klist.h
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上传日期:2009-04-28
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文件大小:1k
- /*
- * klist.h - Some generic list helpers, extending struct list_head a bit.
- *
- * Implementations are found in lib/klist.c
- *
- *
- * Copyright (C) 2005 Patrick Mochel
- *
- * This file is rleased under the GPL v2.
- */
- #ifndef _LINUX_KLIST_H
- #define _LINUX_KLIST_H
- #include <linux/spinlock.h>
- #include <linux/completion.h>
- #include <linux/kref.h>
- #include <linux/list.h>
- struct klist_node;
- struct klist {
- spinlock_t k_lock;
- struct list_head k_list;
- void (*get)(struct klist_node *);
- void (*put)(struct klist_node *);
- };
- extern void klist_init(struct klist * k, void (*get)(struct klist_node *),
- void (*put)(struct klist_node *));
- struct klist_node {
- struct klist * n_klist;
- struct list_head n_node;
- struct kref n_ref;
- struct completion n_removed;
- };
- extern void klist_add_tail(struct klist_node * n, struct klist * k);
- extern void klist_add_head(struct klist_node * n, struct klist * k);
- extern void klist_del(struct klist_node * n);
- extern void klist_remove(struct klist_node * n);
- extern int klist_node_attached(struct klist_node * n);
- struct klist_iter {
- struct klist * i_klist;
- struct list_head * i_head;
- struct klist_node * i_cur;
- };
- extern void klist_iter_init(struct klist * k, struct klist_iter * i);
- extern void klist_iter_init_node(struct klist * k, struct klist_iter * i,
- struct klist_node * n);
- extern void klist_iter_exit(struct klist_iter * i);
- extern struct klist_node * klist_next(struct klist_iter * i);
- #endif