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121e70b69a
Convert the "include" subdirectory to UTF-8. Signed-off-by: John Anthony Kazos Jr. <jakj@j-a-k-j.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/*********************************************************************
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*
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* Filename: irqueue.h
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* Version: 0.3
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* Description: General queue implementation
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* Status: Experimental.
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* Author: Dag Brattli <dagb@cs.uit.no>
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* Created at: Tue Jun 9 13:26:50 1998
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* Modified at: Thu Oct 7 13:25:16 1999
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* Modified by: Dag Brattli <dagb@cs.uit.no>
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*
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* Copyright (C) 1998-1999, Aage Kvalnes <aage@cs.uit.no>
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* Copyright (c) 1998, Dag Brattli
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* All Rights Reserved.
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*
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* This code is taken from the Vortex Operating System written by Aage
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* Kvalnes and has been ported to Linux and Linux/IR by Dag Brattli
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* Neither Dag Brattli nor University of Tromsø admit liability nor
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* provide warranty for any of this software. This material is
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* provided "AS-IS" and at no charge.
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*
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********************************************************************/
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#include <linux/types.h>
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#include <linux/spinlock.h>
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#ifndef IRDA_QUEUE_H
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#define IRDA_QUEUE_H
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#define NAME_SIZE 32
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/*
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* Hash types (some flags can be xored)
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* See comments in irqueue.c for which one to use...
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*/
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#define HB_NOLOCK 0 /* No concurent access prevention */
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#define HB_LOCK 1 /* Prevent concurent write with global lock */
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/*
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* Hash defines
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*/
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#define HASHBIN_SIZE 8
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#define HASHBIN_MASK 0x7
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#ifndef IRDA_ALIGN
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#define IRDA_ALIGN __attribute__((aligned))
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#endif
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#define Q_NULL { NULL, NULL, "", 0 }
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typedef void (*FREE_FUNC)(void *arg);
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struct irda_queue {
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struct irda_queue *q_next;
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struct irda_queue *q_prev;
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char q_name[NAME_SIZE];
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long q_hash; /* Must be able to cast a (void *) */
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};
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typedef struct irda_queue irda_queue_t;
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typedef struct hashbin_t {
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__u32 magic;
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int hb_type;
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int hb_size;
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spinlock_t hb_spinlock; /* HB_LOCK - Can be used by the user */
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irda_queue_t* hb_queue[HASHBIN_SIZE] IRDA_ALIGN;
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irda_queue_t* hb_current;
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} hashbin_t;
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hashbin_t *hashbin_new(int type);
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int hashbin_delete(hashbin_t* hashbin, FREE_FUNC func);
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int hashbin_clear(hashbin_t* hashbin, FREE_FUNC free_func);
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void hashbin_insert(hashbin_t* hashbin, irda_queue_t* entry, long hashv,
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const char* name);
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void* hashbin_remove(hashbin_t* hashbin, long hashv, const char* name);
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void* hashbin_remove_first(hashbin_t *hashbin);
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void* hashbin_remove_this( hashbin_t* hashbin, irda_queue_t* entry);
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void* hashbin_find(hashbin_t* hashbin, long hashv, const char* name);
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void* hashbin_lock_find(hashbin_t* hashbin, long hashv, const char* name);
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void* hashbin_find_next(hashbin_t* hashbin, long hashv, const char* name,
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void ** pnext);
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irda_queue_t *hashbin_get_first(hashbin_t *hashbin);
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irda_queue_t *hashbin_get_next(hashbin_t *hashbin);
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#define HASHBIN_GET_SIZE(hashbin) hashbin->hb_size
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#endif
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