Module nix::sys::aio
[−]
[src]
POSIX Asynchronous I/O
The POSIX AIO interface is used for asynchronous I/O on files and disk-like
devices. It supports read
,
write
, and
fsync
operations. Completion
notifications can optionally be delivered via
signals, via the
aio_suspend
function, or via polling. Some
platforms support other completion
notifications, such as
kevent.
Multiple operations may be submitted in a batch with
lio_listio
, though the standard does not guarantee
that they will be executed atomically.
Outstanding operations may be cancelled with
cancel
or
aio_cancel_all
, though the operating system may
not support this for all filesystems and devices.
Structs
AioCb |
AIO Control Block. |
LioCb |
LIO Control Block. |
Enums
AioCancelStat |
Return values for |
AioFsyncMode |
Mode for |
Buffer |
Owns (uniquely or shared) a memory buffer to keep it from |
LioMode |
Mode for |
LioOpcode |
When used with |
Functions
aio_cancel_all |
Cancels outstanding AIO requests for a given file descriptor. |
aio_suspend |
Suspends the calling process until at least one of the specified |