aio_suspend
aio_suspend
Suspends the calling process until one of the asynchronous I/O operations completes.
Syntax
int aio_suspend(const struct aiocb * const cblist[], int n, const struct timespec *timeout);
Arguments
- cblist[]
- Pointer to a control block on which I/O is initiated
- n
- Length ofcblistlist
- *timeout
- Time interval to suspend the calling process
Description
The
aio_suspend()
function is like a wait operation. It suspends the calling process until,- At least one of the asynchronous I/O requests in the listcblistof lengthnhas completed
- A signal is delivered
- The time interval indicated intimeoutis notNULLand has passed.
Each item in the
cblist
list must either be NULL
(when it is ignored), or a pointer to a control block on which I/O was initiated using aio_read()
, aio_write()
, or lio_listio()
functions.Returns
0
: On success-1
: On errorTo get the correct error code, use
errno
.