Assertion: o operation | /r/HasProperty | completed available
Facets:
value: for use
type: PURPOSE
Source sentences:
text: O is the asynchronous I/O, in which the I/O request returns immediately allowing the process to continue on with other tasks, and then the process is notified ( via changing a process variable, or a software interrupt, or a callback function ) when the I/O operation has completed and the data is available for use.