Release 4.7 include/net/irda/irqueue.h

/*********************************************************************
 *                
 * 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
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
pre-git
pre-git
239
80.74%
6
54.55%
jean tourrilhes
jean tourrilhes
48
16.22%
2
18.18%
stephen hemminger
stephen hemminger
5
1.69%
1
9.09%
anders gustafsson
anders gustafsson
3
1.01%
1
9.09%
john anthony kazos jr
john anthony kazos jr
1
0.34%
1
9.09%
Total
296
100.00%
11
100.00%
  
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