Manpage of AIO_RETURN
AIO_RETURNSection: Linux Programmer's Manual (3)
NAMEaio_return - get return status of asynchronous I/O operation
ssize_t aio_return(struct aiocb *aiocbp);
DESCRIPTIONThe aio_return() function returns the final return status for the asynchronous I/O request with control block pointed to by aiocbp. (See aio(7) for a description of the aiocbstructure.)
This function should be called only once for any given request, after aio_error(3) returns something other than EINPROGRESS.
RETURN VALUEIf the asynchronous I/O operation has completed, this function returns the value that would have been returned in case of a synchronous read(2), write(2), fsync(2) or fdatasync(2), call. On error, -1 is returned, and errno is set appropriately.
- aiocbpdoes not point at a control block for an asynchronous I/O request of which the return status has not been retrieved yet.
- aio_return() is not implemented.
VERSIONSThe aio_return() function is available since glibc 2.1.
ATTRIBUTESFor an explanation of the terms used in this section, see attributes(7).
CONFORMING TOPOSIX.1-2001, POSIX.1-2008.
SEE ALSOaio_cancel(3), aio_error(3), aio_fsync(3), aio_read(3), aio_suspend(3), aio_write(3), lio_listio(3), aio(7)
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