The Android Open Source Project | a27d2ba | 2008-10-21 07:00:00 -0700 | [diff] [blame^] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | **************************************************************************** |
| 11 | ****************************************************************************/ |
| 12 | #ifndef _LINUX_PLIST_H_ |
| 13 | #define _LINUX_PLIST_H_ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/list.h> |
| 17 | #include <linux/spinlock_types.h> |
| 18 | |
| 19 | struct plist_head { |
| 20 | struct list_head prio_list; |
| 21 | struct list_head node_list; |
| 22 | }; |
| 23 | |
| 24 | struct plist_node { |
| 25 | int prio; |
| 26 | struct plist_head plist; |
| 27 | }; |
| 28 | |
| 29 | #define PLIST_HEAD_LOCK_INIT(_lock) |
| 30 | |
| 31 | #define PLIST_HEAD_INIT(head, _lock) { .prio_list = LIST_HEAD_INIT((head).prio_list), .node_list = LIST_HEAD_INIT((head).node_list), PLIST_HEAD_LOCK_INIT(&(_lock)) } |
| 32 | |
| 33 | #define PLIST_NODE_INIT(node, __prio) { .prio = (__prio), .plist = PLIST_HEAD_INIT((node).plist, NULL), } |
| 34 | |
| 35 | #define plist_for_each(pos, head) list_for_each_entry(pos, &(head)->node_list, plist.node_list) |
| 36 | |
| 37 | #define plist_for_each_safe(pos, n, head) list_for_each_entry_safe(pos, n, &(head)->node_list, plist.node_list) |
| 38 | |
| 39 | #define plist_for_each_entry(pos, head, mem) list_for_each_entry(pos, &(head)->node_list, mem.plist.node_list) |
| 40 | |
| 41 | #define plist_for_each_entry_safe(pos, n, head, m) list_for_each_entry_safe(pos, n, &(head)->node_list, m.plist.node_list) |
| 42 | |
| 43 | #define plist_first_entry(head, type, member) container_of(plist_first(head), type, member) |
| 44 | #endif |