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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/include/linux/plist.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/include/linux/plist.h')
-rw-r--r-- | ANDROID_3.4.5/include/linux/plist.h | 255 |
1 files changed, 0 insertions, 255 deletions
diff --git a/ANDROID_3.4.5/include/linux/plist.h b/ANDROID_3.4.5/include/linux/plist.h deleted file mode 100644 index aa0fb390..00000000 --- a/ANDROID_3.4.5/include/linux/plist.h +++ /dev/null @@ -1,255 +0,0 @@ -/* - * Descending-priority-sorted double-linked list - * - * (C) 2002-2003 Intel Corp - * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>. - * - * 2001-2005 (c) MontaVista Software, Inc. - * Daniel Walker <dwalker@mvista.com> - * - * (C) 2005 Thomas Gleixner <tglx@linutronix.de> - * - * Simplifications of the original code by - * Oleg Nesterov <oleg@tv-sign.ru> - * - * Licensed under the FSF's GNU Public License v2 or later. - * - * Based on simple lists (include/linux/list.h). - * - * This is a priority-sorted list of nodes; each node has a - * priority from INT_MIN (highest) to INT_MAX (lowest). - * - * Addition is O(K), removal is O(1), change of priority of a node is - * O(K) and K is the number of RT priority levels used in the system. - * (1 <= K <= 99) - * - * This list is really a list of lists: - * - * - The tier 1 list is the prio_list, different priority nodes. - * - * - The tier 2 list is the node_list, serialized nodes. - * - * Simple ASCII art explanation: - * - * pl:prio_list (only for plist_node) - * nl:node_list - * HEAD| NODE(S) - * | - * ||------------------------------------| - * ||->|pl|<->|pl|<--------------->|pl|<-| - * | |10| |21| |21| |21| |40| (prio) - * | | | | | | | | | | | - * | | | | | | | | | | | - * |->|nl|<->|nl|<->|nl|<->|nl|<->|nl|<->|nl|<-| - * |-------------------------------------------| - * - * The nodes on the prio_list list are sorted by priority to simplify - * the insertion of new nodes. There are no nodes with duplicate - * priorites on the list. - * - * The nodes on the node_list are ordered by priority and can contain - * entries which have the same priority. Those entries are ordered - * FIFO - * - * Addition means: look for the prio_list node in the prio_list - * for the priority of the node and insert it before the node_list - * entry of the next prio_list node. If it is the first node of - * that priority, add it to the prio_list in the right position and - * insert it into the serialized node_list list - * - * Removal means remove it from the node_list and remove it from - * the prio_list if the node_list list_head is non empty. In case - * of removal from the prio_list it must be checked whether other - * entries of the same priority are on the list or not. If there - * is another entry of the same priority then this entry has to - * replace the removed entry on the prio_list. If the entry which - * is removed is the only entry of this priority then a simple - * remove from both list is sufficient. - * - * INT_MIN is the highest priority, 0 is the medium highest, INT_MAX - * is lowest priority. - * - * No locking is done, up to the caller. - * - */ -#ifndef _LINUX_PLIST_H_ -#define _LINUX_PLIST_H_ - -#include <linux/kernel.h> -#include <linux/list.h> - -struct plist_head { - struct list_head node_list; -}; - -struct plist_node { - int prio; - struct list_head prio_list; - struct list_head node_list; -}; - -/** - * PLIST_HEAD_INIT - static struct plist_head initializer - * @head: struct plist_head variable name - */ -#define PLIST_HEAD_INIT(head) \ -{ \ - .node_list = LIST_HEAD_INIT((head).node_list) \ -} - -/** - * PLIST_NODE_INIT - static struct plist_node initializer - * @node: struct plist_node variable name - * @__prio: initial node priority - */ -#define PLIST_NODE_INIT(node, __prio) \ -{ \ - .prio = (__prio), \ - .prio_list = LIST_HEAD_INIT((node).prio_list), \ - .node_list = LIST_HEAD_INIT((node).node_list), \ -} - -/** - * plist_head_init - dynamic struct plist_head initializer - * @head: &struct plist_head pointer - */ -static inline void -plist_head_init(struct plist_head *head) -{ - INIT_LIST_HEAD(&head->node_list); -} - -/** - * plist_node_init - Dynamic struct plist_node initializer - * @node: &struct plist_node pointer - * @prio: initial node priority - */ -static inline void plist_node_init(struct plist_node *node, int prio) -{ - node->prio = prio; - INIT_LIST_HEAD(&node->prio_list); - INIT_LIST_HEAD(&node->node_list); -} - -extern void plist_add(struct plist_node *node, struct plist_head *head); -extern void plist_del(struct plist_node *node, struct plist_head *head); - -/** - * plist_for_each - iterate over the plist - * @pos: the type * to use as a loop counter - * @head: the head for your list - */ -#define plist_for_each(pos, head) \ - list_for_each_entry(pos, &(head)->node_list, node_list) - -/** - * plist_for_each_safe - iterate safely over a plist of given type - * @pos: the type * to use as a loop counter - * @n: another type * to use as temporary storage - * @head: the head for your list - * - * Iterate over a plist of given type, safe against removal of list entry. - */ -#define plist_for_each_safe(pos, n, head) \ - list_for_each_entry_safe(pos, n, &(head)->node_list, node_list) - -/** - * plist_for_each_entry - iterate over list of given type - * @pos: the type * to use as a loop counter - * @head: the head for your list - * @mem: the name of the list_struct within the struct - */ -#define plist_for_each_entry(pos, head, mem) \ - list_for_each_entry(pos, &(head)->node_list, mem.node_list) - -/** - * plist_for_each_entry_safe - iterate safely over list of given type - * @pos: the type * to use as a loop counter - * @n: another type * to use as temporary storage - * @head: the head for your list - * @m: the name of the list_struct within the struct - * - * Iterate over list of given type, safe against removal of list entry. - */ -#define plist_for_each_entry_safe(pos, n, head, m) \ - list_for_each_entry_safe(pos, n, &(head)->node_list, m.node_list) - -/** - * plist_head_empty - return !0 if a plist_head is empty - * @head: &struct plist_head pointer - */ -static inline int plist_head_empty(const struct plist_head *head) -{ - return list_empty(&head->node_list); -} - -/** - * plist_node_empty - return !0 if plist_node is not on a list - * @node: &struct plist_node pointer - */ -static inline int plist_node_empty(const struct plist_node *node) -{ - return list_empty(&node->node_list); -} - -/* All functions below assume the plist_head is not empty. */ - -/** - * plist_first_entry - get the struct for the first entry - * @head: the &struct plist_head pointer - * @type: the type of the struct this is embedded in - * @member: the name of the list_struct within the struct - */ -#ifdef CONFIG_DEBUG_PI_LIST -# define plist_first_entry(head, type, member) \ -({ \ - WARN_ON(plist_head_empty(head)); \ - container_of(plist_first(head), type, member); \ -}) -#else -# define plist_first_entry(head, type, member) \ - container_of(plist_first(head), type, member) -#endif - -/** - * plist_last_entry - get the struct for the last entry - * @head: the &struct plist_head pointer - * @type: the type of the struct this is embedded in - * @member: the name of the list_struct within the struct - */ -#ifdef CONFIG_DEBUG_PI_LIST -# define plist_last_entry(head, type, member) \ -({ \ - WARN_ON(plist_head_empty(head)); \ - container_of(plist_last(head), type, member); \ -}) -#else -# define plist_last_entry(head, type, member) \ - container_of(plist_last(head), type, member) -#endif - -/** - * plist_first - return the first node (and thus, highest priority) - * @head: the &struct plist_head pointer - * - * Assumes the plist is _not_ empty. - */ -static inline struct plist_node *plist_first(const struct plist_head *head) -{ - return list_entry(head->node_list.next, - struct plist_node, node_list); -} - -/** - * plist_last - return the last node (and thus, lowest priority) - * @head: the &struct plist_head pointer - * - * Assumes the plist is _not_ empty. - */ -static inline struct plist_node *plist_last(const struct plist_head *head) -{ - return list_entry(head->node_list.prev, - struct plist_node, node_list); -} - -#endif |