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authorEric Anholt2008-08-08 17:55:34 -0500
committerEric Anholt2008-08-08 17:57:47 -0500
commitf7a99407153eaba5724b6f1f2cadab62c6a50a26 (patch)
tree0f34135cf30f4810187cdc4daf8e67fdb50377e2 /libdrm/libdrm_lists.h
parent9e9d9b1741965f6529153bc2bcbe2dd8ba96ef3f (diff)
downloadexternal-libdrm-f7a99407153eaba5724b6f1f2cadab62c6a50a26.tar.gz
external-libdrm-f7a99407153eaba5724b6f1f2cadab62c6a50a26.tar.xz
external-libdrm-f7a99407153eaba5724b6f1f2cadab62c6a50a26.zip
Drop TTM interfaces from the userland library.
Diffstat (limited to 'libdrm/libdrm_lists.h')
-rw-r--r--libdrm/libdrm_lists.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/libdrm/libdrm_lists.h b/libdrm/libdrm_lists.h
new file mode 100644
index 00000000..8e23991f
--- /dev/null
+++ b/libdrm/libdrm_lists.h
@@ -0,0 +1,87 @@
1/**************************************************************************
2 *
3 * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA.
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 SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
18 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20 * USE OR OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * The above copyright notice and this permission notice (including the
23 * next paragraph) shall be included in all copies or substantial portions
24 * of the Software.
25 */
26
27/*
28 * List macros heavily inspired by the Linux kernel
29 * list handling. No list looping yet.
30 */
31
32typedef struct _drmMMListHead
33{
34 struct _drmMMListHead *prev;
35 struct _drmMMListHead *next;
36} drmMMListHead;
37
38#define DRMINITLISTHEAD(__item) \
39 do{ \
40 (__item)->prev = (__item); \
41 (__item)->next = (__item); \
42 } while (0)
43
44#define DRMLISTADD(__item, __list) \
45 do { \
46 (__item)->prev = (__list); \
47 (__item)->next = (__list)->next; \
48 (__list)->next->prev = (__item); \
49 (__list)->next = (__item); \
50 } while (0)
51
52#define DRMLISTADDTAIL(__item, __list) \
53 do { \
54 (__item)->next = (__list); \
55 (__item)->prev = (__list)->prev; \
56 (__list)->prev->next = (__item); \
57 (__list)->prev = (__item); \
58 } while(0)
59
60#define DRMLISTDEL(__item) \
61 do { \
62 (__item)->prev->next = (__item)->next; \
63 (__item)->next->prev = (__item)->prev; \
64 } while(0)
65
66#define DRMLISTDELINIT(__item) \
67 do { \
68 (__item)->prev->next = (__item)->next; \
69 (__item)->next->prev = (__item)->prev; \
70 (__item)->next = (__item); \
71 (__item)->prev = (__item); \
72 } while(0)
73
74#define DRMLISTENTRY(__type, __item, __field) \
75 ((__type *)(((char *) (__item)) - offsetof(__type, __field)))
76
77#define DRMLISTEMPTY(__item) ((__item)->next == (__item))
78
79#define DRMLISTFOREACHSAFE(__item, __temp, __list) \
80 for ((__item) = (__list)->next, (__temp) = (__item)->next; \
81 (__item) != (__list); \
82 (__item) = (__temp), (__temp) = (__item)->next)
83
84#define DRMLISTFOREACHSAFEREVERSE(__item, __temp, __list) \
85 for ((__item) = (__list)->prev, (__temp) = (__item)->prev; \
86 (__item) != (__list); \
87 (__item) = (__temp), (__temp) = (__item)->prev)