Mercurial > libjeffpc > experimental
view tests/test_rwlock-wlock-held-nesting.c @ 945:d83ac58d2500
synch: add rwlock tests
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
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date | Sun, 11 Aug 2019 12:18:09 -0400 |
parents | tests/test_mutex-lock-held-nesting.c@c9aba8a5ab26 |
children |
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/* * Copyright (c) 2018-2019 Josef 'Jeff' Sipek <jeffpc@josefsipek.net> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <jeffpc/synch.h> #include "test.c" #define NLOCKS (JEFFPC_LOCK_STACK_DEPTH + 1) void test(void) { struct lock_class lc[NLOCKS]; struct rwlock lock[NLOCKS]; size_t i; for (i = 0; i < NLOCKS; i++) { char *name; /* initialize the lock class */ asprintf(&name, "class %zu", i); memset(&lc[i], 0, sizeof(struct lock_class)); lc[i].name = name; /* initialize the lock */ RWINIT(&lock[i], &lc[i]); } /* lock enough to fill up the stack */ for (i = 0; i < (NLOCKS - 1); i++) RWLOCK(&lock[i], true); /* lock another lock to overflow the stack */ RWLOCK(&lock[NLOCKS - 1], true); /* TODO: check lockdep state */ }