|
@@ -1,571 +0,0 @@
|
|
|
-/*
|
|
|
- * Copyright (c) 1991, 1993
|
|
|
- * The Regents of the University of California. All rights reserved.
|
|
|
- *
|
|
|
- * Redistribution and use in source and binary forms, with or without
|
|
|
- * modification, are permitted provided that the following conditions
|
|
|
- * are met:
|
|
|
- * 1. Redistributions of source code must retain the above copyright
|
|
|
- * notice, this list of conditions and the following disclaimer.
|
|
|
- * 2. Redistributions in binary form must reproduce the above copyright
|
|
|
- * notice, this list of conditions and the following disclaimer in the
|
|
|
- * documentation and/or other materials provided with the distribution.
|
|
|
- * 4. Neither the name of the University nor the names of its contributors
|
|
|
- * may be used to endorse or promote products derived from this software
|
|
|
- * without specific prior written permission.
|
|
|
- *
|
|
|
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
|
|
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
|
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
|
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
|
|
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
|
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
|
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
|
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
|
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
|
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
|
- * SUCH DAMAGE.
|
|
|
- *
|
|
|
- * @(#)queue.h 8.5 (Berkeley) 8/20/94
|
|
|
- * $FreeBSD: src/sys/sys/queue.h,v 1.58 2004/04/07 04:19:49 imp Exp $
|
|
|
- */
|
|
|
-
|
|
|
-#if !defined(__NetBSD__)
|
|
|
-#ifndef _SYS_QUEUE_H_
|
|
|
-#define _SYS_QUEUE_H_
|
|
|
-
|
|
|
-/*
|
|
|
- * This file defines four types of data structures: singly-linked lists,
|
|
|
- * singly-linked tail queues, lists and tail queues.
|
|
|
- *
|
|
|
- * A singly-linked list is headed by a single forward pointer. The elements
|
|
|
- * are singly linked for minimum space and pointer manipulation overhead at
|
|
|
- * the expense of O(n) removal for arbitrary elements. New elements can be
|
|
|
- * added to the list after an existing element or at the head of the list.
|
|
|
- * Elements being removed from the head of the list should use the explicit
|
|
|
- * macro for this purpose for optimum efficiency. A singly-linked list may
|
|
|
- * only be traversed in the forward direction. Singly-linked lists are ideal
|
|
|
- * for applications with large datasets and few or no removals or for
|
|
|
- * implementing a LIFO queue.
|
|
|
- *
|
|
|
- * A singly-linked tail queue is headed by a pair of pointers, one to the
|
|
|
- * head of the list and the other to the tail of the list. The elements are
|
|
|
- * singly linked for minimum space and pointer manipulation overhead at the
|
|
|
- * expense of O(n) removal for arbitrary elements. New elements can be added
|
|
|
- * to the list after an existing element, at the head of the list, or at the
|
|
|
- * end of the list. Elements being removed from the head of the tail queue
|
|
|
- * should use the explicit macro for this purpose for optimum efficiency.
|
|
|
- * A singly-linked tail queue may only be traversed in the forward direction.
|
|
|
- * Singly-linked tail queues are ideal for applications with large datasets
|
|
|
- * and few or no removals or for implementing a FIFO queue.
|
|
|
- *
|
|
|
- * A list is headed by a single forward pointer (or an array of forward
|
|
|
- * pointers for a hash table header). The elements are doubly linked
|
|
|
- * so that an arbitrary element can be removed without a need to
|
|
|
- * traverse the list. New elements can be added to the list before
|
|
|
- * or after an existing element or at the head of the list. A list
|
|
|
- * may only be traversed in the forward direction.
|
|
|
- *
|
|
|
- * A tail queue is headed by a pair of pointers, one to the head of the
|
|
|
- * list and the other to the tail of the list. The elements are doubly
|
|
|
- * linked so that an arbitrary element can be removed without a need to
|
|
|
- * traverse the list. New elements can be added to the list before or
|
|
|
- * after an existing element, at the head of the list, or at the end of
|
|
|
- * the list. A tail queue may be traversed in either direction.
|
|
|
- *
|
|
|
- * For details on the use of these macros, see the queue(3) manual page.
|
|
|
- *
|
|
|
- *
|
|
|
- * SLIST LIST STAILQ TAILQ
|
|
|
- * _HEAD + + + +
|
|
|
- * _HEAD_INITIALIZER + + + +
|
|
|
- * _ENTRY + + + +
|
|
|
- * _INIT + + + +
|
|
|
- * _EMPTY + + + +
|
|
|
- * _FIRST + + + +
|
|
|
- * _NEXT + + + +
|
|
|
- * _PREV - - - +
|
|
|
- * _LAST - - + +
|
|
|
- * _FOREACH + + + +
|
|
|
- * _FOREACH_SAFE + + + +
|
|
|
- * _FOREACH_REVERSE - - - +
|
|
|
- * _FOREACH_REVERSE_SAFE - - - +
|
|
|
- * _INSERT_HEAD + + + +
|
|
|
- * _INSERT_BEFORE - + - +
|
|
|
- * _INSERT_AFTER + + + +
|
|
|
- * _INSERT_TAIL - - + +
|
|
|
- * _CONCAT - - + +
|
|
|
- * _REMOVE_HEAD + - + -
|
|
|
- * _REMOVE + + + +
|
|
|
- *
|
|
|
- */
|
|
|
-#define QUEUE_MACRO_DEBUG 0
|
|
|
-#if QUEUE_MACRO_DEBUG
|
|
|
-/* Store the last 2 places the queue element or head was altered */
|
|
|
-struct qm_trace {
|
|
|
- char *lastfile;
|
|
|
- int lastline;
|
|
|
- char *prevfile;
|
|
|
- int prevline;
|
|
|
-};
|
|
|
-
|
|
|
-#define TRACEBUF struct qm_trace trace;
|
|
|
-#define TRASHIT(x) do {(x) = (void *)NULL; } while (0)
|
|
|
-
|
|
|
-#define QMD_TRACE_HEAD(head) do { \
|
|
|
- (head)->trace.prevline = (head)->trace.lastline; \
|
|
|
- (head)->trace.prevfile = (head)->trace.lastfile; \
|
|
|
- (head)->trace.lastline = __LINE__; \
|
|
|
- (head)->trace.lastfile = __FILE__; \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define QMD_TRACE_ELEM(elem) do { \
|
|
|
- (elem)->trace.prevline = (elem)->trace.lastline; \
|
|
|
- (elem)->trace.prevfile = (elem)->trace.lastfile; \
|
|
|
- (elem)->trace.lastline = __LINE__; \
|
|
|
- (elem)->trace.lastfile = __FILE__; \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#else
|
|
|
-#define QMD_TRACE_ELEM(elem)
|
|
|
-#define QMD_TRACE_HEAD(head)
|
|
|
-#define TRACEBUF
|
|
|
-#define TRASHIT(x) do {(x) = (void *)0; } while (0)
|
|
|
-#endif /* QUEUE_MACRO_DEBUG */
|
|
|
-
|
|
|
-#ifdef ATHR_RNWF
|
|
|
-/* NDIS contains a defn for SLIST_ENTRY and SINGLE_LIST_ENTRY */
|
|
|
-#endif
|
|
|
-
|
|
|
-/*
|
|
|
- * Singly-linked List declarations.
|
|
|
- */
|
|
|
-#define SLIST_HEAD(name, type) \
|
|
|
- struct name { \
|
|
|
- struct type *slh_first; /* first element */ \
|
|
|
- }
|
|
|
-
|
|
|
-#define SLIST_HEAD_INITIALIZER(head) \
|
|
|
- { NULL }
|
|
|
-
|
|
|
-#define SING_LIST_ENTRY(type) \
|
|
|
- struct { \
|
|
|
- struct type *sle_next; /* next element */ \
|
|
|
- }
|
|
|
-
|
|
|
-/*
|
|
|
- * Singly-linked List functions.
|
|
|
- */
|
|
|
-#define SLIST_EMPTY(head) ((head)->slh_first == NULL)
|
|
|
-
|
|
|
-#define SLIST_FIRST(head) ((head)->slh_first)
|
|
|
-
|
|
|
-#define SLIST_FOREACH(var, head, field) \
|
|
|
- for ((var) = SLIST_FIRST((head)); \
|
|
|
- (var); \
|
|
|
- (var) = SLIST_NEXT((var), field))
|
|
|
-
|
|
|
-#define SLIST_FOREACH_SAFE(var, head, field, tvar) \
|
|
|
- for ((var) = SLIST_FIRST((head)); \
|
|
|
- (var) && ((tvar) = SLIST_NEXT((var), field), 1); \
|
|
|
- (var) = (tvar))
|
|
|
-
|
|
|
-#define SLIST_FOREACH_PREVPTR(var, varp, head, field) \
|
|
|
- for ((varp) = &SLIST_FIRST((head)); \
|
|
|
- ((var) = *(varp)) != NULL; \
|
|
|
- (varp) = &SLIST_NEXT((var), field))
|
|
|
-
|
|
|
-#define SLIST_INIT(head) do { \
|
|
|
- SLIST_FIRST((head)) = NULL; \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define SLIST_INSERT_AFTER(slistelm, elm, field) do { \
|
|
|
- SLIST_NEXT((elm), field) = SLIST_NEXT((slistelm), field); \
|
|
|
- SLIST_NEXT((slistelm), field) = (elm); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define SLIST_INSERT_HEAD(head, elm, field) do { \
|
|
|
- SLIST_NEXT((elm), field) = SLIST_FIRST((head)); \
|
|
|
- SLIST_FIRST((head)) = (elm); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define SLIST_NEXT(elm, field) ((elm)->field.sle_next)
|
|
|
-
|
|
|
-#define SLIST_REMOVE(head, elm, type, field) do { \
|
|
|
- if (SLIST_FIRST((head)) == (elm)) { \
|
|
|
- SLIST_REMOVE_HEAD((head), field); \
|
|
|
- } \
|
|
|
- else { \
|
|
|
- struct type *curelm = SLIST_FIRST((head)); \
|
|
|
- while (SLIST_NEXT(curelm, field) != (elm)) \
|
|
|
- curelm = SLIST_NEXT(curelm, field); \
|
|
|
- SLIST_NEXT(curelm, field) = \
|
|
|
- SLIST_NEXT(SLIST_NEXT(curelm, field), field); \
|
|
|
- } \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define SLIST_REMOVE_HEAD(head, field) do { \
|
|
|
- SLIST_FIRST((head)) = SLIST_NEXT(SLIST_FIRST((head)), field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-/*
|
|
|
- * Singly-linked Tail queue declarations.
|
|
|
- */
|
|
|
-#define STAILQ_HEAD(name, type) \
|
|
|
- struct name { \
|
|
|
- struct type *stqh_first; /* first element */ \
|
|
|
- struct type **stqh_last; /* addr of last next element */ \
|
|
|
- }
|
|
|
-
|
|
|
-#define STAILQ_HEAD_INITIALIZER(head) \
|
|
|
- { NULL, &(head).stqh_first }
|
|
|
-
|
|
|
-#define STAILQ_ENTRY(type) \
|
|
|
- struct { \
|
|
|
- struct type *stqe_next; /* next element */ \
|
|
|
- }
|
|
|
-
|
|
|
-/*
|
|
|
- * Singly-linked Tail queue functions.
|
|
|
- */
|
|
|
-#define STAILQ_CONCAT(head1, head2) do { \
|
|
|
- if (!STAILQ_EMPTY((head2))) { \
|
|
|
- *(head1)->stqh_last = (head2)->stqh_first; \
|
|
|
- (head1)->stqh_last = (head2)->stqh_last; \
|
|
|
- STAILQ_INIT((head2)); \
|
|
|
- } \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_EMPTY(head) ((head)->stqh_first == NULL)
|
|
|
-
|
|
|
-#define STAILQ_FIRST(head) ((head)->stqh_first)
|
|
|
-
|
|
|
-#define STAILQ_FOREACH(var, head, field) \
|
|
|
- for((var) = STAILQ_FIRST((head)); \
|
|
|
- (var); \
|
|
|
- (var) = STAILQ_NEXT((var), field))
|
|
|
-
|
|
|
-#define STAILQ_FOREACH_SAFE(var, head, field, tvar) \
|
|
|
- for ((var) = STAILQ_FIRST((head)); \
|
|
|
- (var) && ((tvar) = STAILQ_NEXT((var), field), 1); \
|
|
|
- (var) = (tvar))
|
|
|
-
|
|
|
-#define STAILQ_INIT(head) do { \
|
|
|
- STAILQ_FIRST((head)) = NULL; \
|
|
|
- (head)->stqh_last = &STAILQ_FIRST((head)); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_INSERT_AFTER(head, tqelm, elm, field) do { \
|
|
|
- if ((STAILQ_NEXT((elm), field) = STAILQ_NEXT((tqelm), field)) == NULL) \
|
|
|
- (head)->stqh_last = &STAILQ_NEXT((elm), field); \
|
|
|
- STAILQ_NEXT((tqelm), field) = (elm); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_INSERT_HEAD(head, elm, field) do { \
|
|
|
- if ((STAILQ_NEXT((elm), field) = STAILQ_FIRST((head))) == NULL) \
|
|
|
- (head)->stqh_last = &STAILQ_NEXT((elm), field); \
|
|
|
- STAILQ_FIRST((head)) = (elm); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_INSERT_TAIL(head, elm, field) do { \
|
|
|
- STAILQ_NEXT((elm), field) = NULL; \
|
|
|
- *(head)->stqh_last = (elm); \
|
|
|
- (head)->stqh_last = &STAILQ_NEXT((elm), field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_LAST(head, type, field) \
|
|
|
- (STAILQ_EMPTY((head)) ? \
|
|
|
- NULL : \
|
|
|
- ((struct type *) \
|
|
|
- ((char *)((head)->stqh_last) - __offsetof(struct type, field))))
|
|
|
-
|
|
|
-#define STAILQ_NEXT(elm, field) ((elm)->field.stqe_next)
|
|
|
-
|
|
|
-#define STAILQ_REMOVE(head, elm, type, field) do { \
|
|
|
- if (STAILQ_FIRST((head)) == (elm)) { \
|
|
|
- STAILQ_REMOVE_HEAD((head), field); \
|
|
|
- } \
|
|
|
- else { \
|
|
|
- struct type *curelm = STAILQ_FIRST((head)); \
|
|
|
- while (STAILQ_NEXT(curelm, field) != (elm)) \
|
|
|
- curelm = STAILQ_NEXT(curelm, field); \
|
|
|
- if ((STAILQ_NEXT(curelm, field) = \
|
|
|
- STAILQ_NEXT(STAILQ_NEXT(curelm, field), field)) == NULL) \
|
|
|
- (head)->stqh_last = &STAILQ_NEXT((curelm), field); \
|
|
|
- } \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_REMOVE_AFTER(head, elm, field) do { \
|
|
|
- if (STAILQ_NEXT(elm, field)) { \
|
|
|
- if ((STAILQ_NEXT(elm, field) = \
|
|
|
- STAILQ_NEXT(STAILQ_NEXT(elm, field), field)) == NULL) \
|
|
|
- (head)->stqh_last = &STAILQ_NEXT((elm), field); \
|
|
|
- } \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_REMOVE_HEAD(head, field) do { \
|
|
|
- if ((STAILQ_FIRST((head)) = \
|
|
|
- STAILQ_NEXT(STAILQ_FIRST((head)), field)) == NULL) \
|
|
|
- (head)->stqh_last = &STAILQ_FIRST((head)); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define STAILQ_REMOVE_HEAD_UNTIL(head, elm, field) do { \
|
|
|
- if ((STAILQ_FIRST((head)) = STAILQ_NEXT((elm), field)) == NULL) \
|
|
|
- (head)->stqh_last = &STAILQ_FIRST((head)); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-/*
|
|
|
- * List declarations.
|
|
|
- */
|
|
|
-#define ATH_LIST_HEAD(name, type) \
|
|
|
- struct name { \
|
|
|
- struct type *lh_first; /* first element */ \
|
|
|
- }
|
|
|
-
|
|
|
-#ifndef LIST_HEAD
|
|
|
-#define LIST_HEAD ATH_LIST_HEAD
|
|
|
-#endif
|
|
|
-
|
|
|
-#define LIST_HEAD_INITIALIZER(head) \
|
|
|
- { NULL }
|
|
|
-
|
|
|
-#define LIST_ENTRY(type) \
|
|
|
- struct { \
|
|
|
- struct type *le_next; /* next element */ \
|
|
|
- struct type **le_prev; /* address of previous next element */ \
|
|
|
- }
|
|
|
-
|
|
|
-/*
|
|
|
- * List functions.
|
|
|
- */
|
|
|
-
|
|
|
-#define LIST_EMPTY(head) ((head)->lh_first == NULL)
|
|
|
-
|
|
|
-#define LIST_FIRST(head) ((head)->lh_first)
|
|
|
-
|
|
|
-#define LIST_FOREACH(var, head, field) \
|
|
|
- for ((var) = LIST_FIRST((head)); \
|
|
|
- (var); \
|
|
|
- (var) = LIST_NEXT((var), field))
|
|
|
-
|
|
|
-#define LIST_FOREACH_SAFE(var, head, field, tvar) \
|
|
|
- for ((var) = LIST_FIRST((head)); \
|
|
|
- (var) && ((tvar) = LIST_NEXT((var), field), 1); \
|
|
|
- (var) = (tvar))
|
|
|
-
|
|
|
-#define LIST_INIT(head) do { \
|
|
|
- LIST_FIRST((head)) = NULL; \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define LIST_INSERT_AFTER(listelm, elm, field) do { \
|
|
|
- if ((LIST_NEXT((elm), field) = LIST_NEXT((listelm), field)) != NULL) \
|
|
|
- LIST_NEXT((listelm), field)->field.le_prev = \
|
|
|
- &LIST_NEXT((elm), field); \
|
|
|
- LIST_NEXT((listelm), field) = (elm); \
|
|
|
- (elm)->field.le_prev = &LIST_NEXT((listelm), field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define LIST_INSERT_BEFORE(listelm, elm, field) do { \
|
|
|
- (elm)->field.le_prev = (listelm)->field.le_prev; \
|
|
|
- LIST_NEXT((elm), field) = (listelm); \
|
|
|
- *(listelm)->field.le_prev = (elm); \
|
|
|
- (listelm)->field.le_prev = &LIST_NEXT((elm), field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define LIST_INSERT_HEAD(head, elm, field) do { \
|
|
|
- if ((LIST_NEXT((elm), field) = LIST_FIRST((head))) != NULL) \
|
|
|
- LIST_FIRST((head))->field.le_prev = &LIST_NEXT((elm), field); \
|
|
|
- LIST_FIRST((head)) = (elm); \
|
|
|
- (elm)->field.le_prev = &LIST_FIRST((head)); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define LIST_NEXT(elm, field) ((elm)->field.le_next)
|
|
|
-
|
|
|
-#define LIST_REMOVE(elm, field) do { \
|
|
|
- if (LIST_NEXT((elm), field) != NULL) \
|
|
|
- LIST_NEXT((elm), field)->field.le_prev = \
|
|
|
- (elm)->field.le_prev; \
|
|
|
- *(elm)->field.le_prev = LIST_NEXT((elm), field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-/*
|
|
|
- * Tail queue declarations.
|
|
|
- */
|
|
|
-#define HEADNAME
|
|
|
-#define COPY_HEADNAME(head)
|
|
|
-
|
|
|
-#define TAILQ_HEAD(name, type) \
|
|
|
- struct name { \
|
|
|
- struct type *tqh_first; /* first element */ \
|
|
|
- struct type **tqh_last; /* addr of last next element */ \
|
|
|
- HEADNAME \
|
|
|
- TRACEBUF \
|
|
|
- }
|
|
|
-
|
|
|
-#define TAILQ_HEAD_INITIALIZER(head) \
|
|
|
- { NULL, &(head).tqh_first }
|
|
|
-
|
|
|
-#define TAILQ_ENTRY(type) \
|
|
|
- struct { \
|
|
|
- struct type *tqe_next; /* next element */ \
|
|
|
- struct type **tqe_prev; /* address of previous next element */ \
|
|
|
- TRACEBUF \
|
|
|
- }
|
|
|
-
|
|
|
-/*
|
|
|
- * Tail queue functions.
|
|
|
- */
|
|
|
-
|
|
|
-#define TAILQ_EMPTY(head) ((head)->tqh_first == NULL)
|
|
|
-
|
|
|
-#define TAILQ_FIRST(head) ((head)->tqh_first)
|
|
|
-
|
|
|
-#define TAILQ_FOREACH(var, head, field) \
|
|
|
- for ((var) = TAILQ_FIRST((head)); \
|
|
|
- (var); \
|
|
|
- (var) = TAILQ_NEXT((var), field))
|
|
|
-
|
|
|
-#define TAILQ_FOREACH_SAFE(var, head, field, tvar) \
|
|
|
- for ((var) = TAILQ_FIRST((head)); \
|
|
|
- (var) && ((tvar) = TAILQ_NEXT((var), field), 1); \
|
|
|
- (var) = (tvar))
|
|
|
-
|
|
|
-#define TAILQ_FOREACH_REVERSE(var, head, headname, field) \
|
|
|
- for ((var) = TAILQ_LAST((head), headname); \
|
|
|
- (var); \
|
|
|
- (var) = TAILQ_PREV((var), headname, field))
|
|
|
-
|
|
|
-#define TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar) \
|
|
|
- for ((var) = TAILQ_LAST((head), headname); \
|
|
|
- (var) && ((tvar) = TAILQ_PREV((var), headname, field), 1); \
|
|
|
- (var) = (tvar))
|
|
|
-
|
|
|
-#define TAILQ_INIT(head) do { \
|
|
|
- TAILQ_FIRST((head)) = NULL; \
|
|
|
- (head)->tqh_last = &TAILQ_FIRST((head)); \
|
|
|
- COPY_HEADNAME(head); \
|
|
|
- QMD_TRACE_HEAD(head); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do { \
|
|
|
- if ((TAILQ_NEXT((elm), field) = TAILQ_NEXT((listelm), field)) != NULL) \
|
|
|
- TAILQ_NEXT((elm), field)->field.tqe_prev = \
|
|
|
- &TAILQ_NEXT((elm), field); \
|
|
|
- else { \
|
|
|
- (head)->tqh_last = &TAILQ_NEXT((elm), field); \
|
|
|
- QMD_TRACE_HEAD(head); \
|
|
|
- } \
|
|
|
- TAILQ_NEXT((listelm), field) = (elm); \
|
|
|
- (elm)->field.tqe_prev = &TAILQ_NEXT((listelm), field); \
|
|
|
- QMD_TRACE_ELEM(&(elm)->field); \
|
|
|
- QMD_TRACE_ELEM(&listelm->field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define TAILQ_INSERT_BEFORE(listelm, elm, field) do { \
|
|
|
- (elm)->field.tqe_prev = (listelm)->field.tqe_prev; \
|
|
|
- TAILQ_NEXT((elm), field) = (listelm); \
|
|
|
- *(listelm)->field.tqe_prev = (elm); \
|
|
|
- (listelm)->field.tqe_prev = &TAILQ_NEXT((elm), field); \
|
|
|
- QMD_TRACE_ELEM(&(elm)->field); \
|
|
|
- QMD_TRACE_ELEM(&listelm->field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define TAILQ_INSERT_HEAD(head, elm, field) do { \
|
|
|
- if ((TAILQ_NEXT((elm), field) = TAILQ_FIRST((head))) != NULL) \
|
|
|
- TAILQ_FIRST((head))->field.tqe_prev = \
|
|
|
- &TAILQ_NEXT((elm), field); \
|
|
|
- else \
|
|
|
- (head)->tqh_last = &TAILQ_NEXT((elm), field); \
|
|
|
- TAILQ_FIRST((head)) = (elm); \
|
|
|
- (elm)->field.tqe_prev = &TAILQ_FIRST((head)); \
|
|
|
- QMD_TRACE_HEAD(head); \
|
|
|
- QMD_TRACE_ELEM(&(elm)->field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define TAILQ_INSERT_TAIL(head, elm, field) do { \
|
|
|
- TAILQ_NEXT((elm), field) = NULL; \
|
|
|
- (elm)->field.tqe_prev = (head)->tqh_last; \
|
|
|
- *(head)->tqh_last = (elm); \
|
|
|
- (head)->tqh_last = &TAILQ_NEXT((elm), field); \
|
|
|
- QMD_TRACE_HEAD(head); \
|
|
|
- QMD_TRACE_ELEM(&(elm)->field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define TAILQ_LAST(head, headname) \
|
|
|
- (*(((struct headname *)((head)->tqh_last))->tqh_last))
|
|
|
-
|
|
|
-#define TAILQ_NEXT(elm, field) ((elm)->field.tqe_next)
|
|
|
-
|
|
|
-#define TAILQ_PREV(elm, headname, field) \
|
|
|
- (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
|
|
|
-
|
|
|
-#define TAILQ_REMOVE(head, elm, field) do { \
|
|
|
- if ((TAILQ_NEXT((elm), field)) != NULL) \
|
|
|
- TAILQ_NEXT((elm), field)->field.tqe_prev = \
|
|
|
- (elm)->field.tqe_prev; \
|
|
|
- else { \
|
|
|
- (head)->tqh_last = (elm)->field.tqe_prev; \
|
|
|
- QMD_TRACE_HEAD(head); \
|
|
|
- } \
|
|
|
- *(elm)->field.tqe_prev = TAILQ_NEXT((elm), field); \
|
|
|
- TRASHIT((elm)->field.tqe_next); \
|
|
|
- TRASHIT((elm)->field.tqe_prev); \
|
|
|
- QMD_TRACE_ELEM(&(elm)->field); \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#define TAILQ_CONCAT(head1, head2, field) do { \
|
|
|
- if (!TAILQ_EMPTY(head2)) { \
|
|
|
- *(head1)->tqh_last = (head2)->tqh_first; \
|
|
|
- (head2)->tqh_first->field.tqe_prev = (head1)->tqh_last; \
|
|
|
- (head1)->tqh_last = (head2)->tqh_last; \
|
|
|
- TAILQ_INIT((head2)); \
|
|
|
- } \
|
|
|
-} while (0)
|
|
|
-
|
|
|
-#ifdef _KERNEL
|
|
|
-
|
|
|
-/*
|
|
|
- * XXX insque() and remque() are an old way of handling certain queues.
|
|
|
- * They bogusly assumes that all queue heads look alike.
|
|
|
- */
|
|
|
-
|
|
|
-struct quehead {
|
|
|
- struct quehead *qh_link;
|
|
|
- struct quehead *qh_rlink;
|
|
|
-};
|
|
|
-
|
|
|
-#if defined(__GNUC__) || defined(__INTEL_COMPILER)
|
|
|
-
|
|
|
-static __inline void insque(void *a, void *b)
|
|
|
-{
|
|
|
- struct quehead *element = (struct quehead *)a,
|
|
|
- *head = (struct quehead *)b;
|
|
|
-
|
|
|
- element->qh_link = head->qh_link;
|
|
|
- element->qh_rlink = head;
|
|
|
- head->qh_link = element;
|
|
|
- element->qh_link->qh_rlink = element;
|
|
|
-}
|
|
|
-
|
|
|
-static __inline void remque(void *a)
|
|
|
-{
|
|
|
- struct quehead *element = (struct quehead *)a;
|
|
|
-
|
|
|
- element->qh_link->qh_rlink = element->qh_rlink;
|
|
|
- element->qh_rlink->qh_link = element->qh_link;
|
|
|
- element->qh_rlink = 0;
|
|
|
-}
|
|
|
-
|
|
|
-#else /* !(__GNUC__ || __INTEL_COMPILER) */
|
|
|
-
|
|
|
-void insque(void *a, void *b);
|
|
|
-void remque(void *a);
|
|
|
-
|
|
|
-#endif /* __GNUC__ || __INTEL_COMPILER */
|
|
|
-
|
|
|
-#endif /* _KERNEL */
|
|
|
-
|
|
|
-#endif /* !_SYS_QUEUE_H_ */
|
|
|
-#else /* !__NetBSD__ */
|
|
|
-#include_next <sys/queue.h>
|
|
|
-#endif /* __NetBSD__ */
|