Mercurial > libjeffpc > experimental

annotate tests/test_rwlock-wlock-held-nesting.c @ 945:d83ac58d2500

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synch: add rwlock tests Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
author Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
date Sun, 11 Aug 2019 12:18:09 -0400
parents tests/test_mutex-lock-held-nesting.c@c9aba8a5ab26
children
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1 /*
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2 * Copyright (c) 2018-2019 Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
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3 *
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4 * Permission is hereby granted, free of charge, to any person obtaining a copy
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5 * of this software and associated documentation files (the "Software"), to deal
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6 * in the Software without restriction, including without limitation the rights
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7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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8 * copies of the Software, and to permit persons to whom the Software is
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9 * furnished to do so, subject to the following conditions:
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10 *
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11 * The above copyright notice and this permission notice shall be included in
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12 * all copies or substantial portions of the Software.
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13 *
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14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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20 * SOFTWARE.
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21 */
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22
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23 #include <jeffpc/synch.h>
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24
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25 #include "test.c"
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26
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27 #define NLOCKS (JEFFPC_LOCK_STACK_DEPTH + 1)
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28
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29 void test(void)
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30 {
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31 struct lock_class lc[NLOCKS];
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32 struct rwlock lock[NLOCKS];
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33 size_t i;
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34
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35 for (i = 0; i < NLOCKS; i++) {
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36 char *name;
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37
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38 /* initialize the lock class */
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39 asprintf(&name, "class %zu", i);
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40 memset(&lc[i], 0, sizeof(struct lock_class));
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41 lc[i].name = name;
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42
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43 /* initialize the lock */
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44 RWINIT(&lock[i], &lc[i]);
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45 }
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46
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47 /* lock enough to fill up the stack */
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48 for (i = 0; i < (NLOCKS - 1); i++)
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49 RWLOCK(&lock[i], true);
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50
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51 /* lock another lock to overflow the stack */
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52 RWLOCK(&lock[NLOCKS - 1], true);
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53
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54 /* TODO: check lockdep state */
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55 }