io_setup man page on YellowDog

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IO_SETUP(2)		   Linux Programmer's Manual		   IO_SETUP(2)

NAME
       io_setup - Create an asynchronous I/O context

SYNOPSIS
       #include <libaio.h>

       int io_setup (int maxevents, io_context_t *ctxp);

DESCRIPTION
       io_setup()  creates an asynchronous I/O context capable of receiving at
       least maxevents.	 ctxp must not point to an AIO	context	 that  already
       exists,	and must be initialized to 0 prior to the call.	 On successful
       creation of the AIO context, *ctxp is filled in with the resulting han‐
       dle.

RETURN VALUE
       io_setup() returns 0 on success; otherwise, one of the errors listed in
       the "Errors" section is returned.

ERRORS
       EINVAL ctxp is not initialized, or the specified maxevents exceeds  in‐
	      ternal limits. maxevents should be greater than 0.

       EFAULT An invalid pointer is passed for ctxp.

       ENOMEM Insufficient kernel resources are available.

       EAGAIN The  specified  maxevents	 exceeds the user's limit of available
	      events.

       ENOSYS io_setup() is not implemented on this architecture.

CONFORMING TO
       io_setup() is Linux specific and should not be used  in	programs  that
       are intended to be portable.

VERSIONS
       The  asynchronous  I/O system calls first appeared in Linux 2.5, August
       2002.

SEE ALSO
       io_destroy(2), io_getevents(2), io_submit(2), io_cancel(2).

NOTES
       The asynchronous I/O system calls were written by Benjamin LaHaise.

AUTHOR
       Kent Yoder.

Linux 2.4			  2003-02-21			   IO_SETUP(2)
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