[−][src]Module io_uring::opcode

Operation code

Modules

Structs

Accept	Issue the equivalent of an `accept4 (2)` system call.
AsyncCancel	Attempt to cancel an already issued request.
Close	Issue the equivalent of a `close(2)` system call.
Connect	Issue the equivalent of a `connect (2)` system call.
EpollCtl	Issue the equivalent of a `epoll_ctl(2) system call.
Fadvise	Issue the equivalent of a `posix_fadvise(2)` system call.
Fallocate	Issue the equivalent of a `fallocate(2)` system call.
FilesUpdate	This command is an alternative to using crate::Submitter::register_files_update which then works in an async fashion, like the rest of the io_uring commands.
Fsync	File sync. See also `fsync (2)`.
LinkTimeout	This request must be linked with another request through Flags::IO_LINK which is described below. Unlike Timeout, LinkTimeout acts on the linked request, not the completion queue.
Madvise	Issue the equivalent of a `madvise(2)` system call.
Nop	Do not perform any I/O.
Openat	Issue the equivalent of a `posix_fadvise(2)` system call.
Openat2	Issue the equivalent of a `openat2(2) system call.
PollAdd	Poll the specified fd.
PollRemove	Remove an existing poll request.
ProvideBuffers
Read	Issue the equivalent of a `read(2)` system call.
ReadFixed	Read from pre-mapped buffers.
Readv	Vectored read operations, similar to `preadv2 (2)`.
Recv	Issue the equivalent of a `recv(2) system call.
RecvMsg	Works just like SendMsg, except for instead.
RemoveBuffers
Send	Issue the equivalent of a `send(2)` system call.
SendMsg	Issue the equivalent of a `sendmsg (2)` system call.
Splice
Statx	Issue the equivalent of a `statx(2)` system call.
SyncFileRange	Issue the equivalent of a `sync_file_range (2)` on the file descriptor.
Tee
Timeout	This command will register a timeout operation.
TimeoutRemove	Attempt to remove an existing timeout operation.
Write	Issue the equivalent of a `write(2)` system call.
WriteFixed	Write to pre-mapped buffers.
Writev	Vectored write operations, similar to `pwritev2 (2)`.