File: io_set_callback.3

package info (click to toggle)
libaio 0.3.110-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 1,132 kB
  • ctags: 749
  • sloc: ansic: 1,931; makefile: 195; sh: 14
file content (46 lines) | stat: -rw-r--r-- 1,032 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
.\"static inline void io_set_callback(struct iocb *iocb, io_callback_t cb)
.TH io_set_callback 3 2009-06-10 "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 
\fBio_getevents\fP, only with the library helpers.
.SH "RETURN VALUES"
None.
.SH ERRORS
None.
.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).