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Posted to commits@commons.apache.org by mt...@apache.org on 2009/10/06 12:07:50 UTC

svn commit: r822186 - in /commons/sandbox/runtime/trunk/src/main/native: configure include/acr.h port/sysqueue.h

Author: mturk
Date: Tue Oct  6 10:07:50 2009
New Revision: 822186

URL: http://svn.apache.org/viewvc?rev=822186&view=rev
Log:
Add sys/queue.h to the port

Added:
    commons/sandbox/runtime/trunk/src/main/native/port/sysqueue.h   (with props)
Modified:
    commons/sandbox/runtime/trunk/src/main/native/configure
    commons/sandbox/runtime/trunk/src/main/native/include/acr.h

Modified: commons/sandbox/runtime/trunk/src/main/native/configure
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/configure?rev=822186&r1=822185&r2=822186&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/configure (original)
+++ commons/sandbox/runtime/trunk/src/main/native/configure Tue Oct  6 10:07:50 2009
@@ -966,6 +966,7 @@
 #define HAVE_SYS_FILE_H       `have_include sys/file`
 #define HAVE_SYS_TYPES_H      `have_include sys/types`
 #define HAVE_SYS_CDEFS_H      `have_include sys/cdefs`
+#define HAVE_SYS_QUEUE_H      `have_include sys/queue`
 #define HAVE_SYS_RESOURCE_H   `have_include sys/resource`
 #define HAVE_SYS_SELECT_H     `have_include sys/select`
 #define HAVE_SYS_SOCKET_H     `have_include sys/socket`

Modified: commons/sandbox/runtime/trunk/src/main/native/include/acr.h
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/include/acr.h?rev=822186&r1=822185&r2=822186&view=diff
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/include/acr.h (original)
+++ commons/sandbox/runtime/trunk/src/main/native/include/acr.h Tue Oct  6 10:07:50 2009
@@ -192,6 +192,12 @@
 #endif
 #endif
 
+#if HAVE_SYS_QUEUE_H
+#include <sys/queue.h>
+#else
+#include "sysqueue.h"
+#endif
+
 /* JNI header */
 #include <jni.h>
 

Added: commons/sandbox/runtime/trunk/src/main/native/port/sysqueue.h
URL: http://svn.apache.org/viewvc/commons/sandbox/runtime/trunk/src/main/native/port/sysqueue.h?rev=822186&view=auto
==============================================================================
--- commons/sandbox/runtime/trunk/src/main/native/port/sysqueue.h (added)
+++ commons/sandbox/runtime/trunk/src/main/native/port/sysqueue.h Tue Oct  6 10:07:50 2009
@@ -0,0 +1,524 @@
+/*
+ * 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.
+ * 3. 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
+ */
+
+#ifndef _SYS_QUEUE_H_
+#define _SYS_QUEUE_H_
+
+/*
+ * This file defines five types of data structures: singly-linked lists,
+ * lists, simple queues, tail queues, and circular 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 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 simple queue is headed by a pair of pointers, one the head of the
+ * list and the other to the tail of the list. The elements are singly
+ * linked to save space, so elements can only be removed from the
+ * head of 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 simple queue 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.
+ *
+ * A circle 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 circle queue may be traversed in either direction, but has a more
+ * complex end of list detection.
+ *
+ * For details on the use of these macros, see the queue(3) manual page.
+ */
+
+#if defined(QUEUE_MACRO_DEBUG)
+#define _Q_INVALIDATE(a) (a) = ((void *)-1)
+#else
+#define _Q_INVALIDATE(a)
+#endif
+
+/*
+ * Singly-linked List definitions.
+ */
+#define SLIST_HEAD(name, type)                                              \
+struct name {                                                               \
+    struct type *slh_first; /* first element */                             \
+}
+
+#define SLIST_HEAD_INITIALIZER(head)                                        \
+    { NULL }
+
+#define SLIST_ENTRY(type)                                                   \
+struct {                                                                    \
+    struct type *sle_next;  /* next element */                              \
+}
+
+/*
+ * Singly-linked List access methods.
+ */
+#define SLIST_FIRST(head)   ((head)->slh_first)
+#define SLIST_END(head)     NULL
+#define SLIST_EMPTY(head)   (SLIST_FIRST(head) == SLIST_END(head))
+#define SLIST_NEXT(elm, field)  ((elm)->field.sle_next)
+
+#define SLIST_FOREACH(var, head, field)                                     \
+    for((var) = SLIST_FIRST(head);                                          \
+        (var) != SLIST_END(head);                                           \
+        (var) = SLIST_NEXT(var, field))
+
+#define SLIST_FOREACH_PREVPTR(var, varp, head, field)                       \
+    for ((varp) = &SLIST_FIRST((head));                                     \
+        ((var) = *(varp)) != SLIST_END(head);                               \
+        (varp) = &SLIST_NEXT((var), field))
+
+/*
+ * Singly-linked List functions.
+ */
+#define SLIST_INIT(head) {                                                  \
+    SLIST_FIRST(head) = SLIST_END(head);                                    \
+}
+
+#define SLIST_INSERT_AFTER(slistelm, elm, field) do {                       \
+    (elm)->field.sle_next = (slistelm)->field.sle_next;                     \
+    (slistelm)->field.sle_next = (elm);                                     \
+} while (0)
+
+#define SLIST_INSERT_HEAD(head, elm, field) do {                            \
+    (elm)->field.sle_next = (head)->slh_first;                              \
+    (head)->slh_first = (elm);                                              \
+} while (0)
+
+#define SLIST_REMOVE_NEXT(head, elm, field) do {                            \
+    (elm)->field.sle_next = (elm)->field.sle_next->field.sle_next;          \
+} while (0)
+
+#define SLIST_REMOVE_HEAD(head, field) do {                                 \
+    (head)->slh_first = (head)->slh_first->field.sle_next;                  \
+} while (0)
+
+#define SLIST_REMOVE(head, elm, type, field) do {                           \
+    if ((head)->slh_first == (elm)) {                                       \
+        SLIST_REMOVE_HEAD((head), field);                                   \
+    } else {                                                                \
+        struct type *curelm = (head)->slh_first;                            \
+                                                                            \
+        while (curelm->field.sle_next != (elm))                             \
+            curelm = curelm->field.sle_next;                                \
+        curelm->field.sle_next =                                            \
+            curelm->field.sle_next->field.sle_next;                         \
+        _Q_INVALIDATE((elm)->field.sle_next);                               \
+    }                                                                       \
+} while (0)
+
+/*
+ * List definitions.
+ */
+#define LIST_HEAD(name, type)                                               \
+struct name {                                                               \
+    struct type *lh_first;  /* first element */                             \
+}
+
+#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 access methods
+ */
+#define LIST_FIRST(head)        ((head)->lh_first)
+#define LIST_END(head)          NULL
+#define LIST_EMPTY(head)        (LIST_FIRST(head) == LIST_END(head))
+#define LIST_NEXT(elm, field)       ((elm)->field.le_next)
+
+#define LIST_FOREACH(var, head, field)                                      \
+    for((var) = LIST_FIRST(head);                                           \
+        (var)!= LIST_END(head);                                             \
+        (var) = LIST_NEXT(var, field))
+
+/*
+ * List functions.
+ */
+#define LIST_INIT(head) do {                                                \
+    LIST_FIRST(head) = LIST_END(head);                                      \
+} while (0)
+
+#define LIST_INSERT_AFTER(listelm, elm, field) do {                         \
+    if (((elm)->field.le_next = (listelm)->field.le_next) != NULL)          \
+        (listelm)->field.le_next->field.le_prev =                           \
+            &(elm)->field.le_next;                                          \
+    (listelm)->field.le_next = (elm);                                       \
+    (elm)->field.le_prev = &(listelm)->field.le_next;                       \
+} while (0)
+
+#define LIST_INSERT_BEFORE(listelm, elm, field) do {                        \
+    (elm)->field.le_prev = (listelm)->field.le_prev;                        \
+    (elm)->field.le_next = (listelm);                                       \
+    *(listelm)->field.le_prev = (elm);                                      \
+    (listelm)->field.le_prev = &(elm)->field.le_next;                       \
+} while (0)
+
+#define LIST_INSERT_HEAD(head, elm, field) do {                             \
+    if (((elm)->field.le_next = (head)->lh_first) != NULL)                  \
+        (head)->lh_first->field.le_prev = &(elm)->field.le_next;            \
+    (head)->lh_first = (elm);                                               \
+    (elm)->field.le_prev = &(head)->lh_first;                               \
+} while (0)
+
+#define LIST_REMOVE(elm, field) do {                                        \
+    if ((elm)->field.le_next != NULL)                                       \
+        (elm)->field.le_next->field.le_prev =                               \
+            (elm)->field.le_prev;                                           \
+    *(elm)->field.le_prev = (elm)->field.le_next;                           \
+    _Q_INVALIDATE((elm)->field.le_prev);                                    \
+    _Q_INVALIDATE((elm)->field.le_next);                                    \
+} while (0)
+
+#define LIST_REPLACE(elm, elm2, field) do {                                 \
+    if (((elm2)->field.le_next = (elm)->field.le_next) != NULL)             \
+        (elm2)->field.le_next->field.le_prev =                              \
+            &(elm2)->field.le_next;                                         \
+    (elm2)->field.le_prev = (elm)->field.le_prev;                           \
+    *(elm2)->field.le_prev = (elm2);                                        \
+    _Q_INVALIDATE((elm)->field.le_prev);                                    \
+    _Q_INVALIDATE((elm)->field.le_next);                                    \
+} while (0)
+
+/*
+ * Simple queue definitions.
+ */
+#define SIMPLEQ_HEAD(name, type)                                            \
+struct name {                                                               \
+    struct type *sqh_first; /* first element */                             \
+    struct type **sqh_last; /* addr of last next element */                 \
+}
+
+#define SIMPLEQ_HEAD_INITIALIZER(head)                                      \
+    { NULL, &(head).sqh_first }
+
+#define SIMPLEQ_ENTRY(type)                                                 \
+struct {                                                                    \
+    struct type *sqe_next;  /* next element */                              \
+}
+
+/*
+ * Simple queue access methods.
+ */
+#define SIMPLEQ_FIRST(head)     ((head)->sqh_first)
+#define SIMPLEQ_END(head)       NULL
+#define SIMPLEQ_EMPTY(head)     (SIMPLEQ_FIRST(head) == SIMPLEQ_END(head))
+#define SIMPLEQ_NEXT(elm, field)    ((elm)->field.sqe_next)
+
+#define SIMPLEQ_FOREACH(var, head, field)                                   \
+    for((var) = SIMPLEQ_FIRST(head);                                        \
+        (var) != SIMPLEQ_END(head);                                         \
+        (var) = SIMPLEQ_NEXT(var, field))
+
+/*
+ * Simple queue functions.
+ */
+#define SIMPLEQ_INIT(head) do {                                             \
+    (head)->sqh_first = NULL;                                               \
+    (head)->sqh_last = &(head)->sqh_first;                                  \
+} while (0)
+
+#define SIMPLEQ_INSERT_HEAD(head, elm, field) do {                          \
+    if (((elm)->field.sqe_next = (head)->sqh_first) == NULL)                \
+        (head)->sqh_last = &(elm)->field.sqe_next;                          \
+    (head)->sqh_first = (elm);                                              \
+} while (0)
+
+#define SIMPLEQ_INSERT_TAIL(head, elm, field) do {                          \
+    (elm)->field.sqe_next = NULL;                                           \
+    *(head)->sqh_last = (elm);                                              \
+    (head)->sqh_last = &(elm)->field.sqe_next;                              \
+} while (0)
+
+#define SIMPLEQ_INSERT_AFTER(head, listelm, elm, field) do {                \
+    if (((elm)->field.sqe_next = (listelm)->field.sqe_next) == NULL)        \
+        (head)->sqh_last = &(elm)->field.sqe_next;                          \
+    (listelm)->field.sqe_next = (elm);                                      \
+} while (0)
+
+#define SIMPLEQ_REMOVE_HEAD(head, field) do {                               \
+    if (((head)->sqh_first = (head)->sqh_first->field.sqe_next) == NULL)    \
+        (head)->sqh_last = &(head)->sqh_first;                              \
+} while (0)
+
+/*
+ * Tail queue definitions.
+ */
+#define TAILQ_HEAD(name, type)                                              \
+struct name {                                                               \
+    struct type *tqh_first; /* first element */                             \
+    struct type **tqh_last; /* addr of last next element */                 \
+}
+
+#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 */          \
+}
+
+/*
+ * tail queue access methods
+ */
+#define TAILQ_FIRST(head)       ((head)->tqh_first)
+#define TAILQ_END(head)         NULL
+#define TAILQ_NEXT(elm, field)      ((elm)->field.tqe_next)
+#define TAILQ_LAST(head, headname)                                          \
+    (*(((struct headname *)((head)->tqh_last))->tqh_last))
+/* XXX */
+#define TAILQ_PREV(elm, headname, field)                                    \
+    (*(((struct headname *)((elm)->field.tqe_prev))->tqh_last))
+#define TAILQ_EMPTY(head)                                                   \
+    (TAILQ_FIRST(head) == TAILQ_END(head))
+
+#define TAILQ_FOREACH(var, head, field)                                     \
+    for((var) = TAILQ_FIRST(head);                                          \
+        (var) != TAILQ_END(head);                                           \
+        (var) = TAILQ_NEXT(var, field))
+
+#define TAILQ_FOREACH_REVERSE(var, head, headname, field)                   \
+    for((var) = TAILQ_LAST(head, headname);                                 \
+        (var) != TAILQ_END(head);                                           \
+        (var) = TAILQ_PREV(var, headname, field))
+
+/*
+ * Tail queue functions.
+ */
+#define TAILQ_INIT(head) do {                                               \
+    (head)->tqh_first = NULL;                                               \
+    (head)->tqh_last = &(head)->tqh_first;                                  \
+} while (0)
+
+#define TAILQ_INSERT_HEAD(head, elm, field) do {                            \
+    if (((elm)->field.tqe_next = (head)->tqh_first) != NULL)                \
+        (head)->tqh_first->field.tqe_prev =                                 \
+            &(elm)->field.tqe_next;                                         \
+    else                                                                    \
+        (head)->tqh_last = &(elm)->field.tqe_next;                          \
+    (head)->tqh_first = (elm);                                              \
+    (elm)->field.tqe_prev = &(head)->tqh_first;                             \
+} while (0)
+
+#define TAILQ_INSERT_TAIL(head, elm, field) do {                            \
+    (elm)->field.tqe_next = NULL;                                           \
+    (elm)->field.tqe_prev = (head)->tqh_last;                               \
+    *(head)->tqh_last = (elm);                                              \
+    (head)->tqh_last = &(elm)->field.tqe_next;                              \
+} while (0)
+
+#define TAILQ_INSERT_AFTER(head, listelm, elm, field) do {                  \
+    if (((elm)->field.tqe_next = (listelm)->field.tqe_next) != NULL)        \
+        (elm)->field.tqe_next->field.tqe_prev =                             \
+            &(elm)->field.tqe_next;                                         \
+    else                                                                    \
+        (head)->tqh_last = &(elm)->field.tqe_next;                          \
+    (listelm)->field.tqe_next = (elm);                                      \
+    (elm)->field.tqe_prev = &(listelm)->field.tqe_next;                     \
+} while (0)
+
+#define TAILQ_INSERT_BEFORE(listelm, elm, field) do {                       \
+    (elm)->field.tqe_prev = (listelm)->field.tqe_prev;                      \
+    (elm)->field.tqe_next = (listelm);                                      \
+    *(listelm)->field.tqe_prev = (elm);                                     \
+    (listelm)->field.tqe_prev = &(elm)->field.tqe_next;                     \
+} while (0)
+
+#define TAILQ_REMOVE(head, elm, field) do {                                 \
+    if (((elm)->field.tqe_next) != NULL)                                    \
+        (elm)->field.tqe_next->field.tqe_prev =                             \
+            (elm)->field.tqe_prev;                                          \
+    else                                                                    \
+        (head)->tqh_last = (elm)->field.tqe_prev;                           \
+    *(elm)->field.tqe_prev = (elm)->field.tqe_next;                         \
+    _Q_INVALIDATE((elm)->field.tqe_prev);                                   \
+    _Q_INVALIDATE((elm)->field.tqe_next);                                   \
+} while (0)
+
+#define TAILQ_REPLACE(head, elm, elm2, field) do {                          \
+    if (((elm2)->field.tqe_next = (elm)->field.tqe_next) != NULL)           \
+        (elm2)->field.tqe_next->field.tqe_prev =                            \
+            &(elm2)->field.tqe_next;                                        \
+    else                                                                    \
+        (head)->tqh_last = &(elm2)->field.tqe_next;                         \
+    (elm2)->field.tqe_prev = (elm)->field.tqe_prev;                         \
+    *(elm2)->field.tqe_prev = (elm2);                                       \
+    _Q_INVALIDATE((elm)->field.tqe_prev);                                   \
+    _Q_INVALIDATE((elm)->field.tqe_next);                                   \
+} while (0)
+
+/*
+ * Circular queue definitions.
+ */
+#define CIRCLEQ_HEAD(name, type)                                            \
+struct name {                                                               \
+    struct type *cqh_first;     /* first element */                         \
+    struct type *cqh_last;      /* last element */                          \
+}
+
+#define CIRCLEQ_HEAD_INITIALIZER(head)                                      \
+    { CIRCLEQ_END(&head), CIRCLEQ_END(&head) }
+
+#define CIRCLEQ_ENTRY(type)                                                 \
+struct {                                                                    \
+    struct type *cqe_next;      /* next element */                          \
+    struct type *cqe_prev;      /* previous element */                      \
+}
+
+/*
+ * Circular queue access methods
+ */
+#define CIRCLEQ_FIRST(head)     ((head)->cqh_first)
+#define CIRCLEQ_LAST(head)      ((head)->cqh_last)
+#define CIRCLEQ_END(head)       ((void *)(head))
+#define CIRCLEQ_NEXT(elm, field)    ((elm)->field.cqe_next)
+#define CIRCLEQ_PREV(elm, field)    ((elm)->field.cqe_prev)
+#define CIRCLEQ_EMPTY(head)                                                 \
+    (CIRCLEQ_FIRST(head) == CIRCLEQ_END(head))
+
+#define CIRCLEQ_FOREACH(var, head, field)                                   \
+    for((var) = CIRCLEQ_FIRST(head);                                        \
+        (var) != CIRCLEQ_END(head);                                         \
+        (var) = CIRCLEQ_NEXT(var, field))
+
+#define CIRCLEQ_FOREACH_REVERSE(var, head, field)                           \
+    for((var) = CIRCLEQ_LAST(head);                                         \
+        (var) != CIRCLEQ_END(head);                                         \
+        (var) = CIRCLEQ_PREV(var, field))
+
+/*
+ * Circular queue functions.
+ */
+#define CIRCLEQ_INIT(head) do {                                             \
+    (head)->cqh_first = CIRCLEQ_END(head);                                  \
+    (head)->cqh_last = CIRCLEQ_END(head);                                   \
+} while (0)
+
+#define CIRCLEQ_INSERT_AFTER(head, listelm, elm, field) do {                \
+    (elm)->field.cqe_next = (listelm)->field.cqe_next;                      \
+    (elm)->field.cqe_prev = (listelm);                                      \
+    if ((listelm)->field.cqe_next == CIRCLEQ_END(head))                     \
+        (head)->cqh_last = (elm);                                           \
+    else                                                                    \
+        (listelm)->field.cqe_next->field.cqe_prev = (elm);                  \
+    (listelm)->field.cqe_next = (elm);                                      \
+} while (0)
+
+#define CIRCLEQ_INSERT_BEFORE(head, listelm, elm, field) do {               \
+    (elm)->field.cqe_next = (listelm);                                      \
+    (elm)->field.cqe_prev = (listelm)->field.cqe_prev;                      \
+    if ((listelm)->field.cqe_prev == CIRCLEQ_END(head))                     \
+        (head)->cqh_first = (elm);                                          \
+    else                                                                    \
+        (listelm)->field.cqe_prev->field.cqe_next = (elm);                  \
+    (listelm)->field.cqe_prev = (elm);                                      \
+} while (0)
+
+#define CIRCLEQ_INSERT_HEAD(head, elm, field) do {                          \
+    (elm)->field.cqe_next = (head)->cqh_first;                              \
+    (elm)->field.cqe_prev = CIRCLEQ_END(head);                              \
+    if ((head)->cqh_last == CIRCLEQ_END(head))                              \
+        (head)->cqh_last = (elm);                                           \
+    else                                                                    \
+        (head)->cqh_first->field.cqe_prev = (elm);                          \
+    (head)->cqh_first = (elm);                                              \
+} while (0)
+
+#define CIRCLEQ_INSERT_TAIL(head, elm, field) do {                          \
+    (elm)->field.cqe_next = CIRCLEQ_END(head);                              \
+    (elm)->field.cqe_prev = (head)->cqh_last;                               \
+    if ((head)->cqh_first == CIRCLEQ_END(head))                             \
+        (head)->cqh_first = (elm);                                          \
+    else                                                                    \
+        (head)->cqh_last->field.cqe_next = (elm);                           \
+    (head)->cqh_last = (elm);                                               \
+} while (0)
+
+#define CIRCLEQ_REMOVE(head, elm, field) do {                               \
+    if ((elm)->field.cqe_next == CIRCLEQ_END(head))                         \
+        (head)->cqh_last = (elm)->field.cqe_prev;                           \
+    else                                                                    \
+        (elm)->field.cqe_next->field.cqe_prev =                             \
+            (elm)->field.cqe_prev;                                          \
+    if ((elm)->field.cqe_prev == CIRCLEQ_END(head))                         \
+        (head)->cqh_first = (elm)->field.cqe_next;                          \
+    else                                                                    \
+        (elm)->field.cqe_prev->field.cqe_next =                             \
+            (elm)->field.cqe_next;                                          \
+    _Q_INVALIDATE((elm)->field.cqe_prev);                                   \
+    _Q_INVALIDATE((elm)->field.cqe_next);                                   \
+} while (0)
+
+#define CIRCLEQ_REPLACE(head, elm, elm2, field) do {                        \
+    if (((elm2)->field.cqe_next = (elm)->field.cqe_next) ==                 \
+        CIRCLEQ_END(head))                                                  \
+        (head).cqh_last = (elm2);                                           \
+    else                                                                    \
+        (elm2)->field.cqe_next->field.cqe_prev = (elm2);                    \
+    if (((elm2)->field.cqe_prev = (elm)->field.cqe_prev) ==                 \
+        CIRCLEQ_END(head))                                                  \
+        (head).cqh_first = (elm2);                                          \
+    else                                                                    \
+        (elm2)->field.cqe_prev->field.cqe_next = (elm2);                    \
+    _Q_INVALIDATE((elm)->field.cqe_prev);                                   \
+    _Q_INVALIDATE((elm)->field.cqe_next);                                   \
+} while (0)
+
+#endif  /* !_SYS_QUEUE_H_ */

Propchange: commons/sandbox/runtime/trunk/src/main/native/port/sysqueue.h
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