aio_error man page on Archlinux

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AIO_ERROR(3P)		   POSIX Programmer's Manual		 AIO_ERROR(3P)

       This  manual  page is part of the POSIX Programmer's Manual.  The Linux
       implementation of this interface may differ (consult the	 corresponding
       Linux  manual page for details of Linux behavior), or the interface may
       not be implemented on Linux.

       aio_error — retrieve errors status for an asynchronous I/O operation

       #include <aio.h>

       int aio_error(const struct aiocb *aiocbp);

       The aio_error() function shall return the error status associated  with
       the aiocb structure referenced by the aiocbp argument. The error status
       for an asynchronous I/O operation is the errno value that would be  set
       by  the	corresponding  read(), write(), fdatasync(), or fsync() opera‐
       tion. If the operation has not yet completed,  then  the	 error	status
       shall be equal to [EINPROGRESS].

       If  the	aiocb structure pointed to by aiocbp is not associated with an
       operation that has been scheduled, the results are undefined.

       If the asynchronous I/O operation has completed	successfully,  then  0
       shall  be  returned. If the asynchronous operation has completed unsuc‐
       cessfully, then the error status, as  described	for  read(),  write(),
       fdatasync(),  and  fsync(),  shall be returned. If the asynchronous I/O
       operation has not yet completed, then [EINPROGRESS] shall be returned.

       If the aio_error() function fails, it shall return −1 and set errno  to
       indicate the error.

       The aio_error() function may fail if:

       EINVAL The  aiocbp argument does not refer to an asynchronous operation
	      whose return status has not yet been retrieved.

       The following sections are informative.





       aio_cancel(), aio_fsync(), aio_read(), aio_return(), aio_write(),
       close(), exec, exit(), fork(), lio_listio(), lseek(), read()

       The Base Definitions volume of POSIX.1‐2008, <aio.h>

       Portions	 of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology
       --  Portable  Operating	System	Interface (POSIX), The Open Group Base
       Specifications Issue 7, Copyright (C) 2013 by the Institute of Electri‐
       cal  and	 Electronics  Engineers,  Inc  and  The	 Open Group.  (This is
       POSIX.1-2008 with the 2013 Technical Corrigendum	 1  applied.)  In  the
       event of any discrepancy between this version and the original IEEE and
       The Open Group Standard, the original IEEE and The Open Group  Standard
       is  the	referee document. The original Standard can be obtained online
       at .

       Any typographical or formatting errors that appear  in  this  page  are
       most likely to have been introduced during the conversion of the source
       files to man page format. To report such errors,	 see  https://www.ker‐ .

IEEE/The Open Group		     2013			 AIO_ERROR(3P)

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