AIO_ERROR(3)

NAME
aio_error - get error status of asynchronous I/O operation

SYNOPSIS
#include <aio.h>

int aio_error(const struct aiocb *aiocbp);

Link with -lrt.

DESCRIPTION
The aio_error() function returns the error status for the asynchronous I/O request with control block pointed to by aiocbp. (See aio(7) for a description of the aiocb structure.)

RETURN VALUE
This function returns one of the following:

*   EINPROGRESS, if the request has not been completed yet.

*   ECANCELED, if the request was canceled.

*   0, if the request completed successfully.

*   A positive error number, if the asynchronous I/O operation failed. This is the same value that would have been stored in the errno variable in the case of a synchronous read(2), write(2), fsync(2), or fdatasync(2) call.

ERRORS

EINVAL
    aiocbp does not point at a control block for an asynchronous I/O request of which the return status (see aio_return(3)) has not been retrieved yet.

ENOSYS
    aio_error() is not implemented.

VERSIONS
The aio_error() function is available since glibc 2.1.

ATTRIBUTES

  Multithreading (see pthreads(7))
The aio_error() function is thread-safe.

CONFORMING TO
POSIX.1-2001, POSIX.1-2008.

EXAMPLE
See aio(7).

SEE ALSO
aio_cancel(3), aio_fsync(3), aio_read(3), aio_return(3), aio_suspend(3), aio_write(3), lio_listio(3), aio(7)

COLOPHON
This page is part of release 3.63 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.