Bring in Linux list implementation for bsd from mach64-0-0-6-branch

2 files changed, 71 insertions, 0 deletions

diff --git a/xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h b/xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h
index d7e73f084..1e93fb717 100644
--- a/xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h
+++ b/xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drmP.h
@@ -66,6 +66,7 @@ typedef struct drm_file drm_file_t;
 #elif defined __NetBSD__
 #include "drm_os_netbsd.h"
 #endif
+#include "drm_linux_list.h"
 
 #include "drm.h"
 
diff --git a/xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drm_linux_list.h b/xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drm_linux_list.h
new file mode 100644
index 000000000..ef87ee669
--- /dev/null
+++ b/xc/programs/Xserver/hw/xfree86/os-support/bsd/drm/kernel/drm_linux_list.h
@@ -0,0 +1,70 @@
+/* drm_linux_list.h -- linux list functions for the BSDs.
+ * Created: Mon Apr 7 14:30:16 1999 by anholt@FreeBSD.org
+ *
+ * Copyright 2003 Eric Anholt
+ * 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, sublicense,
+ * 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 above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS 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.
+ *
+ * Authors:
+ *    Eric Anholt <anholt@FreeBSD.org>
+ */
+
+struct list_head {
+	struct list_head *next, *prev;
+};
+
+/* Cheat, assume the list_head is at the start of the struct */
+#define list_entry(entry, type, member)	(type *)(entry)
+
+static __inline__ void
+INIT_LIST_HEAD(struct list_head *head) {
+	(head)->next = head;
+	(head)->prev = head;
+}
+
+static __inline__ int
+list_empty(struct list_head *head) {
+	return (head)->next == head;
+}
+
+static __inline__ void
+list_add_tail(struct list_head *entry, struct list_head *head) {
+	(entry)->prev = (head)->prev;
+	(entry)->next = head;
+	(head)->prev->next = entry;
+	(head)->prev = entry;
+}
+
+static __inline__ void
+list_del(struct list_head *entry) {
+	(entry)->next->prev = (entry)->prev;
+	(entry)->prev->next = (entry)->next;
+}
+
+#define list_for_each(entry, head)				\
+    for (entry = (head)->next; entry != head; entry = (entry)->next)
+
+#define list_for_each_safe(entry, temp, head)			\
+    for (entry = (head)->next, temp = (entry)->next;		\
+	temp != head; 						\
+	entry = temp, temp = temp->next)
+
+