diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-02-15 11:15:47 +0000 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-02-15 11:15:47 +0000 |
commit | 6ac2c1cc0cd1253ba2014d459010032127f185ec (patch) | |
tree | 6348de9de19e7394800a983c8c614566d22b870b /src/gallium/aux/pipebuffer/linked_list.h | |
parent | c04a7f8929d674971a472ffa4d3a31200c22aa5a (diff) | |
parent | 6d3831b11d9f5aaba61cc2fb8ade61437ad7c335 (diff) |
Merge commit 'origin/gallium-0.1' into gallium-0.1
Conflicts:
src/gallium/drivers/softpipe/sp_quad_fs.c
src/gallium/drivers/softpipe/sp_state.h
src/gallium/drivers/softpipe/sp_state_fs.c
Diffstat (limited to 'src/gallium/aux/pipebuffer/linked_list.h')
-rw-r--r-- | src/gallium/aux/pipebuffer/linked_list.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/gallium/aux/pipebuffer/linked_list.h b/src/gallium/aux/pipebuffer/linked_list.h new file mode 100644 index 0000000000..e99817fb13 --- /dev/null +++ b/src/gallium/aux/pipebuffer/linked_list.h @@ -0,0 +1,91 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + **************************************************************************/ + +/** + * \file + * List macros heavily inspired by the Linux kernel + * list handling. No list looping yet. + * + * Is not threadsafe, so common operations need to + * be protected using an external mutex. + */ + +#ifndef LINKED_LIST_H_ +#define LINKED_LIST_H_ + + +#include <stddef.h> + + +struct list_head +{ + struct list_head *prev; + struct list_head *next; +}; + + +#define LIST_INITHEAD(__item) \ + do { \ + (__item)->prev = (__item); \ + (__item)->next = (__item); \ + } while (0) + +#define LIST_ADD(__item, __list) \ + do { \ + (__item)->prev = (__list); \ + (__item)->next = (__list)->next; \ + (__list)->next->prev = (__item); \ + (__list)->next = (__item); \ + } while (0) + +#define LIST_ADDTAIL(__item, __list) \ + do { \ + (__item)->next = (__list); \ + (__item)->prev = (__list)->prev; \ + (__list)->prev->next = (__item); \ + (__list)->prev = (__item); \ + } while(0) + +#define LIST_DEL(__item) \ + do { \ + (__item)->prev->next = (__item)->next; \ + (__item)->next->prev = (__item)->prev; \ + } while(0) + +#define LIST_DELINIT(__item) \ + do { \ + (__item)->prev->next = (__item)->next; \ + (__item)->next->prev = (__item)->prev; \ + (__item)->next = (__item); \ + (__item)->prev = (__item); \ + } while(0) + +#define LIST_ENTRY(__type, __item, __field) \ + ((__type *)(((char *)(__item)) - offsetof(__type, __field))) + + +#endif /*LINKED_LIST_H_*/ |