1 /*
2  * Copyright (c) 2002-2019 One Identity
3  * Copyright (c) 2019 Laszlo Budai <laszlo.budai@balabit.com>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
18  *
19  * As an additional exemption you are allowed to compile & link against the
20  * OpenSSL libraries as published by the OpenSSL project. See the file
21  * COPYING for details.
22  *
23  */
24 
25 #ifndef DYNAMIC_WINDOW_POOL_H_INCLUDED
26 #define DYNAMIC_WINDOW_POOL_H_INCLUDED
27 
28 #include "syslog-ng.h"
29 #include "atomic.h"
30 
31 typedef struct _DynamicWindowPool DynamicWindowPool;
32 
33 struct _DynamicWindowPool
34 {
35   GAtomicCounter ref_cnt;
36 
37   gsize pool_size;
38   gsize free_window;
39   gsize balanced_window;
40 };
41 
42 DynamicWindowPool *dynamic_window_pool_new(gsize iw_size);
43 void dynamic_window_pool_init(DynamicWindowPool *self);
44 DynamicWindowPool *dynamic_window_pool_ref(DynamicWindowPool *self);
45 void dynamic_window_pool_unref(DynamicWindowPool *self);
46 
47 gsize dynamic_window_pool_request(DynamicWindowPool *self, gsize requested_size);
48 void dynamic_window_pool_release(DynamicWindowPool *self, gsize release_size);
49 
50 #endif
51