Intel® oneAPI DPC++/C++ Compiler Developer Guide and Reference

Developer Guide and Reference

Contents

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 of
cblist
 list
*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 list
    cblist
     of length
    n
     has completed
  • A signal is delivered
  • The time interval indicated in
    timeout
     is not
    NULL
     and 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 error
To get the correct error code, use
errno
.

Product and Performance Information

1

Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.