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core, lib, modules: restructured source code tree

- new folder src/ to hold the source code for main project applications
- main.c is in src/
- all core files are subfolder are in src/core/
- modules are in src/modules/
- libs are in src/lib/
- application Makefiles are in src/
- application binary is built in src/ (src/kamailio)

Daniel-Constantin Mierla authored on 07/12/2016 11:03:51
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-/*
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- * Copyright (c) 1991, 1993
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- *	The Regents of the University of California.  All rights reserved.
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- *
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- * Redistribution and use in source and binary forms, with or without
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- * modification, are permitted provided that the following conditions
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- * are met:
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- * 1. Redistributions of source code must retain the above copyright
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- *    notice, this list of conditions and the following disclaimer.
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- * 2. Redistributions in binary form must reproduce the above copyright
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- *    notice, this list of conditions and the following disclaimer in the
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- *    documentation and/or other materials provided with the distribution.
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- * 4. Neither the name of the University nor the names of its contributors
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- *    may be used to endorse or promote products derived from this software
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- *    without specific prior written permission.
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- *
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- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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- * SUCH DAMAGE.
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- *
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- *	@(#)queue.h	8.5 (Berkeley) 8/20/94
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- * $FreeBSD: /repoman/r/ncvs/src/sys/sys/queue.h,v 1.68 2006/10/24 11:20:29 ru Exp $
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- */
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-
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-#ifndef _SER_LIST_H
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-#define	_SER_LIST_H
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-
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-/* #include <sys/cdefs.h> - not needed and not present on all the systems */
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-
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-/*
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- * This file defines four types of data structures: singly-linked lists,
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- * singly-linked tail queues, lists and tail queues.
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- *
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- * A singly-linked list is headed by a single forward pointer. The elements
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- * are singly linked for minimum space and pointer manipulation overhead at
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- * the expense of O(n) removal for arbitrary elements. New elements can be
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- * added to the list after an existing element or at the head of the list.
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- * Elements being removed from the head of the list should use the explicit
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- * macro for this purpose for optimum efficiency. A singly-linked list may
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- * only be traversed in the forward direction.  Singly-linked lists are ideal
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- * for applications with large datasets and few or no removals or for
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- * implementing a LIFO queue.
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- *
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- * A singly-linked tail queue is headed by a pair of pointers, one to the
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- * head of the list and the other to the tail of the list. The elements are
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- * singly linked for minimum space and pointer manipulation overhead at the
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- * expense of O(n) removal for arbitrary elements. New elements can be added
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- * to the list after an existing element, at the head of the list, or at the
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- * end of the list. Elements being removed from the head of the tail queue
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- * should use the explicit macro for this purpose for optimum efficiency.
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- * A singly-linked tail queue may only be traversed in the forward direction.
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- * Singly-linked tail queues are ideal for applications with large datasets
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- * and few or no removals or for implementing a FIFO queue.
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- *
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- * A list is headed by a single forward pointer (or an array of forward
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- * pointers for a hash table header). The elements are doubly linked
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- * so that an arbitrary element can be removed without a need to
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- * traverse the list. New elements can be added to the list before
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- * or after an existing element or at the head of the list. A list
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- * may only be traversed in the forward direction.
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- *
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- * A tail queue is headed by a pair of pointers, one to the head of the
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- * list and the other to the tail of the list. The elements are doubly
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- * linked so that an arbitrary element can be removed without a need to
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- * traverse the list. New elements can be added to the list before or
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- * after an existing element, at the head of the list, or at the end of
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- * the list. A tail queue may be traversed in either direction.
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- *
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- * For details on the use of these macros, see the queue(3) manual page.
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- *
79
- *
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- *				SLIST	LIST	STAILQ	TAILQ
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- * _HEAD			+	+	+	+
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- * _HEAD_INITIALIZER		+	+	+	+
83
- * _ENTRY			+	+	+	+
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- * _INIT			+	+	+	+
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- * _EMPTY			+	+	+	+
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- * _FIRST			+	+	+	+
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- * _NEXT			+	+	+	+
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- * _PREV			-	-	-	+
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- * _LAST			-	-	+	+
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- * _FOREACH			+	+	+	+
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- * _FOREACH_SAFE		+	+	+	+
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- * _FOREACH_REVERSE		-	-	-	+
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- * _FOREACH_REVERSE_SAFE	-	-	-	+
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- * _INSERT_HEAD			+	+	+	+
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- * _INSERT_BEFORE		-	+	-	+
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- * _INSERT_AFTER		+	+	+	+
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- * _INSERT_TAIL			-	-	+	+
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- * _CONCAT			-	-	+	+
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- * _REMOVE_HEAD			+	-	+	-
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- * _REMOVE			+	+	+	+
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- *
102
- */
103
-#ifdef QUEUE_MACRO_DEBUG
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-/* Store the last 2 places the queue element or head was altered */
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-struct qm_trace {
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-	char * lastfile;
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-	int lastline;
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-	char * prevfile;
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-	int prevline;
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-};
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-
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-#define	TRACEBUF	struct qm_trace trace;
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-#define	TRASHIT(x)	do {(x) = (void *)-1;} while (0)
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-
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-#define	QMD_TRACE_HEAD(head) do {					\
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-	(head)->trace.prevline = (head)->trace.lastline;		\
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-	(head)->trace.prevfile = (head)->trace.lastfile;		\
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-	(head)->trace.lastline = __LINE__;				\
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-	(head)->trace.lastfile = __FILE__;				\
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-} while (0)
121
-
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-#define	QMD_TRACE_ELEM(elem) do {					\
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-	(elem)->trace.prevline = (elem)->trace.lastline;		\
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-	(elem)->trace.prevfile = (elem)->trace.lastfile;		\
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-	(elem)->trace.lastline = __LINE__;				\
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-	(elem)->trace.lastfile = __FILE__;				\
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-} while (0)
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-
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-#else
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-#define	QMD_TRACE_ELEM(elem)
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-#define	QMD_TRACE_HEAD(head)
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-#define	TRACEBUF
133
-#define	TRASHIT(x)
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-#endif	/* QUEUE_MACRO_DEBUG */
135
-
136
-/*
137
- * Singly-linked List declarations.
138
- */
139
-#define	SLIST_HEAD(name, type)						\
140
-struct name {								\
141
-	struct type *slh_first;	/* first element */			\
142
-}
143
-
144
-#define	SLIST_HEAD_INITIALIZER(head)					\
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-	{ NULL }
146
-
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-#define	SLIST_ENTRY(type)						\
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-struct {								\
149
-	struct type *sle_next;	/* next element */			\
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-}
151
-
152
-/*
153
- * Singly-linked List functions.
154
- */
155
-#define	SLIST_EMPTY(head)	((head)->slh_first == NULL)
156
-
157
-#define	SLIST_FIRST(head)	((head)->slh_first)
158
-
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-#define	SLIST_FOREACH(var, head, field)					\
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-	for ((var) = SLIST_FIRST((head));				\
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-	    (var);							\
162
-	    (var) = SLIST_NEXT((var), field))
163
-
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-#define	SLIST_FOREACH_SAFE(var, head, field, tvar)			\
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-	for ((var) = SLIST_FIRST((head));				\
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-	    (var) && ((tvar) = SLIST_NEXT((var), field), 1);		\
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-	    (var) = (tvar))
168
-
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-#define	SLIST_FOREACH_PREVPTR(var, varp, head, field)			\
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-	for ((varp) = &SLIST_FIRST((head));				\
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-	    ((var) = *(varp)) != NULL;					\
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-	    (varp) = &SLIST_NEXT((var), field))
173
-
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-#define	SLIST_INIT(head) do {						\
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-	SLIST_FIRST((head)) = NULL;					\
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-} while (0)
177
-
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-#define	SLIST_INSERT_AFTER(slistelm, elm, field) do {			\
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-	SLIST_NEXT((elm), field) = SLIST_NEXT((slistelm), field);	\
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-	SLIST_NEXT((slistelm), field) = (elm);				\
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-} while (0)
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-
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-#define	SLIST_INSERT_HEAD(head, elm, field) do {			\
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-	SLIST_NEXT((elm), field) = SLIST_FIRST((head));			\
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-	SLIST_FIRST((head)) = (elm);					\
186
-} while (0)
187
-
188
-#define	SLIST_NEXT(elm, field)	((elm)->field.sle_next)
189
-
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-#define	SLIST_REMOVE(head, elm, type, field) do {			\
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-	if (SLIST_FIRST((head)) == (elm)) {				\
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-		SLIST_REMOVE_HEAD((head), field);			\
193
-	}								\
194
-	else {								\
195
-		struct type *curelm = SLIST_FIRST((head));		\
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-		while (SLIST_NEXT(curelm, field) != (elm))		\
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-			curelm = SLIST_NEXT(curelm, field);		\
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-		SLIST_NEXT(curelm, field) =				\
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-		    SLIST_NEXT(SLIST_NEXT(curelm, field), field);	\
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-	}								\
201
-	TRASHIT((elm)->field.sle_next);					\
202
-} while (0)
203
-
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-#define	SLIST_REMOVE_HEAD(head, field) do {				\
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-	SLIST_FIRST((head)) = SLIST_NEXT(SLIST_FIRST((head)), field);	\
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-} while (0)
207
-
208
-/*
209
- * Singly-linked Tail queue declarations.
210
- */
211
-#define	STAILQ_HEAD(name, type)						\
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-struct name {								\
213
-	struct type *stqh_first;/* first element */			\
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-	struct type **stqh_last;/* addr of last next element */		\
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-}
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-
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-#define	STAILQ_HEAD_INITIALIZER(head)					\
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-	{ NULL, &(head).stqh_first }
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-
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-#define	STAILQ_ENTRY(type)						\
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-struct {								\
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-	struct type *stqe_next;	/* next element */			\
223
-}
224
-
225
-/*
226
- * Singly-linked Tail queue functions.
227
- */
228
-#define	STAILQ_CONCAT(head1, head2) do {				\
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-	if (!STAILQ_EMPTY((head2))) {					\
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-		*(head1)->stqh_last = (head2)->stqh_first;		\
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-		(head1)->stqh_last = (head2)->stqh_last;		\
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-		STAILQ_INIT((head2));					\
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-	}								\
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-} while (0)
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-
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-#define	STAILQ_EMPTY(head)	((head)->stqh_first == NULL)
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-
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-#define	STAILQ_FIRST(head)	((head)->stqh_first)
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-
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-#define	STAILQ_FOREACH(var, head, field)				\
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-	for((var) = STAILQ_FIRST((head));				\
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-	   (var);							\
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-	   (var) = STAILQ_NEXT((var), field))
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-
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-
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-#define	STAILQ_FOREACH_SAFE(var, head, field, tvar)			\
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-	for ((var) = STAILQ_FIRST((head));				\
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-	    (var) && ((tvar) = STAILQ_NEXT((var), field), 1);		\
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-	    (var) = (tvar))
250
-
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-#define	STAILQ_INIT(head) do {						\
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-	STAILQ_FIRST((head)) = NULL;					\
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-	(head)->stqh_last = &STAILQ_FIRST((head));			\
254
-} while (0)
255
-
256
-#define	STAILQ_INSERT_AFTER(head, tqelm, elm, field) do {		\
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-	if ((STAILQ_NEXT((elm), field) = STAILQ_NEXT((tqelm), field)) == NULL)\
258
-		(head)->stqh_last = &STAILQ_NEXT((elm), field);		\
259
-	STAILQ_NEXT((tqelm), field) = (elm);				\
260
-} while (0)
261
-
262
-#define	STAILQ_INSERT_HEAD(head, elm, field) do {			\
263
-	if ((STAILQ_NEXT((elm), field) = STAILQ_FIRST((head))) == NULL)	\
264
-		(head)->stqh_last = &STAILQ_NEXT((elm), field);		\
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-	STAILQ_FIRST((head)) = (elm);					\
266
-} while (0)
267
-
268
-#define	STAILQ_INSERT_TAIL(head, elm, field) do {			\
269
-	STAILQ_NEXT((elm), field) = NULL;				\
270
-	*(head)->stqh_last = (elm);					\
271
-	(head)->stqh_last = &STAILQ_NEXT((elm), field);			\
272
-} while (0)
273
-
274
-#define	STAILQ_LAST(head, type, field)					\
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-	(STAILQ_EMPTY((head)) ?						\
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-		NULL :							\
277
-	        ((struct type *)(void *)				\
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-		((char *)((head)->stqh_last) - __offsetof(struct type, field))))
279
-
280
-#define	STAILQ_NEXT(elm, field)	((elm)->field.stqe_next)
281
-
282
-#define	STAILQ_REMOVE(head, elm, type, field) do {			\
283
-	if (STAILQ_FIRST((head)) == (elm)) {				\
284
-		STAILQ_REMOVE_HEAD((head), field);			\
285
-	}								\
286
-	else {								\
287
-		struct type *curelm = STAILQ_FIRST((head));		\
288
-		while (STAILQ_NEXT(curelm, field) != (elm))		\
289
-			curelm = STAILQ_NEXT(curelm, field);		\
290
-		if ((STAILQ_NEXT(curelm, field) =			\
291
-		     STAILQ_NEXT(STAILQ_NEXT(curelm, field), field)) == NULL)\
292
-			(head)->stqh_last = &STAILQ_NEXT((curelm), field);\
293
-	}								\
294
-	TRASHIT((elm)->field.stqe_next);				\
295
-} while (0)
296
-
297
-#define	STAILQ_REMOVE_HEAD(head, field) do {				\
298
-	if ((STAILQ_FIRST((head)) =					\
299
-	     STAILQ_NEXT(STAILQ_FIRST((head)), field)) == NULL)		\
300
-		(head)->stqh_last = &STAILQ_FIRST((head));		\
301
-} while (0)
302
-
303
-/*
304
- * List declarations.
305
- */
306
-#define	LIST_HEAD(name, type)						\
307
-struct name {								\
308
-	struct type *lh_first;	/* first element */			\
309
-}
310
-
311
-#define	LIST_HEAD_INITIALIZER(head)					\
312
-	{ NULL }
313
-
314
-#define	LIST_ENTRY(type)						\
315
-struct {								\
316
-	struct type *le_next;	/* next element */			\
317
-	struct type **le_prev;	/* address of previous next element */	\
318
-}
319
-
320
-/*
321
- * List functions.
322
- */
323
-
324
-#define	LIST_EMPTY(head)	((head)->lh_first == NULL)
325
-
326
-#define	LIST_FIRST(head)	((head)->lh_first)
327
-
328
-#define	LIST_FOREACH(var, head, field)					\
329
-	for ((var) = LIST_FIRST((head));				\
330
-	    (var);							\
331
-	    (var) = LIST_NEXT((var), field))
332
-
333
-#define	LIST_FOREACH_SAFE(var, head, field, tvar)			\
334
-	for ((var) = LIST_FIRST((head));				\
335
-	    (var) && ((tvar) = LIST_NEXT((var), field), 1);		\
336
-	    (var) = (tvar))
337
-
338
-#define	LIST_INIT(head) do {						\
339
-	LIST_FIRST((head)) = NULL;					\
340
-} while (0)
341
-
342
-#define	LIST_INSERT_AFTER(listelm, elm, field) do {			\
343
-	QMD_LIST_CHECK_NEXT(listelm, field);				\
344
-	if ((LIST_NEXT((elm), field) = LIST_NEXT((listelm), field)) != NULL)\
345
-		LIST_NEXT((listelm), field)->field.le_prev =		\
346
-		    &LIST_NEXT((elm), field);				\
347
-	LIST_NEXT((listelm), field) = (elm);				\
348
-	(elm)->field.le_prev = &LIST_NEXT((listelm), field);		\
349
-} while (0)
350
-
351
-#define	LIST_INSERT_BEFORE(listelm, elm, field) do {			\
352
-	QMD_LIST_CHECK_PREV(listelm, field);				\
353
-	(elm)->field.le_prev = (listelm)->field.le_prev;		\
354
-	LIST_NEXT((elm), field) = (listelm);				\
355
-	*(listelm)->field.le_prev = (elm);				\
356
-	(listelm)->field.le_prev = &LIST_NEXT((elm), field);		\
357
-} while (0)
358
-
359
-#define	LIST_INSERT_HEAD(head, elm, field) do {				\
360
-	QMD_LIST_CHECK_HEAD((head), field);				\
361
-	if ((LIST_NEXT((elm), field) = LIST_FIRST((head))) != NULL)	\
362
-		LIST_FIRST((head))->field.le_prev = &LIST_NEXT((elm), field);\
363
-	LIST_FIRST((head)) = (elm);					\
364
-	(elm)->field.le_prev = &LIST_FIRST((head));			\
365
-} while (0)
366
-
367
-#define	LIST_NEXT(elm, field)	((elm)->field.le_next)
368
-
369
-#define	LIST_REMOVE(elm, field) do {					\
370
-	QMD_LIST_CHECK_NEXT(elm, field);				\
371
-	QMD_LIST_CHECK_PREV(elm, field);				\
372
-	if (LIST_NEXT((elm), field) != NULL)				\
373
-		LIST_NEXT((elm), field)->field.le_prev = 		\
374
-		    (elm)->field.le_prev;				\
375
-	*(elm)->field.le_prev = LIST_NEXT((elm), field);		\
376
-	TRASHIT((elm)->field.le_next);					\
377
-	TRASHIT((elm)->field.le_prev);					\
378
-} while (0)
379
-
380
-/*
381
- * Tail queue declarations.
382
- */
383
-#define	TAILQ_HEAD(name, type)						\
384
-struct name {								\
385
-	struct type *tqh_first;	/* first element */			\
386
-	struct type **tqh_last;	/* addr of last next element */		\
387
-	TRACEBUF							\
388
-}
389
-
390
-#define	TAILQ_HEAD_INITIALIZER(head)					\
391
-	{ NULL, &(head).tqh_first }
392
-
393
-#define	TAILQ_ENTRY(type)						\
394
-struct {								\
395
-	struct type *tqe_next;	/* next element */			\
396
-	struct type **tqe_prev;	/* address of previous next element */	\
397
-	TRACEBUF							\
398
-}
399
-
400
-/*
401
- * Tail queue functions.
402
- */
403
-
404
-#define	TAILQ_CONCAT(head1, head2, field) do {				\
405
-	if (!TAILQ_EMPTY(head2)) {					\
406
-		*(head1)->tqh_last = (head2)->tqh_first;		\
407
-		(head2)->tqh_first->field.tqe_prev = (head1)->tqh_last;	\
408
-		(head1)->tqh_last = (head2)->tqh_last;			\
409
-		TAILQ_INIT((head2));					\
410
-		QMD_TRACE_HEAD(head1);					\
411
-		QMD_TRACE_HEAD(head2);					\
412
-	}								\
413
-} while (0)
414
-
415
-#define	TAILQ_EMPTY(head)	((head)->tqh_first == NULL)
416
-
417
-#define	TAILQ_FIRST(head)	((head)->tqh_first)
418
-
419
-#define	TAILQ_FOREACH(var, head, field)					\
420
-	for ((var) = TAILQ_FIRST((head));				\
421
-	    (var);							\
422
-	    (var) = TAILQ_NEXT((var), field))
423
-
424
-#define	TAILQ_FOREACH_SAFE(var, head, field, tvar)			\
425
-	for ((var) = TAILQ_FIRST((head));				\
426
-	    (var) && ((tvar) = TAILQ_NEXT((var), field), 1);		\
427
-	    (var) = (tvar))
428
-
429
-#define	TAILQ_FOREACH_REVERSE(var, head, headname, field)		\
430
-	for ((var) = TAILQ_LAST((head), headname);			\
431
-	    (var);							\
432
-	    (var) = TAILQ_PREV((var), headname, field))
433
-
434
-#define	TAILQ_FOREACH_REVERSE_SAFE(var, head, headname, field, tvar)	\
435
-	for ((var) = TAILQ_LAST((head), headname);			\
436
-	    (var) && ((tvar) = TAILQ_PREV((var), headname, field), 1);	\
437
-	    (var) = (tvar))
438
-
439
-#define	TAILQ_INIT(head) do {						\
440
-	TAILQ_FIRST((head)) = NULL;					\
441
-	(head)->tqh_last = &TAILQ_FIRST((head));			\
442
-	QMD_TRACE_HEAD(head);						\
443
-} while (0)
444
-
445
-#define	TAILQ_INSERT_AFTER(head, listelm, elm, field) do {		\
446
-	QMD_TAILQ_CHECK_NEXT(listelm, field);				\
447
-	if ((TAILQ_NEXT((elm), field) = TAILQ_NEXT((listelm), field)) != NULL)\
448
-		TAILQ_NEXT((elm), field)->field.tqe_prev = 		\
449
-		    &TAILQ_NEXT((elm), field);				\
450
-	else {								\
451
-		(head)->tqh_last = &TAILQ_NEXT((elm), field);		\
452
-		QMD_TRACE_HEAD(head);					\
453
-	}								\
454
-	TAILQ_NEXT((listelm), field) = (elm);				\
455
-	(elm)->field.tqe_prev = &TAILQ_NEXT((listelm), field);		\
456
-	QMD_TRACE_ELEM(&(elm)->field);					\
457
-	QMD_TRACE_ELEM(&listelm->field);				\
458
-} while (0)
459
-
460
-#define	TAILQ_INSERT_BEFORE(listelm, elm, field) do {			\
461
-	QMD_TAILQ_CHECK_PREV(listelm, field);				\
462
-	(elm)->field.tqe_prev = (listelm)->field.tqe_prev;		\
463
-	TAILQ_NEXT((elm), field) = (listelm);				\
464
-	*(listelm)->field.tqe_prev = (elm);				\
465
-	(listelm)->field.tqe_prev = &TAILQ_NEXT((elm), field);		\
466
-	QMD_TRACE_ELEM(&(elm)->field);					\
467
-	QMD_TRACE_ELEM(&listelm->field);				\
468
-} while (0)
469
-
470
-#define	TAILQ_INSERT_HEAD(head, elm, field) do {			\
471
-	QMD_TAILQ_CHECK_HEAD(head, field);				\
472
-	if ((TAILQ_NEXT((elm), field) = TAILQ_FIRST((head))) != NULL)	\
473
-		TAILQ_FIRST((head))->field.tqe_prev =			\
474
-		    &TAILQ_NEXT((elm), field);				\
475
-	else								\
476
-		(head)->tqh_last = &TAILQ_NEXT((elm), field);		\
477
-	TAILQ_FIRST((head)) = (elm);					\
478
-	(elm)->field.tqe_prev = &TAILQ_FIRST((head));			\
479
-	QMD_TRACE_HEAD(head);						\
480
-	QMD_TRACE_ELEM(&(elm)->field);					\
481
-} while (0)
482
-
483
-#define	TAILQ_INSERT_TAIL(head, elm, field) do {			\
484
-	QMD_TAILQ_CHECK_TAIL(head, field);				\
485
-	TAILQ_NEXT((elm), field) = NULL;				\
486
-	(elm)->field.tqe_prev = (head)->tqh_last;			\
487
-	*(head)->tqh_last = (elm);					\
488
-	(head)->tqh_last = &TAILQ_NEXT((elm), field);			\
489
-	QMD_TRACE_HEAD(head);						\
490
-	QMD_TRACE_ELEM(&(elm)->field);					\
491
-} while (0)
492
-
493
-#define	TAILQ_LAST(head, headname)					\
494
-	(*(((struct headname *)((head)->tqh_last))->tqh_last))
495
-
496
-#define	TAILQ_NEXT(elm, field) ((elm)->field.tqe_next)
497
-
498
-#define	TAILQ_PREV(elm, headname, field)				\
499
-	(*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
500
-
501
-#define	TAILQ_REMOVE(head, elm, field) do {				\
502
-	QMD_TAILQ_CHECK_NEXT(elm, field);				\
503
-	QMD_TAILQ_CHECK_PREV(elm, field);				\
504
-	if ((TAILQ_NEXT((elm), field)) != NULL)				\
505
-		TAILQ_NEXT((elm), field)->field.tqe_prev = 		\
506
-		    (elm)->field.tqe_prev;				\
507
-	else {								\
508
-		(head)->tqh_last = (elm)->field.tqe_prev;		\
509
-		QMD_TRACE_HEAD(head);					\
510
-	}								\
511
-	*(elm)->field.tqe_prev = TAILQ_NEXT((elm), field);		\
512
-	TRASHIT((elm)->field.tqe_next);					\
513
-	TRASHIT((elm)->field.tqe_prev);					\
514
-	QMD_TRACE_ELEM(&(elm)->field);					\
515
-} while (0)
516
-
517
-#endif /* !_LIST_H */
Browse code

Core Update of doxygen, removal of history, changing "ser" to "kamailio"

Olle E. Johansson authored on 03/01/2015 14:03:24
Showing 1 changed files
... ...
@@ -1,4 +1,4 @@
1
-/*-
1
+/*
2 2
  * Copyright (c) 1991, 1993
3 3
  *	The Regents of the University of California.  All rights reserved.
4 4
  *
Browse code

- removed sys/cdefs.h include : not used and not present on all systems (e.g. solaris)

Andrei Pelinescu-Onciul authored on 08/05/2007 08:25:05
Showing 1 changed files
... ...
@@ -33,7 +33,7 @@
33 33
 #ifndef _SER_LIST_H
34 34
 #define	_SER_LIST_H
35 35
 
36
-#include <sys/cdefs.h>
36
+/* #include <sys/cdefs.h> - not needed and not present on all the systems */
37 37
 
38 38
 /*
39 39
  * This file defines four types of data structures: singly-linked lists,
Browse code

- _LIST_H changed to _SER_LIST_H to avoid conflicts with headers from the STL library

Jan Janak authored on 18/04/2007 12:34:31
Showing 1 changed files
... ...
@@ -30,8 +30,8 @@
30 30
  * $FreeBSD: /repoman/r/ncvs/src/sys/sys/queue.h,v 1.68 2006/10/24 11:20:29 ru Exp $
31 31
  */
32 32
 
33
-#ifndef _LIST_H
34
-#define	_LIST_H
33
+#ifndef _SER_LIST_H
34
+#define	_SER_LIST_H
35 35
 
36 36
 #include <sys/cdefs.h>
37 37
 
Browse code

- FreeBSD macros that implement linked lists

Jan Janak authored on 29/03/2007 10:00:26
Showing 1 changed files
1 1
new file mode 100644
... ...
@@ -0,0 +1,517 @@
1
+/*-
2
+ * Copyright (c) 1991, 1993
3
+ *	The Regents of the University of California.  All rights reserved.
4
+ *
5
+ * Redistribution and use in source and binary forms, with or without
6
+ * modification, are permitted provided that the following conditions
7
+ * are met:
8
+ * 1. Redistributions of source code must retain the above copyright
9
+ *    notice, this list of conditions and the following disclaimer.
10
+ * 2. Redistributions in binary form must reproduce the above copyright
11
+ *    notice, this list of conditions and the following disclaimer in the
12
+ *    documentation and/or other materials provided with the distribution.
13
+ * 4. Neither the name of the University nor the names of its contributors
14
+ *    may be used to endorse or promote products derived from this software
15
+ *    without specific prior written permission.
16
+ *
17
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27
+ * SUCH DAMAGE.
28
+ *
29
+ *	@(#)queue.h	8.5 (Berkeley) 8/20/94
30
+ * $FreeBSD: /repoman/r/ncvs/src/sys/sys/queue.h,v 1.68 2006/10/24 11:20:29 ru Exp $
31
+ */
32
+
33
+#ifndef _LIST_H
34
+#define	_LIST_H
35
+
36
+#include <sys/cdefs.h>
37
+
38
+/*
39
+ * This file defines four types of data structures: singly-linked lists,
40
+ * singly-linked tail queues, lists and tail queues.
41
+ *
42
+ * A singly-linked list is headed by a single forward pointer. The elements
43
+ * are singly linked for minimum space and pointer manipulation overhead at
44
+ * the expense of O(n) removal for arbitrary elements. New elements can be
45
+ * added to the list after an existing element or at the head of the list.
46
+ * Elements being removed from the head of the list should use the explicit
47
+ * macro for this purpose for optimum efficiency. A singly-linked list may
48
+ * only be traversed in the forward direction.  Singly-linked lists are ideal
49
+ * for applications with large datasets and few or no removals or for
50
+ * implementing a LIFO queue.
51
+ *
52
+ * A singly-linked tail queue is headed by a pair of pointers, one to the
53
+ * head of the list and the other to the tail of the list. The elements are
54
+ * singly linked for minimum space and pointer manipulation overhead at the
55
+ * expense of O(n) removal for arbitrary elements. New elements can be added
56
+ * to the list after an existing element, at the head of the list, or at the
57
+ * end of the list. Elements being removed from the head of the tail queue
58
+ * should use the explicit macro for this purpose for optimum efficiency.
59
+ * A singly-linked tail queue may only be traversed in the forward direction.
60
+ * Singly-linked tail queues are ideal for applications with large datasets
61
+ * and few or no removals or for implementing a FIFO queue.
62
+ *
63
+ * A list is headed by a single forward pointer (or an array of forward
64
+ * pointers for a hash table header). The elements are doubly linked
65
+ * so that an arbitrary element can be removed without a need to
66
+ * traverse the list. New elements can be added to the list before
67
+ * or after an existing element or at the head of the list. A list
68
+ * may only be traversed in the forward direction.
69
+ *
70
+ * A tail queue is headed by a pair of pointers, one to the head of the
71
+ * list and the other to the tail of the list. The elements are doubly
72
+ * linked so that an arbitrary element can be removed without a need to
73
+ * traverse the list. New elements can be added to the list before or
74
+ * after an existing element, at the head of the list, or at the end of
75
+ * the list. A tail queue may be traversed in either direction.
76
+ *
77
+ * For details on the use of these macros, see the queue(3) manual page.
78
+ *
79
+ *
80
+ *				SLIST	LIST	STAILQ	TAILQ
81
+ * _HEAD			+	+	+	+
82
+ * _HEAD_INITIALIZER		+	+	+	+
83
+ * _ENTRY			+	+	+	+
84
+ * _INIT			+	+	+	+
85
+ * _EMPTY			+	+	+	+
86
+ * _FIRST			+	+	+	+
87
+ * _NEXT			+	+	+	+
88
+ * _PREV			-	-	-	+
89
+ * _LAST			-	-	+	+
90
+ * _FOREACH			+	+	+	+
91
+ * _FOREACH_SAFE		+	+	+	+
92
+ * _FOREACH_REVERSE		-	-	-	+
93
+ * _FOREACH_REVERSE_SAFE	-	-	-	+
94
+ * _INSERT_HEAD			+	+	+	+
95
+ * _INSERT_BEFORE		-	+	-	+
96
+ * _INSERT_AFTER		+	+	+	+
97
+ * _INSERT_TAIL			-	-	+	+
98
+ * _CONCAT			-	-	+	+
99
+ * _REMOVE_HEAD			+	-	+	-
100
+ * _REMOVE			+	+	+	+
101
+ *
102
+ */
103
+#ifdef QUEUE_MACRO_DEBUG
104
+/* Store the last 2 places the queue element or head was altered */
105
+struct qm_trace {
106
+	char * lastfile;
107
+	int lastline;
108
+	char * prevfile;
109
+	int prevline;
110
+};
111
+
112
+#define	TRACEBUF	struct qm_trace trace;
113
+#define	TRASHIT(x)	do {(x) = (void *)-1;} while (0)
114
+
115
+#define	QMD_TRACE_HEAD(head) do {					\
116
+	(head)->trace.prevline = (head)->trace.lastline;		\
117
+	(head)->trace.prevfile = (head)->trace.lastfile;		\
118
+	(head)->trace.lastline = __LINE__;				\
119
+	(head)->trace.lastfile = __FILE__;				\
120
+} while (0)
121
+
122
+#define	QMD_TRACE_ELEM(elem) do {					\
123
+	(elem)->trace.prevline = (elem)->trace.lastline;		\
124
+	(elem)->trace.prevfile = (elem)->trace.lastfile;		\
125
+	(elem)->trace.lastline = __LINE__;				\
126
+	(elem)->trace.lastfile = __FILE__;				\
127
+} while (0)
128
+
129
+#else
130
+#define	QMD_TRACE_ELEM(elem)
131
+#define	QMD_TRACE_HEAD(head)
132
+#define	TRACEBUF
133
+#define	TRASHIT(x)
134
+#endif	/* QUEUE_MACRO_DEBUG */
135
+
136
+/*
137
+ * Singly-linked List declarations.
138
+ */
139
+#define	SLIST_HEAD(name, type)						\
140
+struct name {								\
141
+	struct type *slh_first;	/* first element */			\
142
+}
143
+
144
+#define	SLIST_HEAD_INITIALIZER(head)					\
145
+	{ NULL }
146
+
147
+#define	SLIST_ENTRY(type)						\
148
+struct {								\
149
+	struct type *sle_next;	/* next element */			\
150
+}
151
+
152
+/*
153
+ * Singly-linked List functions.
154
+ */
155
+#define	SLIST_EMPTY(head)	((head)->slh_first == NULL)
156
+
157
+#define	SLIST_FIRST(head)	((head)->slh_first)
158
+
159
+#define	SLIST_FOREACH(var, head, field)					\
160
+	for ((var) = SLIST_FIRST((head));				\
161
+	    (var);							\
162
+	    (var) = SLIST_NEXT((var), field))
163
+
164
+#define	SLIST_FOREACH_SAFE(var, head, field, tvar)			\
165
+	for ((var) = SLIST_FIRST((head));				\
166
+	    (var) && ((tvar) = SLIST_NEXT((var), field), 1);		\
167
+	    (var) = (tvar))
168
+
169
+#define	SLIST_FOREACH_PREVPTR(var, varp, head, field)			\
170
+	for ((varp) = &SLIST_FIRST((head));				\
171
+	    ((var) = *(varp)) != NULL;					\
172
+	    (varp) = &SLIST_NEXT((var), field))
173
+
174
+#define	SLIST_INIT(head) do {						\
175
+	SLIST_FIRST((head)) = NULL;					\
176
+} while (0)
177
+
178
+#define	SLIST_INSERT_AFTER(slistelm, elm, field) do {			\
179
+	SLIST_NEXT((elm), field) = SLIST_NEXT((slistelm), field);	\
180
+	SLIST_NEXT((slistelm), field) = (elm);				\
181
+} while (0)
182
+
183
+#define	SLIST_INSERT_HEAD(head, elm, field) do {			\
184
+	SLIST_NEXT((elm), field) = SLIST_FIRST((head));			\
185
+	SLIST_FIRST((head)) = (elm);					\
186
+} while (0)
187
+
188
+#define	SLIST_NEXT(elm, field)	((elm)->field.sle_next)
189
+
190
+#define	SLIST_REMOVE(head, elm, type, field) do {			\
191
+	if (SLIST_FIRST((head)) == (elm)) {				\
192
+		SLIST_REMOVE_HEAD((head), field);			\
193
+	}								\
194
+	else {								\
195
+		struct type *curelm = SLIST_FIRST((head));		\
196
+		while (SLIST_NEXT(curelm, field) != (elm))		\
197
+			curelm = SLIST_NEXT(curelm, field);		\
198
+		SLIST_NEXT(curelm, field) =				\
199
+		    SLIST_NEXT(SLIST_NEXT(curelm, field), field);	\
200
+	}								\
201
+	TRASHIT((elm)->field.sle_next);					\
202
+} while (0)
203
+
204
+#define	SLIST_REMOVE_HEAD(head, field) do {				\
205
+	SLIST_FIRST((head)) = SLIST_NEXT(SLIST_FIRST((head)), field);	\
206
+} while (0)
207
+
208
+/*
209
+ * Singly-linked Tail queue declarations.
210
+ */
211
+#define	STAILQ_HEAD(name, type)						\
212
+struct name {								\
213
+	struct type *stqh_first;/* first element */			\
214
+	struct type **stqh_last;/* addr of last next element */		\
215
+}
216
+
217
+#define	STAILQ_HEAD_INITIALIZER(head)					\
218
+	{ NULL, &(head).stqh_first }
219
+
220
+#define	STAILQ_ENTRY(type)						\
221
+struct {								\
222
+	struct type *stqe_next;	/* next element */			\
223
+}
224
+
225
+/*
226
+ * Singly-linked Tail queue functions.
227
+ */
228
+#define	STAILQ_CONCAT(head1, head2) do {				\
229
+	if (!STAILQ_EMPTY((head2))) {					\
230
+		*(head1)->stqh_last = (head2)->stqh_first;		\
231
+		(head1)->stqh_last = (head2)->stqh_last;		\
232
+		STAILQ_INIT((head2));					\
233
+	}								\
234
+} while (0)
235
+
236
+#define	STAILQ_EMPTY(head)	((head)->stqh_first == NULL)
237
+
238
+#define	STAILQ_FIRST(head)	((head)->stqh_first)
239
+
240
+#define	STAILQ_FOREACH(var, head, field)				\
241
+	for((var) = STAILQ_FIRST((head));				\
242
+	   (var);							\
243
+	   (var) = STAILQ_NEXT((var), field))
244
+
245
+
246
+#define	STAILQ_FOREACH_SAFE(var, head, field, tvar)			\
247
+	for ((var) = STAILQ_FIRST((head));				\
248
+	    (var) && ((tvar) = STAILQ_NEXT((var), field), 1);		\
249
+	    (var) = (tvar))
250
+
251
+#define	STAILQ_INIT(head) do {						\
252
+	STAILQ_FIRST((head)) = NULL;					\
253
+	(head)->stqh_last = &STAILQ_FIRST((head));			\
254
+} while (0)
255
+
256
+#define	STAILQ_INSERT_AFTER(head, tqelm, elm, field) do {		\
257
+	if ((STAILQ_NEXT((elm), field) = STAILQ_NEXT((tqelm), field)) == NULL)\
258
+		(head)->stqh_last = &STAILQ_NEXT((elm), field);		\
259
+	STAILQ_NEXT((tqelm), field) = (elm);				\
260
+} while (0)
261
+
262
+#define	STAILQ_INSERT_HEAD(head, elm, field) do {			\
263
+	if ((STAILQ_NEXT((elm), field) = STAILQ_FIRST((head))) == NULL)	\
264
+		(head)->stqh_last = &STAILQ_NEXT((elm), field);		\
265
+	STAILQ_FIRST((head)) = (elm);					\
266
+} while (0)
267
+
268
+#define	STAILQ_INSERT_TAIL(head, elm, field) do {			\
269
+	STAILQ_NEXT((elm), field) = NULL;				\
270
+	*(head)->stqh_last = (elm);					\
271
+	(head)->stqh_last = &STAILQ_NEXT((elm), field);			\
272
+} while (0)
273
+
274
+#define	STAILQ_LAST(head, type, field)					\
275
+	(STAILQ_EMPTY((head)) ?						\
276
+		NULL :							\
277
+	        ((struct type *)(void *)				\
278
+		((char *)((head)->stqh_last) - __offsetof(struct type, field))))
279
+
280
+#define	STAILQ_NEXT(elm, field)	((elm)->field.stqe_next)
281
+
282
+#define	STAILQ_REMOVE(head, elm, type, field) do {			\
283
+	if (STAILQ_FIRST((head)) == (elm)) {				\
284
+		STAILQ_REMOVE_HEAD((head), field);			\
285
+	}								\
286
+	else {								\
287
+		struct type *curelm = STAILQ_FIRST((head));		\
288
+		while (STAILQ_NEXT(curelm, field) != (elm))		\
289
+			curelm = STAILQ_NEXT(curelm, field);		\
290
+		if ((STAILQ_NEXT(curelm, field) =			\
291
+		     STAILQ_NEXT(STAILQ_NEXT(curelm, field), field)) == NULL)\
292
+			(head)->stqh_last = &STAILQ_NEXT((curelm), field);\
293
+	}								\
294
+	TRASHIT((elm)->field.stqe_next);				\
295
+} while (0)
296
+
297
+#define	STAILQ_REMOVE_HEAD(head, field) do {				\
298
+	if ((STAILQ_FIRST((head)) =					\
299
+	     STAILQ_NEXT(STAILQ_FIRST((head)), field)) == NULL)		\
300
+		(head)->stqh_last = &STAILQ_FIRST((head));		\
301
+} while (0)
302
+
303
+/*
304
+ * List declarations.
305
+ */
306
+#define	LIST_HEAD(name, type)						\
307
+struct name {								\
308
+	struct type *lh_first;	/* first element */			\
309
+}
310
+
311
+#define	LIST_HEAD_INITIALIZER(head)					\
312
+	{ NULL }
313
+
314
+#define	LIST_ENTRY(type)						\
315
+struct {								\
316
+	struct type *le_next;	/* next element */			\
317
+	struct type **le_prev;	/* address of previous next element */	\
318
+}
319
+
320
+/*
321
+ * List functions.
322
+ */
323
+
324
+#define	LIST_EMPTY(head)	((head)->lh_first == NULL)
325
+
326
+#define	LIST_FIRST(head)	((head)->lh_first)
327
+
328
+#define	LIST_FOREACH(var, head, field)					\
329
+	for ((var) = LIST_FIRST((head));				\
330
+	    (var);							\
331
+	    (var) = LIST_NEXT((var), field))
332
+
333
+#define	LIST_FOREACH_SAFE(var, head, field, tvar)			\
334
+	for ((var) = LIST_FIRST((head));				\
335
+	    (var) && ((tvar) = LIST_NEXT((var), field), 1);		\
336
+	    (var) = (tvar))
337
+
338
+#define	LIST_INIT(head) do {						\
339
+	LIST_FIRST((head)) = NULL;					\
340
+} while (0)
341
+
342
+#define	LIST_INSERT_AFTER(listelm, elm, field) do {			\
343
+	QMD_LIST_CHECK_NEXT(listelm, field);				\
344
+	if ((LIST_NEXT((elm), field) = LIST_NEXT((listelm), field)) != NULL)\
345
+		LIST_NEXT((listelm), field)->field.le_prev =		\
346
+		    &LIST_NEXT((elm), field);				\
347
+	LIST_NEXT((listelm), field) = (elm);				\
348
+	(elm)->field.le_prev = &LIST_NEXT((listelm), field);		\
349
+} while (0)
350
+
351
+#define	LIST_INSERT_BEFORE(listelm, elm, field) do {			\