1/**************************************************************************
2 *
3 * Copyright 2010 Younes Manton.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28#include "util/u_handle_table.h"
29#include "os/os_thread.h"
30#include "vdpau_private.h"
31
32static struct handle_table *htab = NULL;
33static mtx_t htab_lock = _MTX_INITIALIZER_NP;
34
35boolean vlCreateHTAB(void)
36{
37   boolean ret;
38
39   /* Make sure handle table handles match VDPAU handles. */
40   assert(sizeof(unsigned) <= sizeof(vlHandle));
41   mtx_lock(&htab_lock);
42   if (!htab)
43      htab = handle_table_create();
44   ret = htab != NULL;
45   mtx_unlock(&htab_lock);
46   return ret;
47}
48
49void vlDestroyHTAB(void)
50{
51   mtx_lock(&htab_lock);
52   if (htab && !handle_table_get_first_handle(htab)) {
53      handle_table_destroy(htab);
54      htab = NULL;
55   }
56   mtx_unlock(&htab_lock);
57}
58
59vlHandle vlAddDataHTAB(void *data)
60{
61   vlHandle handle = 0;
62
63   assert(data);
64   mtx_lock(&htab_lock);
65   if (htab)
66      handle = handle_table_add(htab, data);
67   mtx_unlock(&htab_lock);
68   return handle;
69}
70
71void* vlGetDataHTAB(vlHandle handle)
72{
73   void *data = NULL;
74
75   assert(handle);
76   mtx_lock(&htab_lock);
77   if (htab)
78      data = handle_table_get(htab, handle);
79   mtx_unlock(&htab_lock);
80   return data;
81}
82
83void vlRemoveDataHTAB(vlHandle handle)
84{
85   mtx_lock(&htab_lock);
86   if (htab)
87      handle_table_remove(htab, handle);
88   mtx_unlock(&htab_lock);
89}
90