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/********************************************************************* *                 * Filename:      irqueue.h * Version:       0.3 * Description:   General queue implementation * Status:        Experimental. * Author:        Dag Brattli <dagb@cs.uit.no> * Created at:    Tue Jun  9 13:26:50 1998 * Modified at:   Thu Oct  7 13:25:16 1999 * Modified by:   Dag Brattli <dagb@cs.uit.no> *  *     Copyright (C) 1998-1999, Aage Kvalnes <aage@cs.uit.no> *     Copyright (c) 1998, Dag Brattli *     All Rights Reserved. *       *     This code is taken from the Vortex Operating System written by Aage *     Kvalnes and has been ported to Linux and Linux/IR by Dag Brattli * *     This program is free software; you can redistribute it and/or  *     modify it under the terms of the GNU General Public License as  *     published by the Free Software Foundation; either version 2 of  *     the License, or (at your option) any later version. *   *     Neither Dag Brattli nor University of Tromsø admit liability nor *     provide warranty for any of this software. This material is  *     provided "AS-IS" and at no charge. *      ********************************************************************/ #include <linux/types.h>#include <linux/spinlock.h> #ifndef IRDA_QUEUE_H#define IRDA_QUEUE_H #define NAME_SIZE      32 /* * Hash types (some flags can be xored) * See comments in irqueue.c for which one to use... */#define HB_NOLOCK	0	/* No concurent access prevention */#define HB_LOCK		1	/* Prevent concurent write with global lock */ /* * Hash defines */#define HASHBIN_SIZE   8#define HASHBIN_MASK   0x7 #ifndef IRDA_ALIGN #define IRDA_ALIGN __attribute__((aligned))#endif #define Q_NULL { NULL, NULL, "", 0 } typedef void (*FREE_FUNC)(void *arg); struct irda_queue {	struct irda_queue *q_next;	struct irda_queue *q_prev; 	char   q_name[NAME_SIZE];	long   q_hash;			/* Must be able to cast a (void *) */};typedef struct irda_queue irda_queue_t; typedef struct hashbin_t {	__u32      magic;	int        hb_type;	int        hb_size;	spinlock_t hb_spinlock;		/* HB_LOCK - Can be used by the user */ 	irda_queue_t* hb_queue[HASHBIN_SIZE] IRDA_ALIGN; 	irda_queue_t* hb_current;} hashbin_t; hashbin_t *hashbin_new(int type);int      hashbin_delete(hashbin_t* hashbin, FREE_FUNC func);int      hashbin_clear(hashbin_t* hashbin, FREE_FUNC free_func);void     hashbin_insert(hashbin_t* hashbin, irda_queue_t* entry, long hashv, 			const char* name);void*    hashbin_remove(hashbin_t* hashbin, long hashv, const char* name);void*    hashbin_remove_first(hashbin_t *hashbin);void*	 hashbin_remove_this( hashbin_t* hashbin, irda_queue_t* entry);void*    hashbin_find(hashbin_t* hashbin, long hashv, const char* name);void*    hashbin_lock_find(hashbin_t* hashbin, long hashv, const char* name);void*    hashbin_find_next(hashbin_t* hashbin, long hashv, const char* name,			   void ** pnext);irda_queue_t *hashbin_get_first(hashbin_t *hashbin);irda_queue_t *hashbin_get_next(hashbin_t *hashbin); #define HASHBIN_GET_SIZE(hashbin) hashbin->hb_size #endif