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authorBrian Paul <brianp@vmware.com>2009-02-09 09:22:22 -0700
committerBrian Paul <brianp@vmware.com>2009-02-09 09:22:22 -0700
commite97681c7f551a2a2a6bd5eff0f4192a870c816c0 (patch)
treedff2bf0e6d22efb92af131f64be0621ed316977c /src/gallium/auxiliary/util/u_double_list.h
parent1a46c8a062aea59de5cf55881104489db5d609e5 (diff)
parentb907d4cd8fafe719b4f87d877562829548937485 (diff)
mesa: merge gallium-0.2 into gallium-master-merge
Merge commit 'origin/gallium-0.2' into gallium-master-merge Conflicts: Makefile docs/relnotes-7.4.html docs/relnotes.html src/mesa/drivers/dri/i965/brw_wm.h src/mesa/main/imports.c src/mesa/main/mtypes.h src/mesa/main/texcompress.c src/mesa/main/texenvprogram.c src/mesa/main/version.h src/mesa/vbo/vbo_exec_api.c src/mesa/vbo/vbo_save_draw.c
Diffstat (limited to 'src/gallium/auxiliary/util/u_double_list.h')
-rw-r--r--src/gallium/auxiliary/util/u_double_list.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/util/u_double_list.h b/src/gallium/auxiliary/util/u_double_list.h
new file mode 100644
index 0000000000..d108d92e52
--- /dev/null
+++ b/src/gallium/auxiliary/util/u_double_list.h
@@ -0,0 +1,99 @@
+/**************************************************************************
+ *
+ * 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 _U_DOUBLE_LIST_H_
+#define _U_DOUBLE_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_REPLACE(__from, __to) \
+ do { \
+ (__to)->prev = (__from)->prev; \
+ (__to)->next = (__from)->next; \
+ (__from)->next->prev = (__to); \
+ (__from)->prev->next = (__to); \
+ } 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 /*_U_DOUBLE_LIST_H_*/