SYNOPSIS

To link into the kernel: options VFS_AIO

To load as a kernel loadable module:

kldload aio

DESCRIPTION

The facility provides system calls for asynchronous I/O. It is available both as a kernel option for static inclusion and as a dynamic kernel module.

HISTORY

The facility appeared as a kernel option in Fx 3.0 . The kernel module appeared in Fx 5.0 .