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a64a3b7988
It receives the malloc() result, and we do not want the malloc() call to be optimized out, which is allowed for hosted compiler. Use dummy for actual write though. Sponsored by: The FreeBSD Foundation MFC after: 1 week
74 lines
2.2 KiB
C
74 lines
2.2 KiB
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (C) 2019 Andrew Gierth
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* Though this file is initially distributed under the 2-clause BSD license,
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* the author grants permission for its redistribution under alternative
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* licenses as set forth at <https://rhodiumtoad.github.io/RELICENSE.txt>.
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* This paragraph and the RELICENSE.txt file are not part of the license and
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* may be omitted in redistributions.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include <pthread.h>
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void mod_main(int op);
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static pthread_t thr;
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static void *
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mod_thread(void *ptr __unused)
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{
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char *volatile dummy;
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dummy = malloc(500);
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*dummy = 'a';
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return (NULL);
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}
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void
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mod_main(int op)
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{
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int rc;
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switch (op) {
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case 1:
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rc = pthread_create(&thr, NULL, mod_thread, NULL);
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if (rc != 0)
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_exit(1);
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break;
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case 0:
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pthread_join(thr, NULL);
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break;
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}
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}
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