SANEI  1.2.1.196-0f472
sanei_access.h
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1 /* sane - Scanner Access Now Easy.
2 
3  Copyright (C) 2005 Gerhard Jaeger <gerhard@gjaeger.de>
4 
5  This file is part of the SANE package.
6 
7  This program is free software; you can redistribute it and/or
8  modify it under the terms of the GNU General Public License as
9  published by the Free Software Foundation; either version 2 of the
10  License, or (at your option) any later version.
11 
12  This program is distributed in the hope that it will be useful, but
13  WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program. If not, see <https://www.gnu.org/licenses/>.
19 
20  As a special exception, the authors of SANE give permission for
21  additional uses of the libraries contained in this release of SANE.
22 
23  The exception is that, if you link a SANE library with other files
24  to produce an executable, this does not by itself cause the
25  resulting executable to be covered by the GNU General Public
26  License. Your use of that executable is in no way restricted on
27  account of linking the SANE library code into it.
28 
29  This exception does not, however, invalidate any other reasons why
30  the executable file might be covered by the GNU General Public
31  License.
32 
33  If you submit changes to SANE to the maintainers to be included in
34  a subsequent release, you agree by submitting the changes that
35  those changes may be distributed with this exception intact.
36 
37  If you write modifications of your own for SANE, it is your choice
38  whether to permit this exception to apply to your modifications.
39  If you do not wish that, delete this exception notice.
40 
41 */
42 
51 #ifndef sanei_access_h
52 #define sanei_access_h
53 
54 #include "../include/sane/config.h"
55 #include "../include/sane/sane.h"
56 
63 extern void sanei_access_init( const char * backend );
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82 extern SANE_Status sanei_access_lock( const char * devicename, SANE_Word timeout );
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93 extern SANE_Status sanei_access_unlock( const char * devicename );
94 
95 #endif /* sanei_access_h */
SANE_Status sanei_access_unlock(const char *devicename)
Unlock a previously set lock.
void sanei_access_init(const char *backend)
Initialize sanei_access.
SANE_Status sanei_access_lock(const char *devicename, SANE_Word timeout)
Set a lock.