man/io_set_callback.3

./"static inline void io_set_callback(struct iocb *iocb, io_callback_t cb)
.TH io_set_callback 3 2002-09-12 "Linux 2.4" Linux AIO"
.SH NAME
io_set_callback \- Set up io completion callback function
.SH SYNOPSYS
.nf
.B #include <errno.h>
.br
.sp
.B #include <libaio.h>
.br
.sp
.BI "static inline void io_set_callback(struct iocb *iocb, io_callback_t cb)"
.sp
struct iocb {
	void		*data;
	unsigned	key;
	short		aio_lio_opcode;
	short		aio_reqprio;
	int		aio_fildes;
};
.sp
typedef void (*io_callback_t)(io_context_t ctx, struct iocb *iocb, long res, long res2);
.sp
.fi
.SH DESCRIPTION
The callback is not done if the caller uses raw events from 
io_getevents, only with the library helpers
.SH "RETURN VALUES"
.SH ERRORS
.SH "SEE ALSO"
.BR io(3),
.BR io_cancel(3),
.BR io_fsync(3),
.BR io_getevents(3),
.BR io_prep_fsync(3),
.BR io_prep_pread(3),
.BR io_prep_pwrite(3),
.BR io_queue_init(3),
.BR io_queue_release(3),
.BR io_queue_run(3),
.BR io_queue_wait(3),
.BR io_submit(3),
.BR errno(3)