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
47
48
49
50
51
52
53
54
55
56
57
58
59
|
=head1 NAME
nbd_get_pread_initialize - see whether libnbd pre-initializes read
buffers
=head1 SYNOPSIS
#include <libnbd.h>
int nbd_get_pread_initialize (
struct nbd_handle *h
);
=head1 DESCRIPTION
Return whether libnbd performs a pre-initialization of a buffer passed
to L<nbd_pread(3)> and similar to all zeroes, as set by
L<nbd_set_pread_initialize(3)>.
=head1 RETURN VALUE
This call returns a boolean value.
=head1 ERRORS
This function does not fail.
The following parameters must not be NULL: C<h>.
For more information see L<libnbd(3)/Non-NULL parameters>.
=head1 VERSION
This function first appeared in libnbd 1.12.
If you need to test if this function is available at compile time
check if the following macro is defined:
#define LIBNBD_HAVE_NBD_GET_PREAD_INITIALIZE 1
=head1 SEE ALSO
L<nbd_aio_pread(3)>,
L<nbd_aio_pread_structured(3)>,
L<nbd_create(3)>,
L<nbd_pread(3)>,
L<nbd_pread_structured(3)>,
L<nbd_set_pread_initialize(3)>,
L<nbd_set_strict_mode(3)>,
L<libnbd(3)>.
=head1 AUTHORS
Eric Blake
Richard W.M. Jones
=head1 COPYRIGHT
Copyright Red Hat
|
