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It has been obsoleted by the previous commit. Now it's time to say goodbye. PR-URL: https://github.com/iojs/io.js/pull/667 Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>v1.8.0-commit
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/* Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
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* |
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* Permission to use, copy, modify, and/or distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* copyright notice and this permission notice appear in all copies. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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#ifndef SRC_QUEUE_H_ |
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#define SRC_QUEUE_H_ |
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typedef void *QUEUE[2]; |
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/* Private macros. */ |
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#define QUEUE_NEXT(q) (*(QUEUE **) &((*(q))[0])) |
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#define QUEUE_PREV(q) (*(QUEUE **) &((*(q))[1])) |
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#define QUEUE_PREV_NEXT(q) (QUEUE_NEXT(QUEUE_PREV(q))) |
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#define QUEUE_NEXT_PREV(q) (QUEUE_PREV(QUEUE_NEXT(q))) |
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/* Public macros. */ |
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#define QUEUE_DATA(ptr, type, field) \ |
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((type *) ((char *) (ptr) - ((char *) &((type *) 0)->field))) |
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#define QUEUE_FOREACH(q, h) \ |
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for ((q) = QUEUE_NEXT(h); (q) != (h); (q) = QUEUE_NEXT(q)) |
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#define QUEUE_EMPTY(q) \ |
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((const QUEUE *) (q) == (const QUEUE *) QUEUE_NEXT(q)) |
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#define QUEUE_HEAD(q) \ |
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(QUEUE_NEXT(q)) |
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#define QUEUE_INIT(q) \ |
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do { \ |
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QUEUE_NEXT(q) = (q); \ |
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QUEUE_PREV(q) = (q); \ |
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} \ |
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while (0) |
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#define QUEUE_ADD(h, n) \ |
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do { \ |
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QUEUE_PREV_NEXT(h) = QUEUE_NEXT(n); \ |
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QUEUE_NEXT_PREV(n) = QUEUE_PREV(h); \ |
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QUEUE_PREV(h) = QUEUE_PREV(n); \ |
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QUEUE_PREV_NEXT(h) = (h); \ |
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} \ |
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while (0) |
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#define QUEUE_SPLIT(h, q, n) \ |
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do { \ |
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QUEUE_PREV(n) = QUEUE_PREV(h); \ |
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QUEUE_PREV_NEXT(n) = (n); \ |
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QUEUE_NEXT(n) = (q); \ |
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QUEUE_PREV(h) = QUEUE_PREV(q); \ |
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QUEUE_PREV_NEXT(h) = (h); \ |
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QUEUE_PREV(q) = (n); \ |
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} \ |
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while (0) |
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#define QUEUE_INSERT_HEAD(h, q) \ |
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do { \ |
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QUEUE_NEXT(q) = QUEUE_NEXT(h); \ |
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QUEUE_PREV(q) = (h); \ |
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QUEUE_NEXT_PREV(q) = (q); \ |
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QUEUE_NEXT(h) = (q); \ |
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} \ |
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while (0) |
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#define QUEUE_INSERT_TAIL(h, q) \ |
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do { \ |
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QUEUE_NEXT(q) = (h); \ |
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QUEUE_PREV(q) = QUEUE_PREV(h); \ |
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QUEUE_PREV_NEXT(q) = (q); \ |
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QUEUE_PREV(h) = (q); \ |
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} \ |
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while (0) |
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#define QUEUE_REMOVE(q) \ |
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do { \ |
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QUEUE_PREV_NEXT(q) = QUEUE_NEXT(q); \ |
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QUEUE_NEXT_PREV(q) = QUEUE_PREV(q); \ |
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} \ |
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while (0) |
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#endif /* SRC_QUEUE_H_ */ |
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