io_set_callback(3) [debian man page]

io_set_callback(3)						       Linux							io_set_callback(3)

NAME

       io_set_callback - Set up io completion callback function

SYNOPSYS

       #include <errno.h>

       #include <libaio.h>

       static inline void io_set_callback(struct iocb *iocb, io_callback_t cb);

       struct iocb {
	    void      *data;
	    unsigned  key;
	    short	   aio_lio_opcode;
	    short	   aio_reqprio;
	    int       aio_fildes;
       };

       typedef void (*io_callback_t)(io_context_t ctx, struct iocb *iocb, long res, long res2);

DESCRIPTION

       The callback is not done if the caller uses raw events from io_getevents, only with the library helpers.

RETURN VALUES

       None.

ERRORS

       None.

SEE ALSO

       io(3),	 io_cancel(3),	  io_fsync(3),	 io_getevents(3),   io_prep_fsync(3),	io_prep_pread(3),   io_prep_pwrite(3),	 io_queue_init(3),
       io_queue_release(3), io_queue_run(3), io_queue_wait(3), io_submit(3), errno(3).

Linux 2.4							    2009-06-10							io_set_callback(3)

io_queue_release(2)						     Linux AIO						       io_queue_release(2)

NAME

       io_queue_release - Release the context associated with the userspace handle

SYNOPSIS

       #include <errno.h>
       #include <libaio.h>

       int io_queue_release(io_context_t ctx);

DESCRIPTION

       io_queue_release destroys the context associated with the userspace handle. May cancel any outstanding AIOs and block on completion.

       cts.

RETURN VALUES

       On success, io_queue_release returns 0. Otherwise, -error is return, where error is one of the Exxx values defined in the Errors section.

ERRORS

       EINVAL ctx refers to an unitialized aio context, the iocb pointed to by iocbs contains an improperly initialized iocb.

       ENOSYS Not implemented.

SEE ALSO

       io(3),	 io_cancel(3),	  io_fsync(3),	 io_getevents(3),   io_prep_fsync(3),	io_prep_pread(3),   io_prep_pwrite(3),	 io_queue_init(3),
       io_queue_run(3), io_queue_wait(3), io_set_callback(3), io_submit(3), errno(3).

Linux 2.4							    2009-06-10						       io_queue_release(2)