summaryrefslogtreecommitdiff
path: root/qga/vss-win32/requester.h
blob: 2a39d734a2cde622181d9d418a05d2554628ea19 (plain)
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
/*
 * QEMU Guest Agent VSS requester declarations
 *
 * Copyright Hitachi Data Systems Corp. 2013
 *
 * Authors:
 *  Tomoki Sekiyama   <tomoki.sekiyama@hds.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#ifndef VSS_WIN32_REQUESTER_H
#define VSS_WIN32_REQUESTER_H

#include <basetyps.h>           /* STDAPI */

#ifdef __cplusplus
extern "C" {
#endif

struct Error;

/* Callback to set Error; used to avoid linking glib to the DLL */
typedef void (*ErrorSetFunc)(struct Error **errp,
                             const char *src, int line, const char *func,
                             int win32_err, const char *fmt, ...)
    GCC_FMT_ATTR(6, 7);
typedef struct ErrorSet {
    ErrorSetFunc error_setg_win32_wrapper;
    struct Error **errp;        /* restriction: must not be null */
} ErrorSet;

STDAPI requester_init(void);
STDAPI requester_deinit(void);

typedef void (*QGAVSSRequesterFunc)(int *, ErrorSet *);
void requester_freeze(int *num_vols, ErrorSet *errset);
void requester_thaw(int *num_vols, ErrorSet *errset);

#ifdef __cplusplus
}
#endif

#endif