO任务时的iocb； res和res2来表示IO … WebYou can wait for a completion by calling io_uring_wait_cqe (). This function blocks until at least one completion is available. It fills up details of the completion in the io_uring_cqe structure. This structure’s res member contains the return value of the system call that was executed as part of the request. For example, if io_uring_prep ...

io_getevents(2) - Linux man page - die.net

WebThe struct user_reg requires two inputs, the first is the size of the structure to ensure forward and backward compatibility. The second is the command string to issue for … WebThe io_getevents() system call attempts to read at least min_nr events and up to nr events from the completion queue of the AIO context specified by ctx_id.The timeout argument specifies the amount of time to wait for events, where a NULL timeout waits until at least min_nr events have been seen. Note that timeout is relative and will be updated if not … fire country david estes reviews

awslabs/aws-c-io - Github

WebBeware of frame delay / 1-frame-lag. This can occur if Bevy runs the receiving system before the sending system. The receiving system will only get a chance to receive the events on the next frame update. If you need to ensure that events are handled immediately / during the same frame, you can use explicit system ordering. Events don't persist. WebWill fail with ENOSYS if not implemented. io_pgetevents () The relationship between io_getevents () and io_pgetevents () is analogous to the relationship between select (2) and pselect (2): similar to pselect (2), pgetevents () allows an application to safely wait until either an aio completion event happens or until a signal is caught. The ... esther nomenklatur