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Add more queue macros

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@954 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2008-09-25 21:36:20 +00:00
parent 990d63ea82
commit 2fa7da9ed8
1 changed files with 9 additions and 2 deletions
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11
include/queue.h
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@ -1,7 +1,7 @@
/************************************************************************
* queue.h
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -14,7 +14,7 @@
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
@ -48,10 +48,17 @@
#define sq_init(q) do { (q)->head = NULL; (q)->tail = NULL; } while (0)
#define dq_init(q) do { (q)->head = NULL; (q)->tail = NULL; } while (0)
#define sq_next(p) ((p)->flink)
#define dq_next(p) ((p)->flink)
#define dq_prev(p) ((p)->prev)
#define sq_empty(q) ((q)->head == NULL)
#define dq_empty(q) ((q)->head == NULL)
#define sq_peek(q) ((q)->head)
#define dq_peek(q) ((q)->head)
/************************************************************************
* Global Type Declarations
************************************************************************/